Section 4(5) in Tamil Nadu District Municipalities (Hill Stations) Building Rules, 1993
(5)No site which would admit storm-water draining into it, owing to its level or location, shall be used for the construction of a building unless arrangements are made to prevent effectively the flooding of the site either by draining into a storm-water course, if one is available, or by raising the level of the site to an adequate height by the deposit of layers of sound and non-perishable material, to the satisfaction of the executive authority.
