Former communications minister A Raja, presenting his defence for the second time in a special trial court, He said he would get Prime Minister Manmohan Singh, Home Minister and former finance minister P Chidambaram and Communications Minister Kapil Sibal as witnesses to prove the government did not incur any loss due to the controversial allocation of 2G spectrum in 2007-08. 

Tuesday, DMK MP Kanimozhi, also lodged in prison in connection with the 2G scam, had argued the Prime Minister must be summoned as a witness.