Hyderabad, June 15 -- The Special Investigation Team (SIT) of the Telangana police on Saturday questioned former Special Intelligence Bureau chief T Prabhakar Rao, the prime accused in the telephone tapping case during the previous Bharat Rashtra Samithi government, people familiar with the matter said. Prabhakar Rao appeared before the investigating officers at the Jubilee Hills police station in Hyderabad. "The SIT authorities confronted him with the statements given by previously interrogated suspects, including former deputy superintendent of police D Praneeth Rao, retired deputy commissioner of police P Radha Kishan Rao and additional superintendents of police N Bhujanga Rao and M Thirupathanna, to extract concrete answers," an official privy to the development said. These officials had earlier deposed before the SIT that they had acted on the instructions of Prabhakar Rao, who was heading the SIB, he said....