Information updated as of 30 October, 2017 by Ministry of Heavy Industries and Public Enterprises (India) Public Sector Undertakings in India (List ) Maharatna Bharat Heavy Electricals Coal India Gas Authority of India Indian Oil Corporation Maharatna National Thermal Power Corporation Oil and Natural Gas Corporation Steel Authority of India Bharat Petroleum Corporation Navratna Bharat Electronics Container Corporation of India Engineers India Hindustan Aeronautics Hindustan Petroleum Corporation Mahanagar Telephone Nigam National Aluminium Company National Buildings Construction Corporation Navratna National Mineral Development Corporation NLC India Limited Oil India Power Finance Corporation Power Grid Corporation of India Rashtriya Ispat Nigam Rural Electrification Corporation Shipping Corporation of India Miniratna – I Airports Authority of India Antrix Corporation Balmer Lawrie Bharat Coking Coal Bharat Dynamics Bharat Earth Movers Bharat Sanchar Nigam Bridge & Roof Company (India) Central Warehousing Corporation Central Coalfields Chennai Petroleum Corporation Miniratna- Cochin Shipyard I Dredging Corporation of India Kamarajar Port Garden Reach Shipbuilders and Engineers Goa Shipyard Hindustan Copper HLL Lifecare Hindustan Newsprint Hindustan Paper Corporation Housing and Urban Development Corporation Indian Rare Earths Indian Railway Catering and Tourism Corporation Indian Renewable Energy Development Agency India Trade Promotion Organisation Ircon International India Tourism Development Corporation Kudremukh Iron Ore Company Mazagon Dock Limited Mahanadi Coalfields Mangalore Refinery and Petrochemical Mishra Dhatu Nigam Metals and Minerals Trading Corporation of India MOIL MSTC National Fertilizers National Seeds Corporation Nathpa Jhakri Dam National Hydroelectric Power Corporation Northern Coalfields North Eastern Electric Power Corporation Numaligarh Refinery ONGC Videsh Limited Pawan Hans Projects and Development India Rail Vikas Nigam RailTel Corporation of India Rail Vikas Nigam Limited Rashtriya Chemicals & Fertilizers RITES SJVN Limited Security Printing and Minting Corporation of India South Eastern Coalfields State Trading Corporation of India Telecommunications Consultants India THDC India WAPCOS Limited Western Coalfields Educational Consultants India HSCC (India) National Small Industries Corporation Mniratna – II • Bharat Pumps & Compressors • Broadcast Engineering Consultants India • Central Mine Planning and Design Institute • Central Railside Warehouse Company • Engineering Projects (India) Limited • FCI Aravali Gypsum and Minerals (India) • Ferro Scrap Nigam Miniratna- • HMT (International) II • Indian Medicines and Pharmaceuticals Corporation • MECON • Mineral Exploration Corporation • National Film Development Corporation of India • PEC Limited • Rajasthan Electronics and Instruments • Artificial Limbs Manufacturing Corporation of India .