Section 1179(b) in Police Regulations, Bengal , 1943
(b)Superintendents are competent to entertain sweepers (part or whole-time) required for police lines, police-stations, outposts, etc., without the sanction of any higher authority, provided the charge can be met from their budget grant under the head "Contract contingencies" and the pay does not exceed Rs. 13 per mensem for Calcutta (excluding Alipore) and Rs. 12 per mensem for the rest of the province.