Section 1060(b) in Police Regulations, Bengal , 1943
(b)District Magistrate are empowered to pay such rewards at their discretion up to a limit of Rs. 250 in each case, and up to Rs. 500 with the previous sanction of the Commissioners of Divisions. Proposals for the payment of rewards exceeding Rs. 500 shall be submitted through the Commissioners of Divisions for the sanction of the Provincial Government.