Section 46(k) in Police Regulations, Bengal , 1943
(k)He shall keep a tour diary, which shall be submitted to the Superintendent, and a note book, and at the close of each fortnight he shall write to the Superintendent a letter reviewing the situation in his subdivision, and giving all facts and information of interest about what is going on, with his own comments and opinions thereon. The letter should be full and clear but concise, and should not be in a crystallised or official form.
