Section 153(b) in Police Regulations, Calcutta, 1968
(b)Excepting books and registers containing printed page numbers, all books and registers as also printed pages of railway warrants, pay and receipt cheque books shall be consecutively numbered by the Forms clerk of the Calcutta Police Directorate, who shall also certify on the inside of the covers that this has been done stating the number of pages the book or register, as the case may be, contains and the certificates shall also be attested by the Office Superintendent, Calcutta Police Directorate.