Section 66(2) in Kolkata Municipal Corporation Building Rules, 2009
(2)If one of the building exceeds 15.50 m. in height-(a)5.00 m - if height of the other building is more than 12.5 m but less than 15.5 m.(b)4.00 m - if height of the other building is more than 10.0 m but less than 12.5 m(c)3.50 m - if height of the other building is more than 7.0m but less than 10.0 m(d)3.00 m - if height of the other building does not exceed 7.0 m.
