Section 805(c) in Police Regulations, Bengal , 1943
(c)All Sub-Inspectors except Sub-Inspectors of the Town Police and Special Armed Force whose mother-tongue is Bengali will be required to pass the following colloquial test in Hindi provided they have not passed it at the Police Training College :-(i)Making a precis in Bengali of a Hindi paper read out to them.(ii)Dictating orders in Hindi on such a paper.(iii)Conversing correctly and with facility in Hindi with two or three Indians on subjects with which they have official concern.
