Section 551(a) in Police Regulations, Bengal , 1943
(a)The personnel of the Railway Police force shall be distributed to "Crime" and "Order" branches, according to the allotment statement, and each branch shall normally be detailed exclusively for its own duties as laid down below. The disposition register shall show each branch separately and when a recruit is enlisted it should be stated in the district order in which branch he is taken. Officers belonging to one branch may be transferred to the other.
