The officer is now back in Italy for the important hearings this week in the case against the alleged middleman Guido Haschke there.
Italy is carrying out a separate investigation in the case.
Facing threat of cancellation of its deal, AgustaWestland had invoked the arbitration clause in the contract for supplying 12 VVIP choppers to the Air Force and nominated Srikrishna on its behalf.
A team of its officials had also met Defence Ministry officials to present its case in the chopper scam and denied any wrongdoing on its behalf.
The Defence Ministry has taken a stand against arbitration clause saying it does not apply to the pre-contract integrity pact which is signed by the ministry with its vendors.
Antony has already asserted that the firm had violated contractual obligations, for which the government had initiated action against it.
