Section 1145(2)(j) in Police Regulations, Bengal , 1943
(j)The pass books of officers employed in subdivisions shall remain with the Circle Inspector and those of officers employed elsewhere with the head -of the office. The head of the office or the Circle Inspector, as the case may be, shall see that the monthly instalments are deducted from the pay of the officers concerned and deposited in the local Post Office Savings Bank. When the full amount of the deposits has been paid, the pass-books shall be kept in the cash chest in the headquarters office.