Section 752(b) in Police Regulations, Bengal , 1943
(b)Register of candidates. - Every candidate's name shall be entered in a register in B. P. Form No. 151 in which his left thumb impression shall be taken. The register shall be sent with the recruits to the examining medical officer in which he shall take a similar impression on the corresponding side and the two impressions shall be compared. No man shall be enlisted unless the examining medical officer passes him as fit. Only selected recruits shall be sent and no charge shall be made for a medical certificate in their case.
