| CONCOR | Container Corporation of India Limited |
| CRT | Container Train Terminal |
| CRWS | Coach Rehabilitation Workshop |
| CPO | Chief Personnel Officer |
| CR | Central Railway |
| CRB | Chairman Railway Board |
| CRIS | Centre for Railway Information Systems |
| CRS | Commissioner of Railway Safety |
| COS | Controller of Stores |
| CVC | Central Vigilance Commission |
| CWE | Chief Workshop Engineer |
| D&G | Direction and General |
| DLW | Diesel Locomotive Works |
| DoT | Department of Telecommunication |
| DPR | Detailed Project Report |
| DRM | Divisional Railway Manager |
| EAC | Estimated Annual Consumption |
| ECOR | East Coast Railway |
| ECR | East Central Railway |
| EMU | Electric Multiple Unit |
| EOL | Engine On Load |
| EPF | Employees Provident Fund |
| ER | Eastern Railway |
| ESI | Employees State Insurance |
| FA&CAO | Financial Advisor and Chief Accounts Officer |
| FOB | Foot Overbridge |
| FOIS | Freight Operations Information System |
| FSLA | Freight Service and Ledger Account |
| GC | Gauge Conversion |
| GM | General Manager |
| GPS | Global Positioning System |
| GSD | General Store Depot |
| GSM-R | Global System for Mobile Communication-Railway |
| GTKM | Gross Tonnage per Kilometre |
| HSD | High Speed Diesel |
| ICD | International Container Depot |
| ICF | Integral Coach Factory |
| IOH | Intermediate Overhaul |
| IR | Indian Railways |
| IRCON | Indian Railway Construction Organisation |
| IRCTC | Indian Railway Catering and Tourism Corporation |
| IRPSM | Indian Railways Projects Sanctions & Management |
| IRR | Internal Rate of Return |
| IRSOD | Indian Railway Schedule of Dimensions |
| ISS | Integrated Security System |
| IRCA | Indian Railway Conference Association |
| KVIC | Khadi and Village Industries Commission |
| LC | Level Crossing |
| MIS | Management Information System |
| MLR | Midlife Rehabilitation |
| MoR | Ministry of Railways |
| MoU | Memorandum of Understanding |
| MPLAD | Members of Parliament Local Area Development |
| MR | Metro Railway |
| NCR | North Central Railway |
| NEFR | Northeast Frontier Railway |
| NER | North Eastern Railway |
| NPS | New Pension Scheme |
| NR | Northern Railway |
| NREGA | National Rural Employment Guarantee Act |
| NTXR | Neutral Train Examiner |
| NWR | North Western Railway |
| OFC | Optic Fibre Cable |
| OHE | Over Head Electrical Equipment |
| PCE | Principal Chief Engineer |
| PMS | Parcel Management System |
| POH | Periodical Overhaul |
| PSU | Public Sector Undertaking |
| RC | Rate Circular |
| RDSO | Research, Design and Standards Organisation |
| RE | Railway Electrification |
| RITES | Rail India Technical and Economic Services Limited |
| RKM | Route Kilometers |
| RMT | Rail Milk Tanker |
| ROB | Road Overbridge |
| ROR | Rate of Return |
| RR | Railway Receipts |
| RUB | Road Underbridge |
| RVNL | Rail Vikas Nigam Limited |
| SCADA | Supervisory Control and Data Acquisition |
| SCR | South Central Railway |
| SLRs | Brake Vans |
| SP | Sectioning and Paralleling Post |
| SPTO | Special Parcel Train Operator |
| SR | Southern Railway |
| Sr. DCM | Senior Divisional Commercial Manager |
| Sr. DPO | Senor Divisional Personnel Officer |
| Sr. DOM | Senior Divisional Operations Manager |
| SSP | Sub Sectioning and Paralleling Post |
| TOT | Transfer of Technology |
| SWA | Sender’s Weight Accepted |
| SWR | South Western Railway |
| TA | Traffic Accounts |
| TC | Tender Committee |
| TEU | Twenty Feet Equivalent Unit |
| TS | Train Superintendent |
| TKM | Track Kilometre |
| TSS | Traction Sub-station |
| TTE | Travelling Ticket Examiner |
| TVU | Travelled Vehicle Unit |
| VP | Parcel Van |
| WCR | West Central Railway |
| WPC | Wireless Planning and Coordination |
| WR | Western Railway |
| CTO | Container Train Operators |
