Indian Prime Minister Manmohan Singh (C) turns the wheel to open a valve, allowing the first oil to flow from a new oil field, as Cairn Energy chairman Bill Gammell (R), Cairn India chief executive officer Rahul Dhir (2nd R, partially obscured), Chief Minister of the western Indian state of Rajasthan Ashok Gehlot (2nd L) and Indian Petroleum Minister Murali Deora (L) look on during the inauguration of the Mangala oil field in Barmer on August 29, 2009. Prime Minister Manmohan Singh on August 29 invited global investors to put their money in India as Britain �s Cairn Energy began pumping crude from a vast oil field in the desert state of Rajasthan. Singh told a ceremony inaugurating the country's largest inland oil field that Cairn's success in developing production showed the world that 'India has a good climate for foreign investment.' Getty Images logo Getty Images 30 months ago

Indian Prime Minister Manmohan Singh (C) turns the wheel to open a valve, allowing the first oil to flow from a new oil field, as Cairn Energy chairman Bill Gammell (R), Cairn India chief executive officer Rahul Dhir (2nd R, partially obscured), Chief Minister of the western Indian state of Rajasthan Ashok Gehlot (2nd L) and Indian Petroleum Minister Murali Deora (L) look on during the inauguration of the Mangala oil field in Barmer on August 29, 2009. Prime Minister Manmohan Singh on August 29 invited global investors to put their money in India as Britain �s Cairn Energy began pumping crude from a vast oil field in the desert state of Rajasthan. Singh told a ceremony inaugurating the country's largest inland oil field that Cairn's success in developing production showed the world that 'India has a good climate for foreign investment.'