New Delhi, July 16 -- The Enforcement Directorate (ED) has filed a first supplementary prosecution complaint against Santanu Sinha Biswas, former DCP of Kolkata Police, and charged him of various offences, including his alleged role in directly or indirectly deriving monetary benefits aggregating at least Rs 2.89 crore from criminal activities related to scheduled offences.

The agency also charged Biswas of utilising Jay S Kamdar, Sun Enterprises Managing Director, as a highly influential proxy and intermediary, who helped manage transfer and posting offers on his behalf and enjoyed massive clout within the police establishment through his association with him.

ED said Biswas "actively interfered in police investigations, thereby exerti...