The Patna Police, on Sunday, have shown as arrested four of the ten people, who were detained from two different places in Kolkata in connection with the murder of a gangster, Chandan Mishra, in a Patna hospital recently. The four shown as arrested on Sunday by Patna Police include one of the prime accused, Tauseef a.k.a. Badshah, his associate Nishu Khan, and two others.