"His affidavit opposing a CBI inquiry proves the good relations between him and the state government. That is why Sudipta Sen is saying in his affidavit what the state government has been saying all these days," Sinha said.
Sinha also demanded round-the-clock CCTV surveillance on Sen.
"We are worried about Sudipta's security as we are apprehensive that he might be killed to save the big fish involved. We want a 24/7 CCTV surveillance of Sudipta's cell," Sinha said.