Smoke billows from a fire at an Oil and Natural Gas Corporation's (ONGC) gas processing plant in Uran area near Navi Mumbai.

Prime Minister Narendra Modi being shown the functioning of ONGC OPAL during its dedication ceremony, in Dahej.

Prime Minister Narendra Modi delivering his address at the Industry Meet at ONGC Petro Additions Limited (OPAL), in Dahej, Gujarat.

The Coast Guard men dousing the fire that broke out at an ONGC supply vessel in Mumbai.

Fire erupts in a CNG pipeline of ONGC during repair work in Olapad, Surat.

An ONGC team working to plug the gas leak in the rig at Bombay High while the Coast Guard stands by.

Being sunk? ONGC’s Bombay High rigs

ONGC players and members of Indian contingent for London Olympics 2012 pose for photo during an event in New Delhi.

A view of the oil slick 2 km off the coast after a leak in ONGC's Mumbai Uran Trunk pipeline in Mumbai.

Mangala oil field at Barmer, Rajasthan, will account for 20% of India’s crude output by 2011

The rig for exploration started by the Oil and Natural Gas Corporation Limited in the offshore, 70 nautical miles away from Kochi.