Section 598(a) in Police Regulations, Bengal , 1943
(a)Bills on account of the travelling expenses and diet of prisoners in police custody and the cost of conveyance of stolen property and other articles shall be submitted monthly by station officers to the Superintendent of Railway Police for counter signature. After countersignature, the Superintendent shall return them to the station officer who will send them for payment direct to the Magistrate within whose jurisdiction the railway police-station is situated.