Indian RailwaysComplete Abbreviations
Comprehensive guide to Indian Railways terminology and abbreviations with detailed explanations and references.
A
46 Terms
AAWS
Advanced Approach Warning System
A system that warns drivers of an approaching train before they enter the track.
ACD
Anti Collision Device
A GPS-based collision avoidance system implemented earlier before KAVACH.
ACMS
Additional Chief Medical Superintendent
Will be added later
ACP
Alarm Chain Pulling
Will be added later
ACPCNF
Alarm Chain Pulled But Culprit Not Found
ADCR
Analog to Digital Converter Relay
ACRS
Additional Commissioner of Railway Safety
A senior authority assisting the Commissioner of Railway Safety in ensuring railway safety supervision.
ACS
Advance Correction Slips
ADGM
Additional Deputy General Manager
Will be added later
ADMO
Assistant Divisional Medical Officer
ADRM
Additional Divisional Railway Manager
The second highest administrative officer at divisional level who assists the DRM in managing operations.
ADT
Actual Departure Time
Will be added later
AEB
Automatic Emergency Braking
Will be added later
AEN
Assistant Engineer
Will be added later
AFM
Assistant Finance Manager
Will be added later
AFRES
Advanced Finance & Railway Earning & Expenditure System
Will be added later
AFTO
Automobile Frieght Train Operators
Will be added later
AGM
Additional General Manager
An officer assisting the General Manager at zonal level in administrative and operational matters.
AIEHC
All India Engine Hour Cost
Will be added later
AILTC
All India Leave Travel Concession
Will be added later
AIMS
Accounting Information Management System
Platform for maintaining and accessing financial/accounting data.
AIRF
All India Railwaymen’s Federation
A major trade union representing Indian Railway employees
AITT
All India Time Table
Will be added later
AITUC
All India Trade Union Congress
Will be added later
AM
Accident Manual
A manual containing detailed procedures to be followed in case of railway accidents.
AMA
Authorised Medical Attendant
Will be added later
AMC
Annual Maintenance Contract
Will be added later
AME
Assistant Mechanical Engineer
Will be added later
AOM
Assistant Operations Manager
Will be added later
APAR
Annual Performance Appraisal Report
Will be added later
APO
Assistant Personnel Officer
Will be added later
ARME
Accident Relief Medical Equipment
Medical equipment provided for accident relief operations to treat injured passengers
ARMV
Accident Relief Medical Van
A dedicated railway van equipped with medical staff and supplies used during accidents
ARPAN
Advanced Railway Pension Access Network
Will be added later
ARS
All Right Signal
A hand/flag or lamp signal given by station staff indicating that everything is safe and clear
ART
Accident Relief Train
A special train equipped for rescue and restoration work during railway accidents
ASAR
As Soon As Ready
Will be added later
ASD
Auto Sectioning Device
Automatic switching device that maintains power continuity in OHE without human intervention.
ASS
Automatic Stop Signal
Will be added later
AT
Auxiliary Transformers
Will be added later
ATLC
Assistant Traction Loco Controller
Will be added later
ATP
Automatic Train Protection
Kavach
ATR
Action Taken Reports
Station Superintendents must submit Action Taken Reports (ATR) on observations, after taking corrective actions such as counseling or written advice to concerned departments. ATRs should be sent to SrDOMs, with a copy to the inspecting official.
ATVM
Automatic Ticket Vending Machine
Self-service kiosk for issuing unreserved tickets using smart cards or cash
AWS
Auxillary Warning System
Will be added later
AYS
Assistant Yard Master
Will be added later
B
25 Terms
BAL
Brake Applied Loop
Will be added later
BAS
Biometric Attendance System
Will be added later
BCB
Bell Code Button
Will be added later
BCL
Braithwaite & Company Limited
Will be added later
BCM
Ballast Cleaning Machine
The track machine which screens plain & turnout track ballast by removing muck, thus improve drainage & elasticity of track for safe & comfortable running is known as Ballast Cleaning Machine.
BCU
Brake Control Unit
Will be added later
BEML
Bharat Earth Movers Limited
Will be added later
BIC
Bogie Isolation Cock
Will be added later
BIU
Brake Interface Unit
It is a part of Loco Kavach. It executes the brake commanded by Onboard Vital Computer automatically when Loco pilot is not controlling the speed in commensuration with permitted speed which is based on signalling information including permanent speed restrictions, gradient, braking characterstics of train.
BLW
Baldwin Locomotive Works
Will be added later
BLW
Banaras Locomotive Works
Will be added later
BMBS
Bogie Mounted Brake System
Will be added later
BOBR
Breach Of Block Rules
Will be added later
BOL
Block Over Lap
Will be added later
BPAC
Block Proving by Axle Counter
Will be added later
BPC
Brake Power Certificate
A certificate confirming the brake power adequacy of the train before departure
BPSU
Budget Spending Unit Level
Will be added later
BPT
Blank Paper Ticket
Will be added later
BRM
Ballast Regulating Machine
Will be added later
BSCL
Burn Standard Company Limited
Will be added later
BSDOT
Before Schedule Departure Of Time
Will be added later
BSLB
Block Section Limit Board
A board indicating the limit of the block section for operational reference
BUD
Basic User Data
Will be added later
BWEL
Bharat Wagon & Engineering Limited
To manufacture Wagons and undertake structural fabrication jobs.
BWM
Block Working Manual
A manual governing the procedures of block working in Indian Railways
C
117 Terms
CADAT
Computer Aided Drivers Aptitude Test
Will be added later
CAD
Computer Aided Design
Use of computer systems to assist in drawing and design.
CAL
Clear Available Length
The usable platform length available for receiving trains safely.
CAMTECH
Centre for Advanced Maintenance Technology.
Will be added later
CAO
Chief Accounts Officer
Will be added later
CAO
Chief Administrative Officer
Will be added later
CAO/C
Chief Administrative Officer/Construction
Will be added later
CASM
Cabin Assistant Station Master
Will be added later
CAT
Central Administrative Tribunal
Will be added later
CB
Caution Board
Will be added later
CBC
Central Buffer Coupler
Will be added later
CBS
Chief Booking Supervisor
Will be added later
CBTC
Communication Based Train control Technology
Will be added later
CBTC
Chief Ballast Train Controller
Will be added later
CC
Carrying Capacity
Will be added later
CCAA
Course Completed Act Apprentices
Will be added later
CCC
Chief Crew Controller
Will be added later
CCI
Container Corporation of India
Will be added later
CCL
Child Care Leave
Leave admissible for eligible employees for child care needs.
CCM
Chief Commercial Manager
Will be added later
CCMS
Centralised Coach Monitoring System
Will be added later
CCO
Chief Claims Officer
Will be added later
CCRS
Chief Commissioner of Railway Safety
The head of the Railway Safety Organization responsible for oversight of railway safety nationwide.
CCS
Central Civil Services
The Central Civil Services (Pension) Rules, 1972 (CCS Pension Rules) govern retirement benefits for central government employees under the Old Pension Scheme (OPS).
CDTS
Control Discharge Toilet System
Will be added later
CDU
Cab Display unit
Will be added later
CEE
Chief Electrical Engineer
Will be added later
CE
Couple Engine
Will be added later
CEA
Children Education Allowance
Will be added later
CELE
Chief Electrical Locomotive Engineer
Will be added later
CELE
Coupled Electric Light Engine
Will be added later
CEN
Centralized Employment Notification
Will be added later
CF
Capital Fund
Will be added later
CFS
Container Freight Station
Will be added later
CFTM
Chief Freight Transportation Manager
Will be added later
CGA
Compassionate Grounds Appointment
Will be added later
CGEGIS
Central Government Employee Group Insurance Scheme
Will be added later
CGHS
Central Government Health Scheme
Will be added later
CHC
Chief Controller
Will be added later
CHC
Central Hindi Committee
Will be added later
CI
Catution Indicator
Will be added later
CLAP
Comprehensive Logistics Action Plan
Will be added later
CLCT
Conditional Line Clear Ticket
Will be added later
CLI
Chief Loco Inspector
Will be added later
CLW
Chittaranjan Locomotive Works
Manufacturing unit producing electric locomotives
CMD
Chief Medical Director
Will be added later
CME
Chief Mechanical Engineer
Will be added later
CMI
Chief Mechanical Inspector
Will be added later
CMM
Coaching Maintenance Management
Will be added later
CMO
Cheif Medical Officer
Will be added later
CMPE
Chief Motive Power Engineer
Will be added later
CMRL
Chennai Metro Rail Limited
The metro rail authority responsible for Chennai metro operations.
