Oil India

Oil India Limited (OIL) is a central public sector undertaking engaged in the business of exploration, development and production of crude oil and natural gas, transportation of crude oil and production of liquid petroleum gas. The central public sector undertaking is a Maharatna, with the Ministry of Petroleum and Natural Gas overseeing its operations. Headquartered in Duliajan, Assam, the company has its offices in Duliajan, Noida, Kolkata, Guwahati and Jodhpur.