Section 377(i) in Police Regulations, Bengal , 1943
(i)The collection and communication of intelligence on all matters of public importance is one of the principal duties of the police, and the manner in which this duty is performed by an officer-in-charge of a station will generally be manifested in his general diaries. Officers shall, therefore, endeavour to render their diaries as complete, but at the same time as concise, as possible.
