Oil and Natural Gas Corporation Limited (ONGC) is an India-based company. The Company is mainly engaged in the oil exploration and production activities. The Company operates in two segments: exploration and production and refining. As of March 31, 2012, the Company had made 23 discoveries in domestic fields; 15 new prospects and eight new pool discoveries. Out of the 15 new prospect discoveries 7 are in NELP blocks. It is operating in four coal bed methane (CBM), which includes Jharia, Bokaro, North Karanpura and Raniganj. During the fiscal year ended March 31, 2012 (fiscal 2012), the Company had a crude oil production of 38.09 million metric tons and natural gas production of 47.56 million metric tons. Its subsidiaries include ONGC Videsh Limited (OVL), Mangalore Refinery & Petrochemicals Ltd., ONGC Nile Ganga BV (ONGBV), ONGC Nile Ganga (Cyprus) Ltd., Jarpeno Limited, Imperial Energy Corporation Plc, Imperial Energy Limited and Imperial Energy Kostanai Limited.