Kolkata: The CID has taken into custody Roshan Singh alias Tantia, who is considered close to gangster Subodh Singh. They will now seek his police custody so that they can question Roshan along with Subodh. CID sources said it was Roshan who had called up businessman Tapas Bhagat and threatened him. He is also one of the co-accused in the Manish Shukla murder case.TNN