Section 643(a) in Police Regulations, Bengal , 1943
(a)The principal duties of the bureau are -(i)to test, classify, index and arrange slips received for record;(ii)to search slips received for search and communicate results;(iii)to intensify prints on exhibits received and have photoprints taken for comparison;(iv)to examine and test all work connected with the finger-print system at central and district jails.(v)to eliminate slips in accordance with the provisions of regulation 646.
