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Short Form
Full Form
Indian Railways Catering and Tourism Corporation
Rail India Technical and Economic Services- which takes on planning- design- and operational work in other countries (Angola- Mozambique- Zimbabwe- Botswana- Mexico- Zambia- Nepal- etc)
Delhi Metro Rail Corporation
Indian Railways Corporation (proposed)
Indian Railways Construction Company- now IRCON International Ltd- which takes on contract work to build railways in other countries (Iraq- Nepal- Indonesia)
Research- Design and Standards Organization
Railtel Corporation of India- Ltd
Railway Staff College- Vadodara
Calcutta Tramways Corporation
Railway Board
Mass Rapid Transit System (Chennai)
Container Corporation of India
Computer Maintenance Corporation- also Calcutta Metro Corporation
Railway Protection Force (also see below- Miscellaneous)
Indian Railway Accounts Services (financial management)
Wheel and Axle Plant- Yelahanka (also a loco classification
Central Organization for the Modernization of Workshops
Centre for Railway Information Systems
Bombay Port Trust (later MPT)
Indian Railways Finance Corporation
National Railway Mazdoor Union (railway employees trade union)
Central Organization for Railway Electrification
Indian Railway Medical Services
Indian Railway Conference Association (body that issues inspection guidelines- allots wagon codes- inspects workshops)
Central Office of Standards (predecessor of RDSO)
International Tourist Bureau (New Delhi)
Metropolitan Transport Project (Railways)- Bombay
Indian Railways Central Organization for Telecom
Rail Vikas Nigam Ltd
Indian Steam Railway Society
Indian Railway Service of Engineers
Indian Railways Insitute of Signal Engineering and Telecommunications- Secunderabad
Mumbai Rail Vikas Corporation
All-India Railwaymens Federation (union organization)
Konkan Railway Corporation- Ltd
National Federation of Indian Railwaymen (union organization)
Indian Railway Traffic Services (management- marketing)
Indian Railway Service of Mechanical Engineers
indian Railway Personnel Services (human resources)
Indian Railways Institute of Civil Engineering- Pune
Railway Board Secretariat Services (part of Railway Ministry)
Indian Railways Institute of Electrical Engineering- Nasik
Indian Railway Service of Signal Engineers
Indian Railway Service of Electrical Engineers
Indian Railways Institute of Advanced Track Technology
Rail Infrastructure Development Corporation (Karnataka) Ltd
Mumbai Port Trust (see BPT)
Mumbai Urban Transport Project (a World Bank project)
Indian Railways Institute of Mechanical and Electrical Engineering- Jamalpur
Indian Railways Executive Board (proposed)
Model Railway Society of Pune
Pipavav Railway Corporation Ltd
Railway Officers Medical Association
Diesel Component Works- Patiala
Bangalore Metropolitan Rail Transit Corporation- Ltd
Central Organization for Operations Information Systems
Indian Railway Stores Services (inventory control)
Siemens and General Electric Railway Signal Co- Ltd
Indian Railway Signal and Telecom Engineering
Indian Railway Public Health Association
Kolkata Mass Rapid Transit
National Rail Museum- New Delhi
Federation of Officers Associations (umbrella organization for railway officers groups)
Railway Testing and Research Centre (a predecessor of RDSO)
Konkan Railway Development Corporation
Railway Womens Welfare Central Organization
Konkan Railway Institute for Staff Training
Institution of Permanent Way Engineers
Friends of the National Rail Museum
Long Range Decision Support System
Light Rail Transit System (proposed- Kolkata)
Indian Railways Regulatory Authority (proposed)
Elevated Light Rail Transit System (proposed- Bangalore)

Railways-Trasport full forms