The CID has completed its 23-year investigation into a re-evaluation scam at Rani Durgavati University in MP. Bhopal (Madhya Pradesh): The investigation conducted by the Criminal Investigation Department (CID) into a re-evaluation scam at Rani Durgavati University (RDVV) in Jabalpur dating back over two decades has finally concluded. It took a full 23 years to complete.