Section 790(c) in Police Regulations, Bengal , 1943
(c)Each probationer shall be attached for the specified periods to the following offices in order to learn the actual details of the work. Whilst so employed he shall make himself thoroughly acquained with the duties which appertain to the different offices. Each probationer shall devote four hours daily to the different duties enumerated below ; and the rest of the day will be at his disposal to study languages and law, if he has not already passed the departmental examination.
