Anjos also said that Michel is living in Dubai and is willing to speak the "truth".
"He has arrest warrant and that is why he can't go to India. He is not free to go. He would like to go and answer everything and tell the truth but not with arrest warrant," Anjos told Times Now channel from Milan.
She said Michel is available to answer all questions in front of a judge but he must be assured that he is not going to be arrested.
The controversial deal and the alleged bribes to the tune of Rs 120 crore paid in clinching it for AgustaWestland, a subsidiary of Italian defence giant Finmeccanica, has triggered a political slugfest between BJP and Congress.
CBI questioned former IAF chief S P Tyagi for the second day today in connection with the VVIP chopper deal.
CBI had in 2013 registered a case in connection with alleged bribes paid by the firm to Indians to clinch the deal for 12 helicopters to ferry VVIPs including the President and Prime Minister.