Oil and Natural Gas Corporation Limited is a global energy holding company. The Company is engaged in the exploration, development and production of crude oil and natural gas. The Company’s segments include Exploration & Production (E&P), and Refining. The Company’s geographical segments include operations in two categories: In India, which includes Onshore and Offshore, and Outside India. The Company’s business spread include various areas, such as oil field services, transportation of the oil and natural gas, and production of value-added products, such as Liquefied Petroleum Gas (LPG), Naphtha, Refining, Petrochemicals, Power, unconventional and alternate sources of energy. The Company’s subsidiaries include ONGC Videsh Limited (OVL), Mangalore Refinery and Petrochemicals Limited (MRPL) and ONGC Mangalore Petrochemicals Limited. The Company’s oil and gas reserves are located internationally at Russia, Colombia, Vietnam, Brazil and Venezuela.