Special CBI court today issued non-bailable warrants (NBWs) against three European middlemen in connection with the AgustaWestland VVIP choppers deal case. It also served summons on the other accused including former IAF chief SP Tyagi.<br/><br/>The CBI said, the NBWs and the summonses were issued against the accused on the basis of its charge sheet filed in September this year. The middlemen are Carlo F Gerosa, Christian Michel and Guido Haschke.<br/><br/>The agency had filed the charge sheet against nine people, including former Indian Air Force (IAF) chief Tyagi and five foreign nationals, in connection with alleged bribery in the procurement of 12 VVIP helicopters from the UK-based AgustaWestland during the UPA-2 government.<br/><br/>The charge sheet has estimated a loss of nearly 2,666 crore rupees to the exchequer in the deal that was signed on 8th of February, 2010, for the supply of VVIP choppers worth approximately 3,726 crore rupees.