CMS
Crew Management System
A computerized system for scheduling, monitoring and managing running crew
CMS
Chief Medical Superintendent
Will be added later
CNM
Chief Network Manager
Will be added later
CO
Caution Order
Will be added later
COA
Control Office Application
Will be added later
COATVM
Cash/Cum Coin And Smart Card Operated Ticket Vending Machine
Will be added later
COFMOW
Central Organization For Modernization Of Workshop
An organisation responsible for modernization of railway workshops
COIS
Coaching Operations Information System
An IT-based system used for monitoring and planning coaching train operations
COM
Chief Operations Manager
Zonal-level head responsible for operational management (often PCOM in re-designated posts)
COMS
Complaint Management System
Will be added later
CONCOR
Container Corporation of India Limited
To develop multi-modal logistics support for India’s international and domestic containerized cargo and trade.
COR
Control Order Register
Will be added later
CORE
Central Organization for Railway Electrification
Will be added later
COS
Controller of Stores
Will be added later
COTVM
Currency Operated Ticket Vending Machine
Will be added later
CPC
Central Pay Commission
Will be added later
CPDE
Chief Planning & Design Engineer
Will be added later
CPGO
Chief Public Grievance Officer
Will be added later
CPGRAMS
Centralized Public Grievance Redress And Monitoring System
Will be added later
CPM
Chief Project Manager
Will be added later
CPO
Chief Personnel Officer
Will be added later
CPR
Cardio Pulmonary Resuscitation
Will be added later
CPRC
Chief Power Controller
Will be added later
CPRO
Chief Public Relations Officer
Will be added later
CPT
Computerized Printed Ticket
Printed ticket generated through PRS/UTS systems.
CPTM
Chief Passenger Transportation Manager
An officer responsible for overall planning and management of passenger traffic operations
CRB
Chairman of Railway Board
The top authority and head of the Railway Board
CRC
Consignee Receipt Certificate
Will be added later
CRIS
Centre for Railway Information System
To provide consultancy and IT services to IR as partners to conceptualize and realize technology initiatives, to build new products or services and to implement prudent business and technology strategies.
CRN
Consignee Receipt Note
Will be added later
CRRM
Credit from Rail Release Material
Will be added later
CRS
Commissioner of Railway Safety
An authority responsible for inspecting and approving railway safety infrastructure and operations
CRSE
Chief Rolling Stock Engineer
Will be added later
CRT
Container Rail Terminal
Will be added later
CSBF
Central Staff Benefit Fund
Will be added later
CSC
Central Security Commissioner
Will be added later
CSL
Clear Standing Length
Will be added later
CSO
Chief Safety Officer
Will be added later
CSO
Central Standards Office
Will be added later
CSR
Clear Standing Room
Will be added later
CSR
Corporate Social Responsibility
Will be added later
CSTE
Chief Signal & Telecommunication Engineer
Will be added later
CTARA
Centralized Training Academy for Railway Accounts
Will be added later
CTC
Centralized Traffic Control
Will be added later
CTG
Composite Transfer Grant
Will be added later
CTI
Centralised Training Institutes
Will be added later
CTLC
Chief Traction Loco Controller
Will be added later
CTM
Chief Transportation Manager
Will be added later
CTNC
Chief Train Clerk
Will be added later
CTNL
Control Telephone
A telephone line used for communication between control centers and field staff
CTO
Container Train Operators
Will be added later
CTPC
Chief Traction Power Controller
Will be added later
CTPM
Chief Traffic Planning Manager
The officer responsible for planning and optimizing traffic movements
CTR
Combined Train Report
Will be added later
CTR
Complete Track Renewal
Will be added later
CTRB
Catridge Tapered Roller Bearings
Will be added later
CTSE
Cashless Treatment Sceme in Emergency
Will be added later
CUG
Closed User Group
Will be added later
CVM
Coupon Validating Machine
Machine used for validating ticket coupons.
CVO
Chief Vigilance Officer
Will be added later
C&W
Carriage & Wagons
Will be added later
CWC
Carriage & Wagon Controller
Will be added later
CWE
Chief Workshop Engineer
Will be added later
CWM
Chief Workshop Manager
Will be added later
CWR
Continuous Welded Rails
Will be added later
D
62 Terms
DA
Dearness Allowance
Allowance to offset inflation for government employees.
DAC
Digital Axle Counter
Will be added later
DAO
Divisional Accounts Officer
Will be added later
DAR
Discipline & Appeal Rules
Will be added later
DCF
Discounted Cash Flow
Financial method to value a project by discounting future cash flows.
DCM
Divisional Commercial Manager
Will be added later
DCO
Divisional Caution Order
Will be added later
DCOS
Divisional Controller Of Stores
Will be added later
DCP
Duty Card Pass
Will be added later
DCPT
Digital Capacity Planning Tool
Will be added later
DCRG
Death Cum Retirement Gratuity
Will be added later
DDC
Department Dealing Clerks
Will be added later
DDU
Driver Display Unit
Will be added later
DEC
Divisional Empowered Committee
Will be added later
DEE
Divisional Electrical Engineer
Will be added later
DEMU
Diesel Electrical Multiple Unit
Self-propelled passenger unit powered by diesel-electric transmission
DEN
Divisional Engineer
Will be added later
DF
Depreciation Fund
Will be added later
DF
Development Fund
Will be added later
DFC
Dedicated Freight Corridor
Will be added later
DFCCIL
Dedicated Freight Corridor Corporation of India Limited
To plan and construct Dedicated Rail Freight Corridors (DFCs) for movement of freight trains on the corridors.
DFM
Divisional Finance Manager
Will be added later
DGM
Deputy General Manager
Will be added later
DIU
Digital Indoor Unit
Will be added later
DLBI
Double Line Block Instrument
Will be added later
DLE
Diesel Light Engine
Will be added later
DLI
Deposit Linked Insurance
Will be added later
DME
Divisional Mechanical Engineer
Will be added later
DMI
Driver Machine Interface
It is a part of Loco Kavach. DMI is a display panel in the locomotive cab that provides real-time information about the track conditions, movement authority, signal aspects, and allows Loco Pilot to acknowledge warnings or initiate emergency actions through buttons.
DMM
Divisional Material Manager
Will be added later
DMO
Divisional Medical Officer
Will be added later
DMRC
Delhi Metro Rail Corporation
Will be added later
DMS
Divisional Medical Superintendent
Will be added later
DMT
Departmental Material Trains
A maintenance train used to carry materials for track repair and maintenance works
DMTR
Daily Material Transaction Report
Will be added later
DMU
Diesel Multiple Unit
Will be added later
DOLIC
Divisional Official Language Implementation Committee
Will be added later
DOM
Divisional Operating Manager
The officer responsible for planning and supervision of train operations in a railway division
DPC
Diesel Power Controller
Will be added later
DPC
Divisional Power Control
Will be added later
DPCS
Distributed Power Control System
Will be added later
DPIIT
Department for Promotion of Industry and Internal Trade
Will be added later
DPMF
Dual Phone Modulation Frequency
Will be added later
DPO
Divisional Personnel Officer
Will be added later
DPR
Detailed Project Report
Detailed Project Report is required to be prepared for all works costing above Rs.5 Crore. DPRs are sent to Railway Board by Zonal/PSUs for appraisal and obtaining sanction of the competent authority as per the prevailing delegation of powers.
DPWCS
Distributed Power Wireless control System
Will be added later
DRF
Depreciation Reserve Fund
Will be added later
DRM
Divisional Railway Manager
The administrative head of a railway division overseeing all functions including operations, safety, and finance
DRS
Deficiency Rolling Stock
Will be added later
DRS
Departmental Review System
Will be added later
DRUCC
Divisional Railway Users Consultative Committee
Will be added later
DS
Derailing Switch
Will be added later
DSC
Divisional Safety Commissoner
Will be added later
DSC
Digital Signature Certificate
Will be added later
DSO
Divisional Safety Officer
he officer supervising safety measures, practices, and compliance within the division
DSTE
Divisional Signal & Telecommunication Engineer
The divisional head of signalling and telecommunication systems responsible for their maintenance and reliability
DTI
Divisional Traffic Inspector
Will be added later
DTTC
Divisional Transportation Training Center
Will be added later
DV
Distribute Valves
A key component in the train brake system that regulates and distributes brake pressure.
