Oil India Limited / ऑयल इंडिया लिमिटेड | 63,586 followers on LinkedIn. Official page of Oil India Limited, an integrated Oil & Gas Maharatna CPSE. | Oil India Limited (OIL) is a fully integrated Exploration & Production company in the upstream sector, with origin dating back to the glorious year (1889) of oil discovery in India. Oil India Limited which was accorded "MAHARATNA" status on 04th August, 2023, is a state-owned enterprise of the Government of India, under the administrative control of the Ministry of Petroleum and Natural Gas and is the second largest national oil and gas company in India. Oil India Private Limited was incorporated on 18th February 1959, to expand and develop the newly discovered oil fields of Naharkatiya and Moran in the North-Eastern region of India.