Oil & Natural Gas Corporation Limited (ONGC) is a leading National Oil Company of India in which the government holds 74.14% equity stake. The Company is engaged mainly in exploration, development and production of crude oil, natural gas and some value added products. Established in 1956 with strategic national objective to explore and exploit hydrocarbon resources of the country, ONGC since then has grown into a full-fledged horizontally integrated upstream petroleum company with adequate in-house capabilities and infrastructure in the entire range of oil & gas Exploration & Production activities and related oil field & engineering services. ONGC today explore and produce oil & natural gas from acreages both onland and offshore in diverse logistic conditions, from rugged mountains to deserts and deep oceans. The Company are India's largest producers of Crude Oil, Natural Gas and LPG and also produce other value added petroleum products such as NGL, C2-C3, Aromatic Rich Naptha and Kerosene.

ONGC-Videsh limited (ONGC-VL), a wholly owned subsidiary of ONGC is the flagship of the company for its international operations. ONGC-VL is exclusively engaged in acquiring exploration and producing acreage overseas. The subsidiary has so far, acquired 14 properties in 10 foreign countries, and striving to reach out further.

OVL's projects are spread out in Vietnam, Russia, Sudan, Iraq, Iran, Lybia, Syria, Myanmar, Australia, and Ivory Coast. It is further pursuing Oil and gas exploration blocks in Algeria, Australia, Indonesia, Nepal, Iran, Russia, UAE and Venezuela.

Source: http://www.oilvoice.com/Description/Oil-Natural-Gas-Corporation-Limited-ONGC/61712688.aspx#gsc.tab=0