Section 806(n) in Police Regulations, Bengal , 1943
(n)The Principal shall, on receipt of the mark-sheet together with the answer papers from the examiners and the Board, tabulate the marks and forward a list of successful candidates to the Assistant Inspector-General who shall notify the results in the Police Gazette. The answer papers would be preserved in the office of the Principal for a period of six months from the date of publication of the results in the Police Gazette. On an officer's passing the examination the fact shall be noted in his service book.