Section 221(a) in Police Regulations, Bengal , 1943
(a)Station masters shall, at the request of any police officer in uniform or in plain clothes, on production of his detective warrant or platform pass or any other proof of his being a police officer -(i)receive any message to be telegraphed on requisition in B.P. Form No. 20;(ii)issue a ticket for journey by train on requisition in B.P. Form No. 21 without prepayment of fare.