DWB
Divisional Wagon Balance
Divisional Wagon Balance (DWB) is the total number of wagons held by the division, including the ineffective and departmental. It indicates the status of freight train operations in a division.
DTWL
Disabled Train Warning Light
Will be added later
DWI
Directorate of Wagon Interchange
Will be added later
E
42 Terms
EA
Extra Allowances
Will be added later
EACT
Electronic Allotment for Congested Terminals
Will be added later
EBCU
Electronic Brake Control Unit
Will be added later
EBD
Emergency Braking Distance
Will be added later
EBL
Emergency Brake Loop
Will be added later
EBR
Extra Budgetary Resources
Funds raised through borrowings instead of gross budgetary support
ECA
Employees Compensation Act
Will be added later
ECR
Expenditure Control Register
Will be added later
e-DAS
Electronic Drawing Approval System
Will be added later
EDD
Early Departure Detention
Will be added later
EECH
Extreme Emergency Crank Handle
Will be added later
EFT
Excess Fare Ticket
Ticket issued by TTE for passengers with irregular or insufficient tickets
EFT
Emergency Field Telephone
Will be added later
EI
Electronic Interlocking
Will be added later
EIMWB
Electronic In - Motion Weigh Bridge
Will be added later
EIRR
Economic Internal Rate of Return
Will be added later
EIW
Essential Indirect Workers
Support staff indirectly contributing to production/service delivery.
EKM
Engine Kilometer
Engine Kilometer (EKM) is the distance traveled by an engine in a day. It includes train kms hauled by the engine as well as distance travelled by the engine as 'light engine'.
EKT
Electronic Key Transmitter
Will be added later
EMC
Electric Multiple Coach
A self-propelled electric train set used primarily for suburban passenger services.
EMD
Employee Master Data
Will be added later
EMD
Electro Motive Diesel
Will be added later
EMD
Earnest Money Deposit
Will be added later
EMU
Electrical Multiple Units
A self-propelled passenger train unit powered by electricity, commonly used for suburban services
ENPV
Economic Net Present Value
Will be added later
EOA
End Of Authority
It is the location up to which the train is permitted to proceed and where the target speed is zero.
EOG
End On Generator
Will be added later
EOL
Engine On Load
Will be added later
EOL
Extra Ordinary Leave
Will be added later
EOQ
Economic Order Quantity
Will be added later
EOT
End Of Train
Will be added later
EOTT
End of Train Telemetry
It comprises of Head of train (HoT) device mounted in the locomotive and End of train (EoT) device mounted on the rear end of rearmost vehicle of the train along with other fittings and accessories complete as per this specifications.
EPB
Emergency Power Block
Will be added later
EPS
E-Procurement System
Will be added later
EPS
Employee Pension Scheme
Will be added later
ESP
Engineering Scale Plan
Will be added later
ES
Elementary Section
Will be added later
ESI
Engineering Stop Indicator
Will be added later
ESS
Employee Self Service & Internal Applications
Will be added later
ETKM
Equated Track Kilometers
Railway term to measure traffic density per track.
ETRR
Electronic Transmission of Railway Receipt
Will be added later
EWSS
E-Working Software Solution
Will be added later
F
23 Terms
FA&CAO
Financial Advisor & Chief Accounts Officer
Will be added later
FATO
Factors Affecting Train Operations
Will be added later
FCT
Fixed Cellular Telephone
Will be added later
FDR
Fixed Deposit Receipt
Will be added later
FEMA
Failure Mode & Effects Analysis
Will be added later
FIBA
Failure Indication and Brake Application
Will be added later
FIFO
First In First Out
Will be added later
FIRR
Financial Internal Rate of Return
Will be added later
FL
Flasher Light
Will be added later
FM
Fouling Mark
A mark indicating the safe point beyond which a vehicle must not stand to avoid fouling another track
FMVFT
Frequency Modulated Voice Frequency Telegraph
Will be added later
FNM
Fort-Nightly Meetings
Will be added later
FNR
Freight Name Record
Will be added later
FOB
Foot Over Bridge
Will be added later
FOIS
Freight Operations & Information System
A computerized system used for monitoring and managing freight train movements and logistics
FP
Feeding Post
It is a supply control post, where the incoming feeder link from grid substation are terminated.
FRED
Flashing Rear End Device
Will be added later
FSD
Fag Safe Device
Will be added later
FSP
Fog Signal Post
A post used to place detonators or fog signals to provide audible warnings in low visibility conditions.
FSS
First Stop Signal
Will be added later
FTCB
Fixed Time Corridor Block
Will be added later
FTR
Full Tariff Rates
Will be added later
FWP
Final Works Program
Will be added later
G
30 Terms
GAAP
Generally Accepted Accounting Principles
Will be added later
GAGAN
GPS aided GEO augmented Navigation
Will be added later
GCT
Gati Shakti Multi-Modal Cargo Terminal
Will be added later
GDC
Grievance Dealing Clerk
Will be added later
GDCE
General Departmental Competitive Exam
Will be added later
GDR
Guard Driver Check Report
Will be added later
GeM
Government e - Market
Will be added later
GFR
General Financial Rules
Will be added later
GIO
Grievance In-Charge Officer
Will be added later
GIPR
Great Indian Penisular Railway
Will be added later
GIS
Group Incentive Scheme
Will be added later
GM
General Manager
Administrative head of a Zonal Railway
GNSS
Global Navigation Satellite System
Will be added later
GOB
General Order Book
Will be added later
GPF
General Provident Fund
Will be added later
GPRS
General Packet Radio Service
Will be added later
GPS
Global Positioning System
A satellite-based navigation system providing location and time information globally
G&SR
General & Subsidiary Rules
The core rule book governing train operation and safety across Indian Railways.
GRP
Government Railway Police
Will be added later
GRRC
General Rules Review Committee
Will be added later
GS
Ordinary Second Class
Will be added later
GSCN
Generation Second Class Three Tier AC
Will be added later
GSD
General Stores Department
Will be added later
GSM
Global System for Mobile Communication
A wireless communication system used for mobile phone services
GST
Goods and Services Tax
Will be added later
GTA
Goods Transporation Agency
Will be added later
GTKM
Gross Tonne Kilo Meter
Total train weight (including vehicles) multiplied by distance (km) run
GWB
Goods Warning Board
Will be added later
GWI
Grievance Welfare Inspector
Will be added later
GWR
Gate Working Rules
Will be added later
H
12 Terms
HCW
High Capacity Wagons
Will be added later
HKT
Happer Key Transmitter
Will be added later
HMIS
Hospital Management Information System
Will be added later
HOER
Hours of Employment Regulations
Rules regulating duty hours and rest periods for railway running and safety staff.
HOG
Head On Generation
Power supply system where the locomotive supplies electrical power to the entire train, eliminating the need for generator cars
HOR
High Official Requisition
Will be added later
HOR
Hours on Road
Will be added later
HRA
House Rent Allowance
Allowance to meet rental housing expenses.
HRMS
Human Resource Management System
Digital HR platform for employee records and services
HSN
Harmonised System of Nomenclature
Will be added later
HSRC
High Speed Rail Corporation of India
For development and implementation of high speed rail projects.
HVML
High Visibility Marker Light
The marker light portion of the EoT device, flashing light to mark the End of Train (EoT).
