| 
                AC
               | 
              
                Air-Conditioned
               | 
            
            
              | 
                ACC
               | 
              
                Air-Conditioned coach or class
               | 
            
            
              | 
                ACCC
               | 
              
                Air-Conditioned Chair Car
               | 
            
            
              | 
                ACP
               | 
              
                Alarm Chain Pulling(!)
               | 
            
            
              | 
                ADE, ADEN
               | 
              
                Assistant Divisional Engineer
               | 
            
            
              | 
                ADEE
               | 
              
                Assistant Divisional Electrical Engineer
               | 
            
            
              | 
                ADME
               | 
              
                Assistant Divisional Mechanical Engineer
               | 
            
            
              | 
                AE, AEN
               | 
              
                Assistant Engineer (see also Technical terms above)
               | 
            
            
              | 
                AEC
               | 
              
                Accident Enquiry Committee
               | 
            
            
              | 
                ALK
               | 
              
                Allowance in Lieu of Kilometrage (in calculating payments for loco pilots/drivers)
               | 
            
            
              | 
                ARMV
               | 
              
                Accident Relief Medical Van
               | 
            
            
              | 
                ART
               | 
              
                Accident Relief Train
               | 
            
            
              | 
                ARTS
               | 
              
                Advanced Railway Ticketing System
               | 
            
            
              | 
                ASM
               | 
              
                Assistant Station Master
               | 
            
            
              | 
                AW
               | 
              
                Auxiliary Watering (in working timetables)
               | 
            
            
              | 
                AWS
               | 
              
                Auxiliary Warning System
               | 
            
            
              | 
                BESA
               | 
              
                British Engineering Standards Association
               | 
            
            
              | 
                BG
               | 
              
                Broad Gauge
               | 
            
            
              | 
                BIO-TOIL
               | 
              
                'Biological Toilet' - eco-friendly toilet with bacterial decomposition facility developed by ICF for use on railway coaches.
               | 
            
            
              | 
                B/L
               | 
              
                Branch Line
               | 
            
            
              | 
                BOLT
               | 
              
                Build-Own-Lease-Transfer: private ownership/operation scheme for various freight & passenger services and infrastructure.
               | 
            
            
              | 
                BPS
               | 
              
                Blue Parcel Service
               | 
            
            
              | 
                CA&FO
               | 
              
                Chief Accounting and Finance Officer
               | 
            
            
              | 
                CARS
               | 
              
                Central Accounting and Reporting System (consolidated reports of ARTS ticketing during the day)
               | 
            
            
              | 
                CBO
               | 
              
                City Booking Office
               | 
            
            
              | 
                CC
               | 
              
                Chair Car
               | 
            
            
              | 
                CCS
               | 
              
                Chief Commercial Superintendent
               | 
            
            
              | 
                CCTV
               | 
              
                Closed-Circuit TV
               | 
            
            
              | 
                CEE
               | 
              
                Chief Electrical Engineer
               | 
            
            
              | 
                CFTS
               | 
              
                Chief Freight Traffic Superintendent
               | 
            
            
              | 
                CFS
               | 
              
                Container Freight Station
               | 
            
            
              | 
                CHA
               | 
              
                Custom House Agent
               | 
            
            
              | 
                CME
               | 
              
                Chief Mechanical Engineer
               | 
            
            
              | 
                COIS
               | 
              
                Coaching Operations Information System
               | 
            
            
              | 
                Conc.
               | 
              
                Concessional fare (annotation on ticket)
               | 
            
            
              | 
                CARTRAC
               | 
              
                (not really an acronym) CONCOR's automobile transport service
               | 
            
            
              | 
                CONCERT
               | 
              
                COuntrywide Network of Computerised Enhanced Reservation and Ticketing
               | 
            
            
              | 
                CONTRACK
               | 
              
                (not really an acronym) CONCOR's container freight service
               | 
            
            
              | 
                COW
               | 
              
                Career On Wheels: informal classrooms for teaching English, etc., on board trains
               | 
            
