Members of Rapid Action Battalion (Rab) arrested the leader of a fraud gang in Chanpur area in Adarsha Sadar upazila on Friday night.
The arrestee is Kamal Ahmed, son of late Abdur Rahim of the area.
Following complaints by some victims, a Rab team conducted a drive in the area and arrested the gang leader Kamal, said Major Talukder Najmus Sakib, company commander, Rab-11.
The gang used to embezzle money from Bkash account holders using identities and names of different government agencies, he added.
The Rab team seized a mobile phone set used for embezzling money and two cheque books from the spot.