I
70 Terms
IBH
Intermediate Block Hut
A block station without staff, used for dividing block sections to increase line capacity
IBP
Intermediate Block Post
A staffed block post provided in a long block section to enhance capacity and reduce delays
IBS
Intermediate Block Signalling
Provision of an intermediate signal in a long block section to increase line capacity
IBSS
Intermediate Block Stop Signal
Will be added later
ICD
Inland Container Deports
Will be added later
ICF
IIntegrated Coach Factory
Chennai-based factory manufacturing passenger coaches for Indian Railways
ICMS
Integrated Coaching Management Systems
Will be added later
ICRTS
Integrated Computerized Reservation & Ticketing System
Will be added later
IDRT
Inter Divisional Request Transfer
Will be added later
IDS
Integration of Digital System
Will be added later
IDS
Inner Distant Signal
Will be added later
IFM
Intermediate Frequency Module
Will be added later
IFMS
Integrated Financial Management System
Will be added later
IMMIS
Integrated Material Management Information System
Will be added later
IMR
Immediate Rail Renewal
Will be added later
INRWF
Indian National Railway Workers’ Federation
Will be added later
INTUC
Indian National Trade Union Congress
Will be added later
IOH
Intermediate Over Hauling
Maintenance carried out on rolling stock between scheduled periodic overhauls
IOL
Intra Ocular Lens
Will be added later
IOP
Inoperatvie Piston
Will be added later
IOW
Inspector of Works
Will be added later
IPAS
Integrated Payroll and Accounting System
Digital system for payroll and accounting functions in Railways
IPMD
Infrastructure Projects Monitoring Device
Will be added later
IPWE
Institution of Permanent Way Engineers
Will be added later
IRAS
Indian Railway Accounts Service
Will be added later
IRATP
Indian Railway Automatic Train Protection System
Kavach
IRCA
Indian Railway Conference Association
Will be added later
IRCON
Indian Railway Construction Corporation
To undertake construction activities in India and abroad on turnkey basis or otherwise in various fields of infrastructure like Railways, Bridges, Roads, Highways, Industrial and Residential Complexes, Airports, etc.
IRCTC
Indian Railway Categoring & Tourism Corporation Limited
To undertake catering and tourism activities of the Railways. Also facilitates internet ticketing through its website.
IREC
Indian Railway Establishment Code
Will be added later
IREM
Indian Railway Establishment Manual
Will be added later
IREPS
Indian Railway Electronic Procurement System
Will be added later
IRFC
Indian Railway Finance corporation
To raise funds from the market to part finance the Plan Outlay of IR.
IRCEN
Indian Railways Institute of Civil Engineering
Will be added later
IRHS
Indian Railway Health Services
Will be added later
IRPFS
Indian Railways Protection Force Services
Will be added later
IRICEN
Indian Railways Institute of Civil Engineering
The Indian Railways Institute of Civil Engineering (IRICEN), located in Pune, Maharashtra, is a premier Centralised Training Institute (CTI) dedicated to the professional development of the Indian Railway Service of Engineers (IRSE) cadre.
IRIEEN
Indian Railways Institute of Electrical Engineering
Will be added later
IRIFM
Indian Railways Institute of Financial Management
Will be added later
IRILMM
Indian Railways Institute of Logistics & Materials Management
Will be added later
IRIMEE
Indian Railways Institute of Mechanical and Electrical Engineering
Railway mechanical and electrical specialization institute
IRISET
Indian Railways Institute of Signal Engineering and Telecommunications
Trains staff in railway signaling and telecom
IRITM
Indian Railways Institute of Transport Management
Railway operations training institute
IRLDA
Indian Railways Land Development Authority
Will be added later
IRMM
Indian Railway Medical Manual
Will be added later
IRMS
Indian Railway Medical Service
Will be added later
IRMS
Indian Railway Management Service
Will be added later
IRPS
Indian Railway Personnel Service
Will be added later
IRPSM
Indian Railway Projects & Sanctioning Management
Will be added later
IRPWM
Indian Railways Permanent Way Manual
Will be added later
IRRT
Inter Railway Request Transfer
Will be added later
IRSDC
Indian Railway Station Development Corporation
Will be added later
IRSE
Indian Railway Service of Engineers
Will be added later
IRSEE
Indian Railway Service of Electrical Engineers
Will be added later
IRSEM
Indian Railways Signal Engineering Manual
Will be added later
IRSME
Indian Railway Service of Mechanical Engineers
Will be added later
IRSS
Indian Railway Stores Service
Will be added later
IRSSE
Indian Railway Service of Signal Engineers
Will be added later
IRST
Inter Section Running Time
Will be added later
IRTMM
Indian Railway Track Machine Manual
To provide track maintenance and repair services to the Indian Railways.
IRTRD
Implementation of Regulatory in Traction Distribution
Will be added later
IRTS
Indian Railway Traffic Service
Will be added later
IRTTCC
Inter Railway Time Table Co-ordination Committee
The Inter Railway Time Table Co-ordination Committee (IRTTCC) is the apex national body that finalises all Time Table related decisions across Indian Railways. It is the only forum where all Zonal Railways sit together under the Railway Board’s Directorate(Coaching) to harmonize train timings across zones.
IRWCMS
Indian Railways Works Contract Management System
Will be added later
IRWO
Indian Railway Welfare Organization
Will be added later
ISDN
Integrated Service Digital Network
A telecommunication network that provides digital transmission of voice, data, and video services over a single, high-speed channel. It combines the features of both ISDN and PSTN, offering faster transmission speeds and improved reliability compared to traditional analog telephone lines.
ISMD
Infringing Standard Moving Dimensions
Will be added later
ISRT
Inter Station Running Time
Will be added later
ITC
Input Tax Credit
Will be added later
IVRS
Interactive voice response system
Will be added later
J
5 Terms
JAG
Junior Administrative Grade
Will be added later
JCM
Joint Consultative Machinery
Will be added later
JPO
Joint Procedure Order
A jointly issued order defining coordinated working procedures between two or more departments
JRRPFA
Jagjivan Ram Railway Protection Force Academy
The Jagjivan Ram Railway Protection Force Academy (JRRPFA), located in Lucknow, is the premier Centralised Training Institute (CTI) for the Indian Railway Protection Force Service (IRPFS). Recently recognized as an "Ati Utkrisht" (Excellent) accredited institution, it ranks among India's top six apex training facilities.
JTBS
Jansadharan Ticket Booking Sewak
Outlets authorized to issue unreserved journey tickets to the public
K
3 Terms
KMS
Key Management Systme
Ensures secure exchange of Movement Authorities between Stationary Kavach and Onboard Kavach system.
KMRCL
Kolkata Metro Rail Corporation Limited
To construct and operate metro rail systems in Kolkata.
KRCL
Konkan Railway Corporation Limited
To construct and operate railway lines, construct Road Over Bridges and rail line projects.
L
41 Terms
LAP
Leave on Average Pay
Will be added later
LAN
Local Area Network
A network that connects devices within a limited geographical area, such as a building or campus, using cables or wireless technology.
LAR
Latest Accepted Rates
Will be added later
LAW
List of Approved Works
Will be added later
LDCE
Limited Departmental Competitive Exam
Will be added later
LEO
Labour Enforcement Officer
Will be added later
LGS
Second Class Coach (LHB)
Will be added later
LGSLR
Second Class Cum Luggage and Brake Van (LHB)
Will be added later
LHAP
Leave on Half Average Pay
Will be added later
LHB
Linke Holfmann Busch
High-speed modern passenger coaches designed for improved safety, ride quality, and reduced derailment risk
LI
Loco Inspector
Will be added later
LILA
Learn Indian Languages through Artificial Intelligence
Will be added later
LIMBS
Legal Information Management & Briefing System
Will be added later
LND
Leave Not Due
Will be added later
LPOCIP
Loco Pilot's Operation Cum Indication Panel
Will be added later
LPR
Leave Preparatory to Retirement
A railway servant not desirous of encashment of leave on average pay at his credit at the time of retirement on superannuation may be permitted by a competent authority to take leave preparatory to retirement to the extent of leave on average pay due not exceeding 300 days together with half pay leave due subject to the conditions that such leave extends upto and includes the day preceding the date of retirement.
LRZAC
EOG AC Track Recording Car LHB Variant Coach
Will be added later
LRDAC
Track Recording Staff Car LHB Variant Coach
Will be added later
LSFTO
Liberalized Special Freight Train Operators
Will be added later
LSS
Last Stop Signal
Will be added later
LTB
Load Test Bench
Used for testing performance of locomotives/traction motors under controlled load conditions.
LTC
Last Train Certificate
Will be added later
LTC
Leave Travel Concession
Will be added later
LTE
Long Term Evolution
Kavach
LTM
Late Train Movement
Every Coaching train Guard after completion of his journey is required to submit a report called LTM report.
