Lawyer Gautam Khaitan, Air Chief Marshal S.P Tyagi and his cousin Sanjeev Tyagi were arrested this Friday by the Central Bureau of Investigation (CBI). They were allegedly involved in the Rs 3,700-crore Agusta Westland VVIP helicopter contract. The CBI has found out that RS 450-crore was paid as bribes for the 12 helicopters. The contracted has since been withdrawn reports The Hindu.