Section 2(1)(x) in Punjab Urban Planning and Development Authority Building Rules, 2013
(x)"habitable room" means a room having windows and doors of the size of not less than one-tenth of the floor area of the room and designed for use of study, living, sleeping, eating, kitchen excluding bath rooms, water closets compartments, laundries, serving and storage pantries, corridors, attics and spaces which are not used frequently for extended period;