LTTC
Long Term Traffic Contract
Will be added later
LSWP
Lumpsum Works Program
Will be added later
LVCD
Last Vehicle Check Device
Will be added later
LVI
Last Vehicle Indicator
Will be added later
LWCZ
Non AC IInd Chair car
Will be added later
LWACCN
AC 3 Tier Sleeper Coach (LHB)
Will be added later
LWACCW
AC 2 Tier Sleeper Coach (LHB)
Will be added later
LFCBAC
AC Hot Buffer Car (LHB)
Will be added later
LWCB
Non-AC Hot Buffer Car (LHB)
Will be added later
LWLRRM
Brake Luggage Cum Generator Car (LHB)
Will be added later
LWFCZAC
AC Executive Chair Car (LHB)
Will be added later
LWOGCARAC
EOG AC Data Acquisition and Analysis Car
Will be added later
LWSCN
Non-AC 3 Tier Sleeper Coach (LHB)
Will be added later
LWLH
Leight Weight Low Height
Will be added later
LWIS
Liberalized Wagon Investment Scheme
Will be added later
LWR
Long Welded Rails
A rail that is continuously welded for long lengths to reduce joints and improve ride quality
M
37 Terms
MA
Movement Authority
Movement Authority' It is the distance up to which the train is permitted to travel safety
MACPS
Modified Assured Career Progression Scheme
Financial upgradation scheme when promotions are delayed.
MACL
Multiple Aspect Color Light
A colour light signalling system providing multiple aspects for improved signaling flexibility
MASA
Multiple Aspect Signalling Arrangement
Will be added later
MAUQ
Multiple Aspect Upper Quadrant
A type of semaphore signalling where the arm moves upward to indicate clear aspects.
MCDO
Monthly Confidential Demi Official
Will be added later
MDZTI
Multi Disciplinary Zonal Training Institute
Will be added later
ME
Member Electrical
Will be added later
MELE
Multiple Electric Light Engine
Will be added later
MEMU
Mainline Electrical Multiple Unit
An EMU designed for semi-urban and intercity passenger services on electrified routes
MGGFR
Minimum Guaranteed Gross Freight Revenue
Will be added later
MGR
Many Go Round
Will be added later
MIS
Management Information System
Will be added later
MLO
Multiple Loco Operations
Will be added later
MM
Member Mechanical
Will be added later
MMD
Maximum Moving Dimensions
Will be added later
MMTS
Multi Model Transport System
Will be added later
MOBD
Member Operations & Business Development
Will be added later
MOMA
Manually Operated Multiple Aspect
Will be added later
MOR
Ministry of Railways
Will be added later
MOSR
Minister of State for Railways
Will be added later
MPC
Multiport Port Control
Will be added later
MPLADS
Member of Parliament Local Area Development Scheme
Will be added later
MPS
Maximum Permissible Speed
Will be added later
MRSP
Most Restrictive Speed Profile
Will be added later
MRT
Medical Relief Train
A train equipped with doctors, staff, and medical supplies for accident relief work
MRTS
Mass Rapid Transport System
A high-capacity public transport system typically used in urban metropolitan cities
MRV
Medical Relief Van
Will be added later
MRVC
Mumbai Railway Vikas Corporation Limited
To plan & implement rail projects in the Mumbai Metropolitan Region.
MSASS
Modified Semi Automatic Stop Signal
Will be added later
MSoP
Model Schedule of Powers
Will be added later
MSS
Manual Stop Signal
Will be added later
MSD
Minimum sighting Distance
Will be added later
MSDAC
Multi Section Digital Axle Counter
Will be added later
MTRC
Mobile Train Radio Communication
Will be added later
MTI
Material Train Inspector
Will be added later
MTRS
Member Traction Rolling Stock
Will be added later
N
24 Terms
NAIR
National Academy of Indian Railway
Will be added later
NCDRC
National Consumer Dispute Redressal Commission
Will be added later
NCRTC
National Capital Region Transport Corporation
Will be added later
NDMA
National Disaster Management Authority
Will be added later
NDRF
National Disaster Response Force
Will be added later
NFIR
National Federation of Indian Railwaymen
Will be added later
NHSRCL
National High Speed Rail Corporation of India Limited
Will be added later
NIP
Notice of Imposition Penalty
Will be added later
NIT
Notice Inviting Tender
Will be added later
NLP
National Logistics Policy
Will be added later
NMG
Newly Modified Goods
Will be added later
NMS
Network Monitoring System
Logs train movements, inputs, and fault messages. It automatically alerts the fault teams to address issues.
NP
Non-Pooled
Wagons not contributed to the general pool of wagons are marked as Non-Pooled Wagons ('NP'). These are usually some special-purpose high-capacity wagons earmarked for specific operations on particular routes.
NPA
Non-Practicing Allowance
Will be added later
NPG
Network Planning Group
Will be added later
NPS
National Pension System
Will be added later
NPV
Net Present Value
Present value of future cash inflows minus the initial investment.
NRP
National Rail Plan
Will be added later
NRT
Normal Running Time
Will be added later
NRTI
National Rail and Transportation Institute
The National Rail and Transportation Institute (NRTI), established in 2018 in Vadodara, Gujarat, was India's first university dedicated to transportation and logistics. As of December 2022, the institute was upgraded and renamed Gati Shakti Vishwavidyalaya (GSV), transitioning from a 'deemed to be' university to a full-fledged Central University.
NRUCC
National Railway Users Consultative Committee
Will be added later
NTES
National Train Enquiry System
The official platform for real-time train running information and passenger updates
NTKM
Net Tonne Kilo Meter
Freight load (tonnes) multiplied by distance (km) actually carried
NTPC
Non-Technical Popular Category
Freight load (tonnes) multiplied by distance (km) actually carried
O
21 Terms
OBC
Over Bulky Consignment
Will be added later
OCC
Operational Control Center
Will be added later
OCMS
Online Computerized Monitoring System
Will be added later
OCR
Optical Character Recognition
Will be added later
OCS
Officer-in-Charge Site
Will be added later
OCV
Other Coaching Vehicle
These vehicles do not have a passenger carrying portion but are planned to be attached to coaching trains for providing other facilities. Saloons, inspection cars, medical cars, tourist cars, parcels & horse van, composite luggage Power Cars, Pantry Cars & brake van are some of the OCVs.
ODC
Over Dimensional Consignment
Consignments, which when loaded upon a wagon, would infringe the maximum standard moving dimension, at any point, on the entire route, from the booking station to the destination, including via break of gauge is called an Over Dimensional Consignment (ODC).
