The transcripts of the telephone calls were handed over to the Defence Ministry, which has been made as an "affected party" by the Italian prosecutors, official sources said here today. They have since been given to the CBI.
The transcripts were in Italian language and the CBI was busy translating the same so that a follow up action could be taken, the sources said.
According to Italian rules, all documents durign any probe have to be shared with the affected parties.
The supply of 12 VVIP Helicopters from AgustaWestland had come under scanner after Italian authorities alleged that the bribe money was given by the company to clinch the deal.
The Italian prosecutor, who carried out the preliminary enquiry, alleged that CEO of Finmeccanica, parent company of UK Based AgustaWestland, had used services of middlemen to distribute bribes in India.