CBI has taken the voice samples of its sacked public prosecutor A K Singh and Managing Director of Unitech Sanjay Chandra for matching them with the audio tape purportedly carrying conversation between the two discussing ways to weaken the case.
Sources in the CBI said that the voice samples of both the persons had been taken yesterday and sent for forensic examination along with the CD which purportedly contains their voice samples in which Singh is said to suggest how a key prosecution witness would depose in the special court hearing the 2G case.
The samples have been sent to the Physics department of CFSL which has a very advanced version of computerised Voice Spectrograph used for analysis of Speaker Identification.
The CBI has already registered a Preliminary Enquiry against Singh and Chandra after the agency received the CD, said to been recorded in September last year.
The agency, while taking note of the CD, immediately removed Singh from the case and the CBI Director Ranjit Sinha informed the Supreme Court as well as the Law Ministry about the decision.
Unitech had issued a statement last night rejecting the allegations saying Chandra has never met the prosecutor in the 2G case outside the court or had any phone conversation with him.
Unitech also denied that Chandra's voice was on any alleged recording and said it appeared a fabricated voice recording had been sent anonymously to CBI.
"It is nothing but an attempt to malign him and prejudice his defence in the 2G case," the statement said.