Section 53(2)(v) in West Bengal Municipal (Building) Rules, 2007
(v)the actual area under covered car parking space and area of basement used for car parking only in accordance with the table in rule 52(B)(1) subject to a maximum permissible limit for one car parking space as 25 sq.m for ground floor and 35 sq.m other than ground floor inclusive of all circulation spaces and ramps. However, the area actually covered by the car parking space may be allowed even if the same is more than mandatory requirement. But the covered car parking shall be within the permissible ground coverage;