ODR
Oldest Date of Registration
Will be added later
ODU
Out Door Unit
Will be added later
OEM
Other End Maintenance
Will be added later
OFC
Optical Fibre Cable
Will be added later
OHE
Over Head Equipment
Electrical equipment installed above railway tracks to supply power to electric locomotives
OLIC
Official Language Implementation Committee
Will be added later
OM
Operating Manual
Will be added later
OMRS
On Board Monitoring of Rolling Stock
Will be added later
ONDC
Open Network for Digital Commerce
Will be added later
OPS
Old Pension Scheme
Will be added later
OOT
Out Of Turn
Will be added later
OTL
One Time Lock
Will be added later
OTOS
One Train Only System
Will be added later
OYWS
Own Your Wagon Scheme
Will be added later
P
88 Terms
PAC
Passenger Amenities Committee
Will be added later
PAC
Proprietary Article Certificate
Will be added later
PAD
Post Arrival Detention
Will be added later
PAM
Punctuality Analysis & Monitoring
Will be added later
PAS
Public Announcement System
Will be added later
PCC
Permissible Carrying Capacity
Will be added later
PCCM
Principal Chief Commercial Manager
Will be added later
PCDO
Periodical Confidential Demi Official
Will be added later
PCDR
Personal Cash Declaration Register
Will be added later
PCEE
Principal Chief Electrical Engineer
Will be added later
PCE
Principal Chief Engineer
Will be added later
PCEV
Percentage Charge on Excessive Value
Will be added later
PCMD
Principal Chief Medical Director
Will be added later
PCME
Principal Chief Mechanical Engineer
Will be added later
PCMM
Principal Chief Materials Manager
Will be added later
PCOL
Parliamentary Committee on Official Language
Will be added later
PCOM
Principal Chief Operations Manager
The head of operations at zonal level responsible for overall train movement planning and control
PCO
Private Container Operator
Will be added later
PCOR
Power Controller
Will be added later
PCPO
Principal Chief Personnel Officer
Will be added later
PCSC
Principal Chief Security Commissioner
Will be added later
PCSO
Principal Chief Safety Officer
The zonal head responsible for safety monitoring and compliance
PFRDA
Pension Fund Regulatory and Development Authority
Will be added later
PCS
Prestressed Concrete Sleepers
Will be added later
PCSTE
Principal Chief Signal and Telecommunication Engineer
Will be added later
PCVO
Principal Chief Vigilance Officer
Will be added later
PDD
Pre Departure Detention
Will be added later
PDT
Pre Departure Time
Will be added later
PEASD
Passenger Emergency Alarm Signal Device
Will be added later
PED
Principal Executive Director
Will be added later
PES
Power Earth Station
Will be added later
PETS
Premilinary Engineering cum Traffic Survey
Will be added later
PFA
Principal Financial Advisor
Will be added later
PFT
Private Freight Terminals
Will be added later
PFT
Portable Field Telephone
Will be added later
PFM
Public Financial Management
Will be added later
PG
Performance Guarantee
Related to Tenders
PGC
Passenger Gaurd Course
Will be added later
PGRM
Public Grievance Redressal Machinery
Will be added later
PGS
Pilot Guard System
Will be added later
PHC
Primary Health Center
Will be added later
PHS
Proceed Hand Signal
Will be added later
PHOD
Principal Head of Department
Will be added later
PI
Panel Interlocking
It is modern signalling system provided at station where points and signals are operated from centrally located panels by mean of push buttons or knobs
PIA
Project Influence Area
Will be added later
PIA
Pass Issuing Authority
Will be added later
PIO
Public Information Officer
Will be added later
PKM
Passenger Kilometers
Will be added later
PLB
Productivity Linked Bonus
Will be added later
PLCT
Paper Line Clear Ticket
Will be added later
PLPM
Pay Level in Pay Matrix
Will be added later
PME
Periodic Medical Examination
Will be added later
PME
Periodical Monitoring Examination
Will be added later
PMS
Passenger Management System
Will be added later
PNM
Permanent Negotiating Machinery
System for structured dialogue between staff unions and administration
PNR
Passenger Name record
Travel booking reference used in passenger reservation systems. It is a unique alphanumeric code (10 characters) assigned to each passenger reservation, used for tracking, managing, and canceling bookings.
POET
Passenger Operated Enquiry Terminal
Will be added later
POH
Periodical Over Hauling
Will be added later
POL
Petroleum Oil Lubricants
Major scheduled maintenance of rolling stock at specified intervals
POL
Power On Line
POMKA
Portable Medical Kit for Accidents
Will be added later
POS
Point of Sale
Will be added later
PPAN
Permanent Pension Account Number
The PPAN (Permanent Pension Account Number) for NPS subscribers, typically used for government employees, consists of 16 digits. This number is allotted by the concerned Pay and Accounts Office (PAO) or DDO, with the first four digits often indicating the calendar year of joining government service.
PPO
Pension Payment Order
A Pension Payment Order (PPO) number consists of 2 digits. This unique number acts as a permanent identifier for all pension-related transactions and communications under the Employee Pension Scheme (EPS).
PQ
Promotional Quota
Will be added later
PQRS
Plasser Quick Relaying System
The track machine which is a semi mechanized system of track renewal wherein pre fabricated rail panels are laid and existing panels removed with minimum labour is known as Plasser Quick Relaying System.
PR
Periodical Rest
Will be added later
PRAN
Permanent Retirement Account Number
The PRAN (Permanent Retirement Account Number) for NPS subscribers, typically used for government employees, consists of 12 digits. This unique, permanent number is assigned to each subscriber upon registration and remains valid throughout their lifetime, regardless of changes in employment or location, acting as the primary identifier for all account transactions.
PRCP
Post Retirement Complimentary Passes
Will be added later
PREM
Participation of Railway Employees in Management
Will be added later
PRO
Public Relations Officer
Will be added later
PRS
Passenger Reservation System
System used for railway seat/berth booking
PSC
Pre Stressed Concrete Sleepers
Will be added later
PSR
Permanent Speed Restrictions
Will be added later
PSSA
Project Supervisors Services Agencies
Will be added later
PTO
Preferential Traffic Order
No undue preference should be given to any individual or commodity in allotment of wagons (Section 70 of the Indian Railways Act 1989).
PTO
Previlege Ticket Order
Will be added later
PTS
Preferential Time Schedule
Will be added later
PTT
Public Time Table
Will be added later
PTVM
Platform Ticket Vending Machine
Will be added later
PVC
Price Variation Cause
Will be added later
PVIS
Photographic Vehicle Identification System
Will be added later
PWB
Parcel Way Bills
Will be added later
PWB
Passenger Warning Board
Will be added later
PwBD
Persons with Benchmark Disabilities
Will be added later
PWD
Public Works Department
Government body responsible for infrastructure works.
PWI
Permanent Way Inspector
The supervisor responsible for maintenance and safety of railway track and structures
PWP
Preliminary Works Program
Will be added later
Q
2 Terms
QCBS
Quality and Cost Based Selection
Will be added later
QRT
Quick Response Team
Will be added later
R
66 Terms
RA
Inspection Carriage (Administration)
Will be added later
RAC
Reservation Against Cancellation
Railway ticket status ensuring travel but conditional berth
RAR
Railway Accounting Rules
Rules that govern accounting procedures on Indian Railways.
RARV
Road Accident Restoration Vehicles
Will be added later
RAS
Rake Allocation System
Will be added later
RB
Inspection Carriage (Divisional Officers)
Will be added later
RBPC
Round Trip Brake Power Certificate
Will be added later
RCC
Railway Convention Committee
Will be added later
RCF
Rail Coach Factory
Kapurthala-based factory producing modern passenger coaches.
RBS
Rates Branch System
Will be added later
RBE
Railway Board Establishment
Will be added later
RCIL
RailTel Corporation of India Limited
To utilize the surplus telecom capacity and right of way available with the IR to build nationwide optical fibre cable based broadband telecom and multimedia network
RCM
Reverse Charge Mechanism
Will be added later
RCP
Residental Card Pass
Will be added later
RCT
Railway Claims Tribunal
Will be added later
RDM
Rescue Drive Mode
Will be added later
RDS
Rolling Deposit Scheme
Will be added later
RDSO
Research Designs & Standards Organisation
The R&D wing of Indian Railways responsible for developing and standardizing designs and systems.
RDW
Rail Dolly Works
Will be added later
REMMLOT
Remote Monitoring and Management of Locomotives and Trains
Will be added later
RESS
Railway Employee Self Service
Will be added later
RELHS
Retired Employees Liberalized Health Scheme
Will be added later
RETS
Reconnaissance Engineering cum Traffic Survey
Will be added later
RFID
Radio Frequency Identification
Will be added later
RFMS
Referential File Management System
Will be added later
RH
Railway Hospital Van
Will be added later
RIDE
Rail Infrastructure Development Corporation
Will be added later
RITES
Rail India Technical and Economic Services Limited
To design, establish, provide, operate, maintain and perform engineering, technical and consultancy services for development of projects/systems of all types and descriptions pertaining to Railways and other Sectors/Industries in India and outside India.
RIU
Remote Interface Unit
Kavach
RKMS
Route Kilometers
Will be added later
RLDA
Railway Land Development Authority
To develop vacant railway land for commercial use for the purpose of generating revenue by non-tariff measures for IR.
RLC
Regional Labour Commissioner
Will be added later
RLT
Railway Labour Tribunal
Will be added later
RM
Railway Motor Van
Will be added later
RMC
Railway Material Consignment
Will be added later
RMP
Registered Medical Practitioner
Will be added later
RMS
Rake Management System
Will be added later
ROB
Road Over Bridge
A bridge allowing a road to pass over railway tracks, removing level crossing conflicts.
