Section 805(g) in Police Regulations, Bengal , 1943
(g)In the case of the examinations under clauses (b) and (c) 100 marks shall be allotted for conversation and 50 for each of the other subjects. Half marks must be obtained in order to qualify and the examination shall be held at the headquarters of the respective districts by the Range Deputy Inspector-General at the time of his inspection. The date, time and place of the examination will be previously intimated by the Deputy Inspector-General to the Superintendent for the information of all officers liable to pass the examination.