            
              | 
                CRS
               | 
              
                Chief Reservations Supervisor, Computerised Reservation System Commissioner of Rail Safety
               | 
            
            
              | 
                CT
               | 
              
                Control Tower
               | 
            
            
              | 
                CTI
               | 
              
                Central Training Institute
               | 
            
            
              | 
                CTR
               | 
              
                Combined Train Report
               | 
            
            
              | 
                CTU
               | 
              
                Centralized Training Unit
               | 
            
            
              | 
                CVM
               | 
              
                Coupon Validating Machine (for ticketing with prepaid coupons)
               | 
            
            
              | 
                C&W
               | 
              
                Carriage & Wagon (staff for plumbing, electricals, amenities)
               | 
            
            
              | 
                CW
               | 
              
                Carriage Watering facilities (in working timetables)
               | 
            
            
              | 
                DAL
               | 
              
                Delhi Avoiding Line, a route for goods trains to avoid the central New Delhi area.
               | 
            
            
              | 
                DCT
               | 
              
                Domestic Container Terminal (as opposed to the ones equipped for international freight)
               | 
            
            
              | 
                DEE
               | 
              
                Divisional Electrical Engineer (Sr. DEE = Senior Divisional Electrical Engineer)
               | 
            
            
              | 
                DF
               | 
              
                Development Fund
               | 
            
            
              | 
                DFC
               | 
              
                Dedicated Freight Corridor
               | 
            
            
              | 
                DF
               | 
              
                Defence quota
               | 
            
            
              | 
                DME
               | 
              
                Divisional Mechanical Engineer
               | 
            
            
              | 
                DP
               | 
              
                Duty Pass
               | 
            
            
              | 
                DRF
               | 
              
                Depreciation Reserve Fund
               | 
            
            
              | 
                DRM
               | 
              
                Divisional Railway Manager
               | 
            
            
              | 
                DRUCC
               | 
              
                Divisional (or District) Rail Users Consultative Committee
               | 
            
            
              | 
                DSC
               | 
              
                Dual-stacked (or double-stacked) containers
               | 
            
            
              | 
                E/A
               | 
              
                Extra time Allowed (slack in train's schedule for a section)
               | 
            
            
              | 
                EC or ECC
               | 
              
                Executive Chair Car
               | 
            
            
              | 
                ECR
               | 
              
                Empty Coaching Rake
               | 
            
            
              | 
                EFC
               | 
              
                Eastern Freight Corridor
               | 
            
            
              | 
                EQ
               | 
              
                Emergency Quota
               | 
            
            
              | 
                ESCAP
               | 
              
                Economic and Social Commission for Asia and the Pacific
               | 
            
            
              | 
                ESM
               | 
              
                Electronic Signal Maintainer
               | 
            
            
              | 
                ETA
               | 
              
                Estimated Time of Arrival
               | 
            
            
              | 
                EY
               | 
              
                Empty rake (on train monitoring systems)
               | 
            
            
              | 
                F
               | 
              
                Forward journey (in train number annotations)
               | 
            
            
              | 
                FC
               | 
              
                First Class, also Financial Commissioner, also Freight Corridor
               | 
            
            
              | 
                FEDL
               | 
              
                Fully Electrified Double Line
               | 
            
            
              | 
                FOB
               | 
              
                Foot Overbridge (a pedestrian overpass); Fuel Oil Balance
               | 
            
            
              | 
                FOIS
               | 
              
                Freight Operation Information System
               | 
            
            
              | 
                FRED
               | 
              
                Flashing Rear End Device (a warning lamp at the rear of a train)
               | 
            
