Section 169(b) in Police Regulations, Calcutta, 1968
(b)One copy of the statistics shall be forwarded by the Officer-in-charge to the Subdivisional Assistant Commissioner not later than the 7th day of the first month of each quarter. The Subdivisional Assistant Commissioner shall compile the statistics for his subdivision from the figures supplied by the police stations and submit them to the Divisional Deputy Commissioner not later than the 15th day of the month.