The court had Nov 27, 2013 concluded the recording of statements of 153 people running into 4,400 pages.
Among the CBI witnesses who deposed in the court were former Raja aides, Telecom Regulatory Authority of India ex-chairman Nripendra Misra, former corporate lobbyist Niira Radia, former Reserve Bank of India governor D. Subbarao and DMK chief M. Karunanidhi's wife Dayalu Ammal.
The special court was set up last year on the direction of the Supreme Court.
According to the government auditor, Raja was biased while distributing 2G mobile airwaves and operating licenses to telecom firms, causing a loss of up to Rs.1.76 lakh crore in revenue to the treasury.
All the accused, including Raja, are out on bail.
