Section 1182(b) in Police Regulations, Bengal , 1943
(b)An officer whose pay is subject to individual audit and is not less than Rs. 300 per mensem, has the option of drawing his pay partly at the headquarters of the district in which he may be serving and partly at the capital town of the province, subject to the following conditions.(i)Not less than Rs. 100 in any one month shall be drawn outside the district headquarters treasury and all sums drawn in the provincial capital must be in multiples of Rs. 100.(ii)The amount required to be drawn at the provincial capital shall not be altered at intervals of less than 3 months.