Section 2(53) in New Town Kolkata Planning Area (Building) Rules, 2014
(53)"open space" means an area, forming an integral part of the plot at ground level and shall be open to the sky without any projection or overhang excepting cornices, chajjas or weather shades of not more than 600 mm width, which may be designated in different manner as follows:-(i)"open space of a building" means an open space at ground level forming an integral part of the plot between the extreme face of the building and the nearest boundary line of the plot. Marginal open space along the entire front face or rear face or the side faces of the building shall be designated as front open space, rear open space and side open spaces respectively. For this purpose, the front of the building shall be that face of the building which faces the means of access of the building and the rear of a building shall be deemed to be that face of the building, which is the farthest from the means of access;(ii)"public open space" means any open space which is open to the use and enjoyment of the public, whether it is actually used or enjoyed by the public or not and whether the entry is regulated by charge or not;(iii)"green open space" means an area open to sky and left uncovered so that greenery can grow as well as surface water can percolate underground;
