The Indian side is in the process of hiring a law firm there to present its case in the Italian trial procedures, Government sources said here.
The Law Ministry has been asked to hire the law firm for the case and it has been told that it should be that of good reputation with experience of handling such cases in the past, they said.
The Italian prosecutors are expected to present their case against former CEOs of Finmeccanica and AgustaWestland Guiseppe Orsi and Bruno Spagnolini who were arrested in February this year.
The Italian authorities have also named alleged middlemen including Guido Haschke and Christian Michael for paying bribes to their Indian agents.
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The CBI in India is also investigating the case and has questioned former IAF Chief Air Chief Marshal S P Tyagi and his three cousins for their alleged role in the deal.
A number of companies based in India, Mauritius and Tunisia have also been named by the investigation report for having been allegedly used by the middlemen to route their bribes to Indian agents.
Defence Minister A K Antony took a firm stand on the issue and suspended the payments to the Anglo-Italian firm and put on hold the delivery of any more choppers pending inquiry in the case.
The Defence Ministry also issued a show cause notice to the Italian firm after the scam broke out to initiate the process of cancellation of the contract, which was signed in 2010.