SIT interrogation ends on Ravi Teja's driver Srinivasa Rao who was questioned over the information given by Ravi Teja during his interrogation yesterday. Sources say that Srinivasa rao was questioned for 3 hours but didn't give proper answers to officers. SIT officers got disappointed with his behaviour while the same thing happened with even Ravi Teja. They expected much more information from Srinivasa Rao but he skipped the questions. Tollywood celebrities co-operated officers initially but later they became resistant and didn't give the information properly.