Security & Investigation Bureau was founded by Rtn. Shyamal Karmakar in January 1988. From its humble single room abode in Lake Town, Kolkata to the present five storey S & IB House, City Office at Sarat Bose Road housing Human Resource & Placement, Training Centre at Kasba and Branch offices at various locations across the country, the Company has traversed an illustrious journey over the last two decades and stands as a symbol of trust. His vision for the Company is driven by a value that a cause must be served and a goal must be reached , notwithstanding the difficulties on the way and he pursues these values with rare humane charm.