Maharatna Company List

Bharat Heavy Electricals Limited (BHEL)
Bharat Petroleum Corporation Limited (BPCL)
Coal India Limited (CIL)
Gas authority of India limited (GAIL)
Indian Oil Corporation Limited (IOC)
National Thermal Power Corporation Limited (NTPC)
Oil & Natural Gas Corporation Limited (ONGC)

Steel Authority of India Limited (SAIL)

Navratna Company List

Bharat Electronics Limited (BEL)
Container Corporation of India Limited (CONCOR)
Engineers India Limited (EIL)
Hindustan Aeronautics Limited (HAL)
Hindustan Petroleum Corporation Limited (HPCL)
Mahanagar Telephone Nigam Limited (MTNL)
National Aluminium Company Limited (NALCO)
National Buildings Construction Corporation (NBCC)
National Mineral Development Corporation (NMDC)
Neyveli Lignite Corporation Limited
Oil India Limited (OIL)
Power Finance Corporation Limited (PFC)
Power Grid Corporation of India Limited (POWERGRID)
Rashtriya Ispat Nigam Limited (RINL)
Rural Electrification Corporation Limited (REC)

Shipping Corporation of India Limited (SCI)

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