New Delhi: A court here on Wednesday extended till December 17 the CBI custody of former Indian Air Force (IAF) chief S.P. Tyagi and two others in the Rs 3,767-crore AgustaWestland chopper deal case.

Central Bureau of Investigation (CBI) Special Judge Arvind Kumar allowed the probe agency to quiz Tyagi, his cousin Sanjeev Tyagi and Delhi lawyer Gautam Khaitan for three more days after the central agency said the accused are required to be confronted with incriminating evidence that has emerged during investigation.