Skip to contentMaharatna Companies & their Headquarters & महारत्न कंपनियां और उनके मुख्यालय
- NTPC – ( National Thermal Power Corporation Limited) New Delhi
- BHEL – ( Bharat Heavy Electricals Limited) New Delhi
- GAIL – ( Gas authority of India limited) New Delhi
- ONGC – ( Oil & Natural Gas Corporation Limited ) New delhi
- BPCL – ( Bharat Petroleum Corporation Limited) Mumbai
- SAIL – ( Steel Authority of India Limited) New Delhi
- CIL – ( Coal India Limited) Kolkata
- IOC – ( Indian Oil Corporation) New Delhi
- HPCL – ( Hindustan Petroleum Corporation Ltd ) Mumbai
- PGCIL – ( Power Grid Petroleum Corporation of india Ltd ) Gurgaon