Former Jubo League leader Ismail Hossain Chowdhury Samrat, an alleged kingpin of the illegal casino business in Dhaka, was taken to the office of Rab-1 today for interrogation in connection with two cases filed under the arms and narcotics control acts. Samrat’s alleged accomplice Enamul Haque Arman was also taken at the same office for the same purpose, Mizanur Rahman, senior