Section 344A(b) in Police Regulations, Bengal , 1943
(b)On receiving such a roll the officer-in-charge of a police-station shall at once return it with complete information regarding the individual in question, if he is a resident of that station; while, if he is not a resident, the roll shall be returned with a statement to that effect. In such case the officer who issued the roll must take all possible steps to discover the identity of the stranger.