The Supreme Court is scheduled to pronounce verdict on Friday on the CBI application seeking vacation of the order which granted interim protection from arrest to former Kolkata Police Commissioner Rajeev Kumar in the Saradha chit fund scam. The CBI had told the top court that it wanted custodial interrogation of Mr Kumar, who was earlier heading West Bengal Police SIT probing chit fund scam, as there was prima facie evidence of his allegedly trying to destroy or tamper with evidence and "shield high and mighty" in the case.