Section 565(b) in Police Regulations, Bengal , 1943
(b)A Railway Police officer shall do everything in his power to act in harmony with the Railway administration to which he is attached, and shall always pay deference to a request made by a responsible railway official. In doubtful cases, he shall comply, if possible, with the request, reporting the matter at the same time to his official superior. The Inspector-General shall be the final authority, so far as the police are concerned and he will, if necessary, refer doubtful points to the Provincial Government for orders.