Section 1035(d) in Police Regulations, Bengal , 1943
(d)(i)To keep the police force reasonably free from malaria Paludrine parade should be held in all police-stations or outposts situated in malarious areas to ensure compulsory ingestion of Paludrine at regular intervals by each member of the force posted in such stations. Such parade should be held once or twice a week as the Superintendent of Police of the district concerned may consider proper during the malaria season from the 1st July to the 31st December of each year. One tablet of Paludrine (300 mg.) should be handed over to each member of the force attending the parade in the case of a weekly parade or one tablet (100 mg.) to each in the case of a bi-weekly parade and the officer presiding over the parade should see that the tablet is actually taken. The tablets should not be taken on empty stomach.(ii)When a person is transferred from a malarious to a healthy station in the midst of the malaria season,, he should preferably be kept under the same paludrine regime till the end of December.