On 15 February 2010 at 14:36 Gautam Khaitan dialled a London number +447788723571 from his mobile 981817166*. Christian James Michel was on the line. They spoke again at 18:07. Just a week before the chat between the two shadowy figures, the Indian government had signed the Rs 3,600 crore deal with AgustaWestland to buy 12 VVIP choppers