            
              | 
                FT
               | 
              
                Foreign Tourist (annotation on reservation charts)
               | 
            
            
              | 
                G
               | 
              
                Goods
               | 
            
            
              | 
                GAL
               | 
              
                Goods Avoiding Line
               | 
            
            
              | 
                GIT
               | 
              
                Goods Intermodal Transshipment (e.g., "GIT yard")
               | 
            
            
              | 
                GM
               | 
              
                General Manager
               | 
            
            
              | 
                GR
               | 
              
                General Rules (railway regulations and operating procedures)
               | 
            
            
              | 
                GRP
               | 
              
                Government Railway Police
               | 
            
            
              | 
                GSA
               | 
              
                General Sales Agent (for bookings and Indrail passes sold abroad)
               | 
            
            
              | 
                GTKM
               | 
              
                Gross Tonne KM
               | 
            
            
              | 
                HDR
               | 
              
                High-Density Route
               | 
            
            
              | 
                HDN
               | 
              
                High-Density Network ('Golden quadrilateral' and others)
               | 
            
            
              | 
                HO
               | 
              
                Head Office (a type of quota for tickets)
               | 
            
            
              | 
                HP
               | 
              
                Handicapped Persons quota
               | 
            
            
              | 
                HSRL
               | 
              
                High Speed Rail Line (or Link)
               | 
            
            
              | 
                IBP
               | 
              
                Intermediate Block Post
               | 
            
            
              | 
                IC
               | 
              
                Inspection Carriage (Saloon)
               | 
            
            
              | 
                ICD
               | 
              
                Inland Container Depot
               | 
            
            
              | 
                ICTT
               | 
              
                International Container Transshipment Terminal
               | 
            
            
              | 
                I-ASK
               | 
              
                Inter-Active Status Kiosk (to check reservation / train status)
               | 
            
            
              | 
                IMPRESS
               | 
              
                Integrated Multi-train Passenger REServation System
               | 
            
            
              | 
                IOH
               | 
              
                Intermediate Overhaul
               | 
            
            
              | 
                IOW
               | 
              
                Inspector of Works
               | 
            
            
              | 
                IRMP
               | 
              
                Integrated Railway Modernization Plan
               | 
            
            
              | 
                IRP
               | 
              
                Indrail Pass
               | 
            
            
              | 
                IRS
               | 
              
                Indian Railway Standard (pre-Independence railway standards body)
               | 
            
            
              | 
                IRVS
               | 
              
                Interactive Voice Response System
               | 
            
            
              | 
                JOH
               | 
              
                Junction of Head - point where the tongue rail approaches the main rail in a switch
               | 
            
            
              | 
                JUSBRL
               | 
              
                Jammu Udhampur Srinagar Baramulla Rail Link (Kashmir Valley railway project)
               | 
            
            
              | 
                LB
               | 
              
                Lower Berth (annotation on ticket for sleeping accommodation)
               | 
            
            
              | 
                LC
               | 
              
                Level Crossing
               | 
            
            
              | 
                LHF
               | 
              
                Long Hood Forward
               | 
            
            
              | 
                LHL
               | 
              
                Long Hood Leading
               | 
            
            
              | 
                LI
               | 
              
                Loco Inspector
               | 
            
            
              | 
                L/L
               | 
              
                Local Line
               | 
            
            
              | 
                LQ
               | 
              
                Ladies Quota
               | 
            
            
              | 
                LRT
               | 
              
                Light Rail Transit
               | 
            
            
              | 
                LV
               | 
              
                Last Vehicle
               | 
            
            
              | 
                MB
               | 
              
                Middle Berth (annotation on ticket for sleeping accommodation)
               | 
            
            
              | 
                MCO
               | 
              
                Military Control Office (coordinates ticketing and accommodation for military personnel at some railway stations)
               | 
            
            
              | 
                M/E
               | 
              
                Mail/Express (on tickets)
               | 
            
            
              | 
                MG
               | 
              
                Meter Gauge, also Motor Generator
               | 
            
            
              | 
                MGC
               | 
              
                Mekong Ganga Cooperation group, an association of India and south-east Asian countries, which among other things aim to build a rail link from India to Vietnam.
               | 
            
