Section 275(b) in Police Regulations, Bengal , 1943
(b)The form shall be written in triplicate every final report being given an annual serial number. One copy will be kept at the police-station and filed with the case diaries on receipt of the final memorandum and the other two copies will be sent to the Circle Inspector, the actual date and hour of despatch being entered on all the three copies. The Circle Inspector will attach one copy to his copy of the case diaries and forward the other to the Magistrate with his remarks and recommendations. [See regulation 196],