Section 493(b) in Police Regulations, Bengal , 1943
(b)The finger-print slips of undertrial prisoners sent up by the Railway Police shall be prepared and submitted for search by the District Police Court officers attached to the Courts to which prisoners are sent up except that the finger-print slips of prisoners sent up by the Railway Police to the Sealdah Police Court and Howrah Court shall be prepared and sent by the Railway Police Court officers posted to those Courts.