Government has said, it will leave no stone unturned to bring to justice the corrupt and wrong doers in the Agusta Westland Chopper deal.<br/><br/>In a clarification, the Defence Ministry said in New Delhi that corruption is the core issue in the case and the corrupt will be brought to book. It said, CBI and Enforcement Directorate are vigorously pursuing all aspects of the investigation. It includes the arrests and extradition of three foreign nationals, Carlo Gerosa, Guido Haschke Ralph and Christian Michel James.<br/><br/>Recently, an Italian court had observed that there is a reasonable belief of corruption in the chopper deal. The deal is related to purchase of 12 helicopters for VVIPs from Italian manufacturer, Finmeccanica during the UPA rule.<br/><br/>BJP Chief Amit Shah launched a scathing attack on Congress President Sonia Gandhi over the deal yesterday. He asked the Congress President to reveal the names of those who received kickbacks in the scam.<br/><br/>Congress has demanded that the CBI inquiry should be stepped up in the case. Party leader AK Antony said, the truth should come out and the middleman be punished.