Section 732(3)(vii) in Police Regulations, Bengal , 1943
(vii)The procedure on parade will be as laid in the Manual of Drill for the Bengal Police except when regular troops or the Eastern Frontier Rifles are also on parade, in which case the District Armed Police will conform as far as practicable with the existing Army Ceremonial Drill. Whenever a parade is held, the Superintendent shall inform the Commissioner, District Magistrate, District Judge and other gazetted officers in the station as well as the leading gentlemen of the town and neighbourhood several days beforehand of the time and place of the parade and invite them to be present.