The Government of India categorizes Central Public Sector Enterprises (CPSEs) under three different categories – Maharatna, Navratna, and Miniratna. These categorisations are based on different criteria. Total number of maharatna companies 10.
Maharatna companies Established Year Headquarter
Bharat Heavy Electrical Limited 1964 New Delhi
Bharat Petroleum corporation Limited 1977 Mumbai
Gas Authority of India Limited 1984 New Delhi
National Thermal Power corporation 1975 New Delhi
Oil and Natural Gas Corporation 1956 Dehradun
Steel Authority of India Limited 1974 New Delhi
Indian Oil Corporation 1964 New Delhi
Coal India Limited 1975 Kolkata
Hindustan Petroleum corporation Lim. 1974 Mumbai
Powergreed corporation of India 1989 Gurgaon
