Section 525(2) in Police Regulations, Bengal , 1943
(2)all exhibits kept in the strong box that might possibly be required during his absence. He should obtain a detailed receipt for these and note the fact in the daily undertrial case report. The key of the strong box shall be made over in a sealed cover to the Second Magistrate.The exhibits which are handed over by the Court officer, together with valuables or documents that may be received in the Court during his absence, shall be kept in a second strong, box in the malkhana. The Court officer shall, on return from tour, examine the contents of the second strong box and give a receipt in exchange, noting the fact in his daily report.