Tripura police’s Crime Branch unit on Thursday conducted a number of raids in several parts of the city based on secret information and arrests one more negotiation mafia Raju Barman near Bhagat Singh Hostel, Gorkhabasti area. In the joint raid, the Airport police station also assisted the Crime Branch officials. A case had been lodged against Raju Barman in Airport Police Station No 05/2021. According to police sources, Raju Barman is involved in a graft case pertaining to CPWD tendering. Case was registered in the Airport police station in allegations of tender related misappropriation. A police team led TSR contingent raided the residence of Raju Barman earlier who is the prime accused in the case. Raju Barman and his close accomplice Sajal Sarkar had claimed ransom for dropping a pre-fixed tender for the CPWD bidding.