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. 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. In FY 2022-23, OIL achieved highest ever Revenue & Profit after Tax (PAT) and also achieved highest ever Natural Gas production during the year. In 2021, OIL acquired additional 54.16% ownership interest in Numaligarh Reìnery Limited (NRL) making OIL the promoter & holding company of NRL. OIL has carved a niche as a leading oil and gas company in the upstream sector with a legacy of hydrocarbon exploration for over six decades and having a share of around 9% of the country’s total crude oil and natural gas production. The company has significant presence across the entire value chain in the hydrocarbon sector, it also produces Liquefied Petroleum Gas (LPG) and transports crude oil and refined petroleum products through cross-country pipelines. The company’s In-Country operations are spread over the areas in the states of Assam, Arunachal Pradesh, Mizoram, Tripura, Nagaland, Odisha, Andhra Pradesh and Rajasthan and offshore areas in Andaman, Kerala-Konkan and KG shallow waters. The company operates a 1157 Km long crude oil pipeline in the Northeast for transportation of crude oil produced by both OIL and ONGCL in the region to feed refineries.