            
              | 
                M/L
               | 
              
                Main Line
               | 
            
            
              | 
                MOW
               | 
              
                Maintenance of Way
               | 
            
            
              | 
                MRT
               | 
              
                Medical Relief Train (self-propelled medical van for accidents)
               | 
            
            
              | 
                MRTC
               | 
              
                Mobile Radio Train Communication
               | 
            
            
              | 
                MSL
               | 
              
                Mean Sea Level
               | 
            
            
              | 
                MTP
               | 
              
                Metropolitan Transport Project (body studying Calcutta's transit problems in the 1960's)
               | 
            
            
              | 
                NETRA
               | 
              
                Network of Electrification -- Testing and Recording Apparatus
               | 
            
            
              | 
                NG
               | 
              
                Narrow Gauge
               | 
            
            
              | 
                NLT
               | 
              
                Not Losing Time
               | 
            
            
              | 
                NMG
               | 
              
                New Maruti Goods / New Modified Goods (wagons)
               | 
            
            
              | 
                NOSTRAC
               | 
              
                North-South Transport Corridor (proposed Central Asia - Iran - India link)
               | 
            
            
              | 
                NP
               | 
              
                Non-pooled (referring to freight stock)
               | 
            
            
              | 
                NR
               | 
              
                'Not Received' (referring to freight consignments delayed or missing in transit)
               | 
            
            
              | 
                NRC
               | 
              
                Non-railway Customer (any customer other than the zonal railways, for the products of CLW, DLW, etc.)
               | 
            
            
              | 
                NTES
               | 
              
                National Train Enquiry System (phone-based train/reservation status)
               | 
            
            
              | 
                NTKM
               | 
              
                Net Tonne-Kilometer
               | 
            
            
              | 
                NV
               | 
              
                Non-Vegetarian (meal or restaurant)
               | 
            
            
              | 
                NVOCC
               | 
              
                Non-Vehicle Owning/Operating Common Carrier
               | 
            
            
              | 
                OA
               | 
              
                Out-Agency
               | 
            
            
              | 
                OCV
               | 
              
                Other Coaching Vehicle
               | 
            
            
              | 
                OIGS
               | 
              
                On India Government Service (for mail, etc.)
               | 
            
            
              | 
                Ordy.
               | 
              
                Ordinary = Stopping passenger (on tickets)
               | 
            
            
              | 
                OSD
               | 
              
                Officer on Special Duty
               | 
            
            
              | 
                OYWS
               | 
              
                Own Your Wagon Scheme
               | 
            
            
              | 
                PAR
               | 
              
                Parcel Service (in indicating kinds of bookings available at ticket agency)
               | 
            
            
              | 
                PCV
               | 
              
                Passenger Coaching Vehicle
               | 
            
            
              | 
                PF
               | 
              
                Platform (sometimes P/F)
               | 
            
            
              | 
                PH
               | 
              
                Parliamentary Quota
               | 
            
            
              | 
                PNR
               | 
              
                Passenger Name Record (Passenger Numeric Record?) (identifying number for ticket)
               | 
            
            
              | 
                POH
               | 
              
                Periodic Overhaul
               | 
            
            
              | 
                POL
               | 
              
                Petroleum, Oil, and Lubricants (designation for oil cargo)
               | 
            
            
              | 
                PQ
               | 
              
                Pooled Quota
               | 
            
            
              | 
                PQWL
               | 
              
                Pooled Quota Waiting List
               | 
            
            
              | 
                PRS
               | 
              
                Passenger Reservation System
               | 
            
            
              | 
                PS
               | 
              
                Passenger Service (in indicating kinds of bookings available at ticket agency)
               | 
            
