Section 1101(c) in Police Regulations, Bengal , 1943
(c)On receipt of the final memo, the papers in connection with a case (e.g., duplicates of final form, chargesheet, First Information Report, case diaries, etc.) shall be filed together with a docket slip showing what papers the file contains. The year in which the file is to be destroyed shall be noted on it conspicuously in red ink.
