Section 2(9) in The Delhi Development Authority (Management And Disposal Of Housing Estates) Regulations, 1968
(9)"common portions" means those portions of the plot or premises which are in common use and includes the lands, gateway, enclosure, compound walls, parks, open ground, passages, corridors staircases, fitting, fixture, lite, if any, any installation whether for water supply or drainage or lighting or any other purpose and all such facilities which are used or intended to be used in common;
