Oil and Natural Gas Corporation Limited explores for, develops, and produces crude oil and natural gas in India and internationally. It operates through Exploration & Production, and Refining segments. The company is also involved in the refining and processing of crude oil and natural gas, provision of oilfield services, transportation of the oil and natural gas, and production of value-added products, such as liquefied petroleum gas, naphtha, superior kerosene oil, low sulphur high stock, aviation turbine fuel, ethane, propane, high speed diesel