Section 1075(5) in Police Regulations, Bengal , 1943
(5)Miscellaneous.(b)When a letter is entered to which no reply is required, the letters "N. R." should be prominently entered in column headed "Number and date of reply, etc." This entry will be made after the Superintendent has passed orders on the letter. In the column showing the subject-matter, a precise of a letter of which a copy is kept is not required, but only an indication of its contents sufficient for its identification. In the case of a letter in half-margin form of which no copy is kept, the precise may be fuller.If a paper on receipt is forwarded in original, it shall be entered in this register as well as in the issue register.
