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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
Centre for Railway Information Systems
Central Organization for the Modernization of Workshops
National Railway Mazdoor Union (railway employees trade union)
Indian Railways Finance Corporation
Bombay Port Trust (later MPT)
Central Organization for Railway Electrification
Indian Railway Medical Services
Indian Railway Conference Association (body that issues inspection guidelines- allots wagon codes- inspects workshops)
International Tourist Bureau (New Delhi)
Metropolitan Transport Project (Railways)- Bombay
Central Office of Standards (predecessor of RDSO)
Indian Steam Railway Society
Rail Vikas Nigam Ltd
Indian Railways Central Organization for Telecom
Indian Railways Insitute of Signal Engineering and Telecommunications- Secunderabad
Mumbai Rail Vikas Corporation
Indian Railway Service of Engineers
Konkan Railway Corporation- Ltd
All-India Railwaymens Federation (union organization)
Indian Railway Service of Mechanical Engineers
National Federation of Indian Railwaymen (union organization)
Indian Railway Traffic Services (management- marketing)
indian Railway Personnel Services (human resources)
Railway Board Secretariat Services (part of Railway Ministry)
Indian Railways Institute of Civil Engineering- Pune
Indian Railways Institute of Electrical Engineering- Nasik
Indian Railway Service of Signal Engineers
Mumbai Port Trust (see BPT)
Indian Railways Institute of Advanced Track Technology
Indian Railway Service of Electrical Engineers
Rail Infrastructure Development Corporation (Karnataka) Ltd
Railway Officers Medical Association
Mumbai Urban Transport Project (a World Bank project)
Pipavav Railway Corporation Ltd
Indian Railways Institute of Mechanical and Electrical Engineering- Jamalpur
Diesel Component Works- Patiala
Indian Railways Executive Board (proposed)
Model Railway Society of Pune
Bangalore Metropolitan Rail Transit Corporation- Ltd
Central Organization for Operations Information Systems
Indian Railway Stores Services (inventory control)
Indian Railway Public Health Association
Indian Railway Signal and Telecom Engineering
Siemens and General Electric Railway Signal Co- Ltd
National Rail Museum- New Delhi
Kolkata Mass Rapid Transit
Federation of Officers Associations (umbrella organization for railway officers groups)
Konkan Railway Development Corporation
Railway Testing and Research Centre (a predecessor of RDSO)
Railway Womens Welfare Central Organization
Konkan Railway Institute for Staff Training
Friends of the National Rail Museum
Long Range Decision Support System
Institution of Permanent Way Engineers
Light Rail Transit System (proposed- Kolkata)
Indian Railways Regulatory Authority (proposed)
Elevated Light Rail Transit System (proposed- Bangalore)

Railways-Trasport full forms