Section 997(ix) in Police Regulations, Bengal , 1943
(ix)Ammunition in the magazine shall be kept on trestles, well-raised off the ground. The boxes shall be kept apart to prevent dry rot and for prompt detection of the presence of white-ants. The legs of all such trestles should be treated with mortant or other such preparation or inserted in containers of water so that white-ants cannot crawl up to the trestles.