Section 936(a) in Police Regulations, Bengal , 1943
(a)Review Order comprises helmet (or pagri with kulla for up-country officers and pill-box cap for Gurkha and Gharwali officers) by day or forage cap with khaki cover by night, khaki jacket, khaki shirt, breeches, khaki tie, boots, put-ties, Sam Browne belt (and swords for Armed Inspectors) with medals and decorations. This uniform will be worn on ceremonial occasions whenever full dress or review order, mounted or dismounted, is ordered.