Section 68(c) in Kolkata Municipal Corporation Building Rules, 2009
(c)Notwithstanding anything contained in rule 63,64,65 the front open space is 3.50 m. or more, gate goomty not exceeding a height of 3.0 m. and an area of 9.0 sq. m. for security purposes may be allowed on the said open space. Such goomty shall be so located as not to obstruct vehicular movement from the means of access to the side or rear open spaces and shall be exempted from the provisions of rules 63, 64, 65 One such gate goomty will be allowed for every 2000 sq. m of land area;
