Section 806(m) in Police Regulations, Bengal , 1943
(m)The practical test in Criminology shall be held at the office of the Police Training College. Those Sub-Inspectors who pass in the written examination are permitted to appear at the practical test. The test shall be conducted by a Board of Examiners composed of the Principal, Police Training College, Special Superintendent, Criminal Investigation Department, Director, Forensic Science Laboratory and another officer of Superintendent of Police's rank to be selected by the Inspector-General.
