The arrestees were identified as Chan Miah alias Pandit, 50, Jahirul Isalm,45, Hamidur Rahman, 45 and Mohammad Delwar Hossain, 25. Chan Miah is known as 'pandit' in his circle for introducing the tactics of robbing people after making them unconscious.

Acting on a tip-off, a team of Detective Branch (DB) of police them.

Chan Miah, during interrogation, said he devised the tactics that are being used by the members of Aggyan Party.

He said he had been involved in this profession for the past 25 years.

A case was filed with Hazaribagh Police Station in this connection.