CBI sources said the agency is scrutinising material about the allegations and a final call to register a preliminary enquiry or an FIR will be taken once a prima facie case is made out.
In 2013, Tata Sons had joined hands with Malaysian carrier AirAsia and Arun Bhatia's Telestra Tradeplace to start low cost carrier AirAsia India. The carrier had to wait for nine months before taking off.
Tata Sons owned 51 per cent stake in the carrier, which has been christened as Vistara, with Singapore Airlines holding the rest.
In October last year, flagging "ethical concerns" in Tata Group's joint venture with AirAsia, its ex-Chairman Cyrus Mistry had claimed a forensic investigation had revealed fraudulent transactions of Rs 22 crore involving non-existent entities in India and Singapore.
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"AirAsia India has not heard from the CBI. Should we receive a call from CBI, AirAsia India will furnish all information that they seek. As you are aware, the airline has already put it in the public domain that it is pursuing the ongoing investigation. AirAsia India subsequently filed a private complaint with the Bangalore police in this regard," AirAsia spokesperson said in a statement.
In a letter written to the Board members of Tata Sons a day after he was ousted on October 24, Mistry said, "Board members and trustees are also aware that in the case of AirAsia, ethical concerns have been raised with respect to certain transactions as well as overall prevailing culture within the organisation."
"A recent forensic investigation revealed fraudulent transactions of Rs 22 crore involving non-existent parties in India and Singapore," it said.
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