ROH
Routine Over Hauling
Scheduled maintenance of rolling stock done periodically to ensure reliability
RORO
Roll On Roll Off
Will be added later
ROSHAN
Rolling Stock Health Analyst
Will be added later
RPF
Railway Protection Force
Security organization protecting railway passengers and property
RPSF
Railway Protection Special Force
Will be added later
RR
Railway Reciept
Will be added later
RRB
Railway Recruitment Board
Will be added later
RRC
Railway Recruitment Cell
Will be added later
RRCB
Railway Recruitment Control Board
Will be added later
RRI
Route Relay Interlocking
A relay-based interlocking system enabling safe control of signals and points
RRSK
Rashtriya Rail Sanraksha Kosh
Dedicated fund for safety-related works on Indian Railways
RRT
Railway Rates Tribunal
Will be added later
RRTS
Regional Rapid Transit System
Will be added later
RSC
Rolling Stock Controller
Will be added later
RSC
Railway Staff College
Will be added later
RSF
Railway Safety Fund
Will be added later
RSHC
RPF Security Helpline
Will be added later
RSP
Rolling Stock Programme
Will be added later
RSPB
Railway Safety Promotion Board
Will be added later
RSIS
Rolling Stock Inspection System
Will be added later
RSMS
RPF Security Management System
Will be added later
RSS
Reception Stop Signal
Will be added later
RTIS
Realtime Train Information System
Will be added later
RTRC
Railway Testing & Research Centre
Will be added later
RTT
Round Trip Tariff
Will be added later
RUB
Rail Under Bridge
A bridge allowing railway tracks to pass underneath a road
RVNL
Rail Vikas Nigam Limited
To create and augment the capacity of rail infrastructure. To mobilize resources mainly through multilateral/bilateral funding agencies and also through domestic market for successful implementation of projects.
RZ
Track Recorder Car
Will be added later
S
84 Terms
SAG
Senior Administrative Grade
Will be added later
SAMPRATI
Status Alerts in Monitoring Projects Related Actions & Targets Importance
Will be added later
SASS
Semi Automatic Stop Signal
Will be added later
SATSANG
Software Aided Train Scheduling And Network Governance
Will be added later
SB
Stop Board
Will be added later
SBAS
Satellite-Based Augmentation System
Will be added later
SBCM
Shoulder Blast Clearing Machine
Will be added later
SBU
Signal & Brake Unit
Will be added later
SBU
Sense & Brake Unit
It is part of EoT.It is capable of determine status of Brake pipe pressure
SCADA
Supervisory Control And Data Acquisition
Real-time electrical traction power monitoring and remote control system for OHE supply.
SCO
Sectional Caution Order
Will be added later
SCOR
Senior Control Office Representative
Will be added later
SCRA
Special Class Railway Apprentices
Will be added later
SCRES
South Central Railway Employees Sangh
Will be added later
SCRMU
South Central Railway Mazdoor Union
Will be added later
SDGM
Senior Deputy General Manager
Will be added later
SDIR
Stop Dead If Required
Will be added later
SEJ
Switch Expansion Joint
A track joint that allows rails to expand and contract during temperature variation.
SFOORTI
Smart Freight Operation Optimisation and Real Time Information
Will be added later
SFTO
Special Freight Train Operator
Will be added later
SG
Self Generated
Will be added later
SGF
Sovereign Green Fund
Will be added later
SGSLRD
Self Generated
Second class, Luggage & Brake van with disabled compartment
SHINE
Sexual Harassment Incident Notification for Empowerment of Female Employees
Indian Railways launched the SHINE app for women employees safety and security. Allows confidential reporting of workplace harassment via the HRMS app.
SI
Special Instructions
Will be added later
SI
Speed Indicator
Will be added later
SIL
Safety Integrity Level
Kavach
SIMRAN
Satellite Imaging for Rail Navigation
Will be added later
SIMS
Safety Information Management System.
Will be added later
SIP
Signal Interlocking Plan
Will be added later
SLB
Shunting Limit Board
A board indicating the maximum limit up to which shunting movements are allowed
SLI
Senior Loco Inspector
Will be added later
SLO
Specific Loading Order
Will be added later
SLR
Second Class Luggage & Brake Van
Will be added later
SLRD
Second Class Luggage, Brake Van & Disabled
Will be added later
SM
Station Master
Will be added later
SMD
Standard Moving Dimensions
Will be added later
SMART
Specially Modified Asthetic Refreshing Travel
Will be added later
SMARTS
Singular Modular Advance Railway Ticketing System
Will be added later
SMOCIP
Station Master Operation Cum Identification Panel
SMOCIP is a part of Station Kavach. It is a display unit provided to the Station Master. It is placed in SM Office. It is operated by Station Master as and when necessary, like manual SOS generation etc.
SNR
Signanl Normal Relay
In the Podanur push button block instrument, the indicator which is an aid to the Station Master to verify if all relevant controls, levers/knobs, signals etc., are normal is called SNR.
SOB
Standing Order Book
Will be added later
SOD
Schedule Of Dimensions
Will be added later
SOL
Signal Over Lap
Will be added later
SOLIC
Station Official Language Implementation Committee
Will be added later
SOP
Schedule Of Powers
Will be added later
SOP
Standard Operating Procedure
Will be added later
SORC
Summary of Other Railway Circulars
Will be added later
SOS
Save Our Souls
Kavach
SP
Sectioning and Paralleling Post
These posts are situated approximately midway between feeding posts marking the demarcating point of two zones fed from different phases a 'paralleling interrupter' is provided at each 'SP' to parallel the OHE of the up and down tracks of a double track section, 'bridging interrupters' are also provided to permit one feeding post to feed beyond the sectioning post upto the next FP if its 25 kV supply is interrupted for some reasons.
SPAD
Signal Passing At Danger
A serious operational violation where a train passes a stop signal at danger
SPARME
Self Profelled Accident Relief Medical Equipment
Will be added later
SPARROW
Smart Performance Appraisal Report Recording Online Window
Will be added later
SPART
Self Profelled Accident Relief Trains
Will be added later
SPASHT
Safe Practices Avoiding Shortcut Methods in Train Operations
Will be added later
SPI
Shunting Permitted Indicator
Will be added later
SPO
Senior Personnel Officer
Will be added later
SPT
Signal Post Telephone
Will be added later
SPTM
Self Printing Ticket Machines
Will be added later
SPURT
Self Profelled Ultrasonic Rail Testing Car
Will be added later
SPW
Special Purpose Wagons
Will be added later
SR
Subsidiary Rules
Will be added later
SRIJAN
Station Rejuvenation Initiative through Joint Action
Will be added later
SRSB
Swachh Rail Swachh Bharat
Will be added later
SRSF
Special Railway Safety Fund
Will be added later
SS
Sub Sectioning Post
These are provided only occasionally. They are similar to SSPs with provision for sectioning of the OHE but not paralleling.
SSBPAC
Solid State Block Proving by Axle Counter
Will be added later
SSD
Speed Sensing Device
Will be added later
SSDAC
Single section Digital axle counter
Will be added later
SSE
Senior Section Engineer
Will be added later
SSI
Solid State Interlocking
A modern microprocessor-based interlocking system used for safe control of points and signals
SSP
Sub Sectioning & Paralleling Post
One or more SSPs are provided between each FP and adjacent SP depending upon the distance between them. In a double track section, normally three interrupters are provided at each SSP i.e. two connecting the adjacent sub-sectors of up and down tracks.
STA
Senior Technical Assistant
Will be added later
STBA
Station Ticket Booking Agent
Authorized local agent engaged for ticket booking at stations
STM
Senior Transportation Manager
Will be added later
STR
Safety To Run
Will be added later
STRI
Stensile Type Route Indication
Will be added later
STS
Station to Station Rates
Will be added later
STT
Sheet Time Table
Will be added later
SVK
Stationary Vital Kavach
Kavach
SWB
Signal Warning Board
Signal Warning Board is used when double distant signal is not provided and it is placed in 1400 metres distance in rear of Stop signal.
SWR
Station Working Rules
A station-specific document describing procedures for safe and efficient train working
SWRD
Station Working Rule Diagram
Will be added later
SYLR
Second Class Ladies, Luggage & Brake Van
Will be added later
T
63 Terms
TAAG
Trains At A Glance
Trains At A Glance (TAAG) is the All-India Public Time Table of Indian Railways. It is the most authoritative national publication for all long distance train timings, routes, days of run, classes, distance tables, and passenger information across Indian Railways.
TACL
Two Aspect Colour Light
Will be added later
TACLS
Train Actuated Control Level Crossing System
Will be added later
TALQ
Two Aspect Lower Quadrant
Will be added later
TAMS
Traffic Accounts Management System
Will be added later
TASA
Two Aspect Signalling Arrangement
Will be added later
TAST
Two Aspect Signalling Territory
Will be added later
TAWD
Train Actuated Warning Device
Will be added later
TBR
Through Ballast Renewal
Will be added later
TBTR
Through Bridge Timber Renewal
Will be added later
TCAS
Train Collision Avoidance System
Will be added later
TCC
Travelling Cash Chest
Will be added later
TCMS
Train Control & Management System
Will be added later
TD
Train Declaration
Electronic or manual declaration signaling readiness of a train for operation.
