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. A Maharatna Company, OIL 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 Limited The story of OIL traces and symbolizes the growth and development of the Indian petroleum Industry. From the discovery of the crude oil in the far east of India at Digboi, Assam in 1889 to its present status as a fully integrated National Exploration and Production company with footprints across entire E&P value chain. The company is India’s second largest National E&P Company. Oil India Private Limited was incorporated on 18th February 1959, to expand and develop the newly discovered oil fields of Naharkatia and Moran in the North-Eastern region of India. In 1961, it became a joint venture company of Government of India and Burmah Oil Company Limited, UK. In 1981, OIL became a wholly owned Government of India enterprise.