In a joint operation by the National Security Intelligence (NSI) Agency and RAB, the mastermind of a fraud gang and his aid were arrested from the capital's Banani on Monday.
Shri Haridas Chandra Taranidas, 34, son of Shri Gopinath of Bogura's Shibganj and Md Imran Mehdi Hasan, 38, son of Md Saiful Islam of Mymensingh's Trishal.
Shri Haridas Chandra is a converted Muslim and he changed his name to Tawhid Islam after converting to Islam.
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The law enforcers also seized 4 mobile sets and various documents used in fraudulence from their possession.
Tipped off, a team of NSI and Rab-3 conducted a joint drive in the area and arrested the accused, said a media statement of RAB.
During primary interrogation, the arrestees confessed to their involvement in fraudulent activities for a long time. The nature of the alleged crimes has not been explained.
Legal action is underway against the arrestees, RAB said.