Section 55(3) in Cuttack Development Authority (Planning and Building Standards) Regulations, 2001
(3)Every bathroom or water closet shall(a)be so situated that at least one of its walls shall open to external air and shall have a minimum opening in the form of window or ventilation to the extent of 0.37 square metre;(b)not be directly over or under any room other than another latrine, washing place, bath or terrace unless it has a water tight floor;(c)have the platform or seat made of water tight, non absorbent material;(d)be enclosed by walls or partitions and the surface of every such wall or partition shall be finishing with a smooth impervious material to a height of not less than 1 metre above the floor of such room, and(e)be provided with an impervious floor covering sloping towards the drain with suitable grade and not towards verandah or any; other room.
