Zonal Railways | Production Unit | Corporate Sites | Others |
Central Railway(CR) | Chittaranjan Loco Works(CLW) | Centre for Railway Information Systems | Indian Railways Portal |
East Central Railway(ECR) | Diesel Locomotive Works(DLW) | Container Corporation of India Limited | Railway Board |
East Coast Railway(East Coast) | Diesel-Loco Modernisation Works(DMW) | IRCON International Limited | Northern Railway Carriage and wagon Workshop Lucknow |
Eastern Railway(ER) | Integral Coach Factory(ICF) | Indian Railway Catering and Tourism Corporation Limited | Indian Railway E-Procurement |
North Central Railway(NCR) | Rail Coach Factory Kapurthala(RCF) | Indian Railway Finance Corporation | National Train Enquiry System |
North Eastern Railway(NER) | Rail Wheel Factory(RWF) | Indian Railway Welfare Organisation | Institute of Rail Transport |
North Western Railway(NWR) | Central Organization for Railway Electrification(CORE) | Konkan Railway Corporation's | Darjeeling Himalayan Railway |
Northeast Frontier Railways(NFR) | Rail Coach Factory Raebareli(RCFRBL) | RITES Limited | Indian Railway Central Organization for Telecom |
Northern Railway (NR) | Rail Wheel Plant Bela(RWP) | Rail Vikas Nigam Limited | National Rail Museum Sites |
South Central Railway(SCR) | Mumbai Railway Vikas Corporation(MRVC) | RAILTEL Corporation of India Limited | Indian Railway Traffic Service Association(IRTS) |
South East Central Railway(SECR) | Educational & Research | | Palace on Wheels |
South Eastern Railway(SER) | Indian Railways Institute of Electrical Engineering(IRIEEN) | | Railway Board Claims website |
South Western Railway(SWR) | Indian Railways Institute of Mechanical and Electrical Engineering(IRIMEE) | | Rail Tourism |
Southern Railway(SR) | Indian Railway Institute Of Civil Engineering(IRICEN) | | Delhi Metro Rail Corporation |
West Central Railway(WCR) | Research Design and Standards Organization(RDSO) | | Central Organisation For Modernisation of Workshops(COFMOW) |
Western Railway(WR) | Indian Railway Institute Of Transport Management(IRITM) | | |
Metro Railway,Kolkata(MTP) | Indian Railway Institute Of Signal Engineering and Telecommunications(IRISET) | | |
| National Academy of Indian Railways(NAIR) | | |