Section 684(a) in Police Regulations, Bengal , 1943
(a)All available force at headquarters shall be drilled every morning except Thursday and on holidays. The Superintendent shall prepare a weekly programme of the drill and exercises, including games, to be performed each day, and of the instructional and other lectures to be given. Riot drill shall be practised frequently and route marches undertaken occasionally. When outdoor work is impracticable, indoor instruction in the treatment of arms and ammunition should be substituted.
