Indian Prime Minister Manmohan Singh waves 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 3 months ago

Indian Prime Minister Manmohan Singh waves 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.'