TDC
Tentative Date of Cancellation
Will be added later
TDMS
Track Distribution Management System
Will be added later
TFC
Total Failure of Communication
A condition where communication between stations completely fails, requiring special handling.
TEFD
Traditional Empty Flow Direction
Will be added later
TFR
Transnet Fright Rail
Will be added later
TFW
Traffic Facility Works
Will be added later
TG
Tank for LPG
Will be added later
TG
Termination for Goods Train
Will be added later
TI
Traffic Inspector
A supervisory officer responsible for monitoring operating staff and train operations.
TI
Trip Inspection
Will be added later
TIC
Total Interruption of Communication
Will be added later
TIEL
Terminal Incentive cum Engine on Load
Will be added later
TIN
Track Identification Number
Will be added later
TLBI
Token Less Block Instrument
Will be added later
TLC
Traction Loco Controller
Will be added later
TK
Tank for Kerosene
Will be added later
TMC
Terminal Management Company
Will be added later
TMM
Transfer Management Module
Will be added later
TMS
Track Management System
Will be added later
TMS
Terminal Management System
Will be added later
TOD
Train On Demand
Will be added later
TOLIC
Town Official Language Implementation Committee
Will be added later
TP
Tank for Petroleum
Will be added later
TP
Termination for Passenger Train
Will be added later
TPC
Traction Power Controller
Will be added later
TPWS
Train Protection & Warning System
A system that prevents collisions by enforcing braking when trains exceed speed limits or approach danger signals
TRD
Traction Distribution
Will be added later
TRR
Through Rail Renewal
Will be added later
TRT
Track Relaying Train
The track machine which is fully mechanized system of complete track renewal is known as Track Relaying Train.
TSL
Temporary Single Line
Will be added later
TSR
Train Signal Register
A register used to record all train movement signal indications and timings
TSR
Temporary Speed Restrictions
Will be added later
TSRMS
Temporary Speed Restriction Management System
Kavach
TSS
Traction Sub Station
Electric power supply station feeding overhead traction system to power trains.
TSS
Terminal Sub-Systems
Will be added later
TSTS
Train Staff Ticket System
Will be added later
TTC
Time Table Controller
Will be added later
TTE
Travelling Ticket Examiner
Railway staff responsible for on-board ticket verification.
TTI
Travelling Ticket Inspector
A railway staff responsible for inspecting tickets and ensuring compliance with fare rules.
TTM
Track Tamping Machine
Will be added later
TTM
Train Time-Table Module
Will be added later
TTR
Track Turnout Renewal
Will be added later
TVU
Train Vehicle Unit
Will be added later
TW
Tank for Water
Will be added later
TWI
Temporary Working Instructions
Will be added later
TWO
Temporary Working Order
Will be added later
TWR
Through Weld Renewal
Will be added later
TWS
Thick Web Switches
Will be added later
TXR
Train Examiner
Will be added later
U
14 Terms
UDAY
Utkrist Double Decker Air Condition Yatri Express
Uday Express (Utkrisht Double-Decker Air-conditioned Yatri Express) is a double-decker train designed to carry more passengers and is primarily used for day travel between major cities.
UDIP
Unified Digital Interface for Promotion
Will be added later
UDIT
Unified Digital Interface for Transfer Module
Will be added later
UDM
User Depot Module
Will be added later
UFSBI
Universal Fail Safe Block Interface
An electronic block interface that ensures fail-safe operation between block instruments and signaling equipment
UHF
Ultra High Frequency
Kavach
ULIP
Unified Logistics Interface Platform
Will be added later
UMID
Unique Medical Identity Card
Will be added later
UMLCG
Unmanned Level Crossings Gate
Will be added later
UPI
Unified Payments Interface
Will be added later
UPS
Unified Pension Scheme
Will be added later
UPS
Uninterruptible Power Supply
It is an electrical apparatus that provides emergency power to a load when the input power source or mains power fails. Unlike an auxiliary or emergency power system or standby generator, a UPS provides near-instantaneous protection from input power interruptions by using energy stored in batteries, supercapacitors, or flywheels.
USFD
Ultra Sonic Flaw Detection
Will be added later
UTS
Unreserved Ticketing System
System/platform for issuing unreserved tickets (counter, ATVM, and mobile)
V
12 Terms
VCB
Vacuum Circuit Braker
Will be added later
VCC
Vacuum Continuity Certificate
Will be added later
VCD
Vigilance Control Device
Will be added later
VDPC
Voice Data Port Card
Will be added later
VDU
Visual Display Unit
Will be added later
VED
Vital Essential Desirable
Will be added later
VG
Vehicle Guidance
Will be added later
VHF
Very High Frequency
Will be added later
VPU
High capacity Motor cum parcel van
Will be added later
VSAT
Very Small Aperture Terminal
It is a two-way satellite ground station that uses a small dish antenna (typically under 3.8 metres) to transmit and receive data, voice, and video signals. VSAT technology is especially useful for providing connectivity in remote or rural areas where terrestrial infrastructure like cables or fibre is unavailable.
VTO
Visibility Test Object
Will be added later
VTP
Visibility Test Post
Will be added later
W
31 Terms
WACCNH
AC Sleeper 3 tier
Will be added later
WAG
Wide Gauge AC Goods Locomotive
Designation for goods-hauling electric locomotives (e.g., WAG-7, WAG-9).
WAN
Wide Area Network
A network that connects devices over a large geographical area, such as a city or country, using long-distance communication lines.
WAP
Wide Gauge AC Passenger Locomotive
Designation for passenger electric locomotives (e.g., WAP-4, WAP-7).
WCA
Workmen Compensation Act
Will be added later
WCM
Wheel Condition Monitor
Will be added later
WDG
Wide Gauge Diesel Goods Locomotive
Diesel locomotives primarily designed for hauling freight trains.
WDP
Wide Gauge Diesel Passenger Locomotive
Diesel locomotives mainly used for passenger services.
WDRF
Wagon Demand Registration Fees
Will be added later
WGACCZ
AC Chair Car
Will be added later
WGCB
Pantry car
Will be added later
WFCZ
Vestibule First Class Chair Car
Will be added later
WGFACCW
First class cum AC 2 tier
Will be added later
WGSCZ
Vestibule Self-Generated Second Class Chair Car
Will be added later
WGSCZAC
Vestibule Self-Generated Second Class AC Chair Car
Will be added later
WGACCN
Vestibule Self-Generated AC Three Tier
Will be added later
WGACCW
Vestibule Self-Generated AC Two Tier
Will be added later
WGFCWAC
Vestibule Self-Generated First Class AC
Will be added later
WGSCNLR
Vestibule Self-Generated Second Class Three Tier Sleeper Luggage
Will be added later
WFDD
Wheel Flat Detection Device
Will be added later
WILD
Wheel Impact Load Detection
Will be added later
WIPER
Welfare Inspector Progress Evaluation & Review
Will be added later
WKM
Wagon Kilometer
WMS
Wage Management System
Will be added later
WMUCS
Wireless Multiple Unit Coupler System
Will be added later
WOLIC
Workshop Official Language Implementation Committee
Will be added later
WRRMDAC
Power car with disabled compartment
Will be added later
WRIIL
Work Related Illness and Injury Leave
Will be added later
WTR
Wagon Turn Round
Wagon Turn Round is the time interval between two successive loadings. It is normally expressed in number of days. It is the time taken by a wagon to go through one complete cycle of loading, movement to destination, unloading and next loading.
WTT
Working Time Table
Will be added later
WWB
Wagon Way Bill
Will be added later
Y
3 Terms
YM
Yard Master
Will be added later
YMS
Yard Management System
Will be added later
YTSK
Yatri Ticket Suvidha Kendra
Licensed ticket counters operated by private parties for public convenience
Z
4 Terms
ZBTT
Zero-Based Time Tabling
Will be added later
ZOLIC
Zonal Official Language Implementation Committee
Will be added later
ZRTI
Zonal Railway Training Institute
Will be added later
ZRUCC
Zonal Railway Users Consultative Committee
Represents public interests to railway zonal authorities.