            
              | 
                PSCT
               | 
              
                Port-side Container Terminal
               | 
            
            
              | 
                PU
               | 
              
                Production Unit
               | 
            
            
              | 
                PWI
               | 
              
                Permanent Way Inspector
               | 
            
            
              | 
                R
               | 
              
                Return journey (in train number annotations)
               | 
            
            
              | 
                RA
               | 
              
                Running Allowance (in calculating drivers' pay)
               | 
            
            
              | 
                RAC
               | 
              
                Reservation Against Cancellation
               | 
            
            
              | 
                RCC
               | 
              
                Railway Convention Committee (also see above)
               | 
            
            
              | 
                R Fee, Res Fee
               | 
              
                Reservation fee (annotation on ticket)
               | 
            
            
              | 
                RJQ
               | 
              
                Return Journey Quota
               | 
            
            
              | 
                RLWL
               | 
              
                Running Line Waiting List
               | 
            
            
              | 
                RMS
               | 
              
                Railway Mail Service
               | 
            
            
              | 
                ROB
               | 
              
                Road Over-bridge (i.e., road goes over train tracks)
               | 
            
            
              | 
                ROH
               | 
              
                Routine Overhaul
               | 
            
            
              | 
                RO-RO (RORO)
               | 
              
                Roll-on, roll-off service (auto transport)
               | 
            
            
              | 
                ROW
               | 
              
                Right of Way
               | 
            
            
              | 
                RPF
               | 
              
                Railway Pension Fund (also see above, organizations)
               | 
            
            
              | 
                RR
               | 
              
                Railway Receipt, Refreshment Room
               | 
            
            
              | 
                RRF
               | 
              
                Railway Reserve Fund
               | 
            
            
              | 
                RTR
               | 
              
                Ready-to-Run (modelling kits)
               | 
            
            
              | 
                RTSA
               | 
              
                Rail Travellers' Service Agents
               | 
            
            
              | 
                RUB
               | 
              
                Road Under-bridge (i.e., road goes under train tracks)
               | 
            
            
              | 
                SATIS
               | 
              
                Station Area Traffic Improvement Scheme
               | 
            
            
              | 
                S Ch, SF Ch
               | 
              
                Superfast Charges (annotation on ticket)
               | 
            
            
              | 
                SCRA
               | 
              
                Special Class Railway Apprentice
               | 
            
            
              | 
                SEB
               | 
              
                State Electricity Board (any of the state bodies supplying electricity to IR)
               | 
            
            
              | 
                Sh. CC
               | 
              
                Shatabdi Chair Car
               | 
            
            
              | 
                SHF
               | 
              
                Short Hood Forward
               | 
            
            
              | 
                SHL
               | 
              
                Short Hood Leading
               | 
            
            
              | 
                SIL
               | 
              
                Safety Integrity Level - statistical measure of reliability of a safety system such as an interlocking system
               | 
            
            
              | 
                SLB
               | 
              
                Side Lower Berth (annotation on ticket for sleeping accommodation)
               | 
            
            
              | 
                SM
               | 
              
                Station Master
               | 
            
            
              | 
                SPART
               | 
              
                Self-Propelled Accident Relief Train - 3-coach accident relief rakes with two diesel power packs
               | 
            
            
              | 
                SPURT
               | 
              
                Self-Propelled Ultrasonic Rail Testing cars
               | 
            
            
              | 
                SR
               | 
              
                Subsidiary Rules (for railway operation, see GR)
               | 
            
            
              | 
                SRUCC
               | 
              
                Suburban Rail Users Consultative Committee (for Mumbai suburban services)
               | 
            
            
              | 
                SS
               | 
              
                Station Superintendent; Substation (electrification)
               | 
            
            
              | 
                SSD
               | 
              
                Spring Setting Device - spring-loaded mechanism on some switches to ensure proper alignment of tongue and stock rails
               | 
            
