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Shares in Unitech slumped more than 20% after reports on CNN-IBN and in the Times of India that CBI senior prosecutor AK Singh is suspected to have discussed the case with Chandra in a recorded conversation, reports Unitech strongly denied.
CBI spokeswoman Dharini Mishra told Reuters that Singh was under internal investigation after the agency received a compact disc from an anonymous source on February 6. She said the CBI was investigating the authenticity of the recording.
Unitech is a real estate developer that had a mobile phone joint venture with Norway's Telenor that was among those whose licences were revoked by a court following the high profile licensing scandal.
Telenor is in the process of dissolving the joint venture.
The two media reports said the recording was suspected to be of Singh coaching Chandra about how to deal with CBI investigators probing irregularities in the allocation of 2G airwaves.
Unitech issued a statement calling the recording fabricated.
"He (Chandra) wishes to make it absolutely clear that he has never met the prosecutor in the 2G case outside of Court or had any phone conversation with him," Unitech said.
"He denies the suggestion that his voice is on any alleged recording. It appears a fabricated voice recording has been sent anonymously to the CBI. Any suggestion that Sanjay Chandra is linked with this recording is nothing but an attempt to malign him and prejudice his defence in the 2G case."
