By Martin Robinson PUBLISHED: 06:24 EST, 19 February 2013 | UPDATED: 14:43 EST, 19 February 2013 David Cameron’s efforts to build a 'special partnership' with India were overshadowed today by questions over alleged corruption in a UK-based company’s contract to supply helicopters to the country’s airforce. The allegations against AgustaWestland have made front-page news in Indian newspapers during Mr Cameron’s three-day visit, and Indian prime minister Manmohan Singh today used a joint press conference to raise 'very serious concerns' about possible ethical breaches. Mr Singh asked for assistance from the UK authorities as Indian investigators look into the allegations. Helicopters: David Cameron and Indian PM Manmohan Singh met for talks in New Delhi today - but they were dominated by discussions about alleged corruption
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UK-based company AgustaWestland accused of ethical breaches
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Indian prime minister Manmohan Singh demands David Cameron helps
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AgustaWestland providing helicopters for Indian air force
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British PM in talks with Indian counterpart in Delhi today
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50 free places costing up to £32,000 each to be offered by LSE from Autumn
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David Cameron says there will be 'no limits' on visas for Indian students
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Asked if he found that Mr Cameron felt the need to apologise for @placeholder's colonial past, the actor said: 'No, no, no.