            
              | 
                SSE
               | 
              
                Senior Section Engineer
               | 
            
            
              | 
                S&T
               | 
              
                Signalling & Telecommunications
               | 
            
            
              | 
                STA
               | 
              
                Suburban Traffic Avoiding line : the fifth line between Borivali and Bandra Marshalling Yard, and between Mahim Junction and Mumbai Central in the Mumbai system.
               | 
            
            
              | 
                SUB
               | 
              
                Side Upper Berth (annotation on ticket for sleeping accommodation)
               | 
            
            
              | 
                TAAG
               | 
              
                Trains At A Glance (a timetable publication)
               | 
            
            
              | 
                TAR
               | 
              
                Trans-Asian Railway (another proposed grand pan-Asian route)
               | 
            
            
              | 
                TBO
               | 
              
                Town Booking Office
               | 
            
            
              | 
                TC
               | 
              
                Trailer Car (unpowered car in EMU rake), Ticket Checker / Ticket Collector
               | 
            
            
              | 
                TCF
               | 
              
                Train Coming From (condition of block instrument)
               | 
            
            
              | 
                TDR
               | 
              
                Ticket Deposit Receipt (when surrendering ticket for cancellation / refund)
               | 
            
            
              | 
                TEU
               | 
              
                Twenty-foot Equivalent Unit (for measuring container traffic; a standard 40-foot container is 2 TEUs)
               | 
            
            
              | 
                TGT
               | 
              
                Train Going To (condition of block instrument)
               | 
            
            
              | 
                TMS
               | 
              
                Train Management System
               | 
            
            
              | 
                TRS
               | 
              
                Traction Rolling Stock
               | 
            
            
              | 
                TS
               | 
              
                Train Superintendent
               | 
            
            
              | 
                TT
               | 
              
                Timetable
               | 
            
            
              | 
                TTE
               | 
              
                Travelling Ticket Examiner
               | 
            
            
              | 
                TQ
               | 
              
                Tatkal Quota
               | 
            
            
              | 
                TXR
               | 
              
                Train Examiner, the officer who issues the BPC and VCC (Train Inspector)
               | 
            
            
              | 
                UB
               | 
              
                Upper Berth (annotation on ticket for sleeping accommodation)
               | 
            
            
              | 
                UEC
               | 
              
                Universal Emergency Communication (a system of on-board communication in some trains)
               | 
            
            
              | 
                V
               | 
              
                Vegetarian (meal or restaurant)
               | 
            
            
              | 
                V Ch, Vou Ch
               | 
              
                Voucher charges (annotation on ticket)
               | 
            
            
              | 
                VG
               | 
              
                Vegetarian (meal or restaurant), also Vehicle Guidance (the record of identifying numbers for coaches/wagons that make up a train)
               | 
            
            
              | 
                VLRR
               | 
              
                Vegetarian Light Refreshment Room
               | 
            
            
              | 
                VT
               | 
              
                Victoria Terminus (now Chhatrapati Shivaji Terminus)
               | 
            
            
              | 
                WFC
               | 
              
                Western Freight Corridor
               | 
            
            
              | 
                WL, W/L
               | 
              
                Waiting List; Wait-Listed (ticket issued without confirmed accommodations)
                
                (Also as a sign: Whistle on approach to Level crossing!)
               | 
            
            
              | 
                WM
               | 
              
                Works Manager
               | 
            
            
              | 
                W/T
               | 
              
                Without Ticket
               | 
            
            
              | 
                ZDOT
               | 
              
                Zero Death On Tracks (campaign to reduce fatalities from pedestrian trespassers)
               | 
            
            
              | 
                ZISTU
               | 
              
                Zonal Integrated S&T Units
               | 
            
            
              | 
                ZTC
               | 
              
                Zonal Training Centre
               | 
            
            
              | 
                2T
               | 
              
                Two-tier (as in "AC-2T" = airconditioned two-tier coach)
               | 
            
            
              | 
                3T
               | 
              
                Three-tier
               |