Section 110(2) in West Bengal Municipal (Building) Rules, 2007
(2)One cantilever verandah from first floor upward projecting up to property line may be allowed only on the frontage and side facing the roads (for corner plots only). This projection may be extended up to 0.5 m (1'-8") on the wider and narrower side spaces also, provided that the permissible limit of FAR is not exceeded and that the width of such verandah shall not exceed 2.5 m (8'-2"). Weather boards made either of concrete or pierced concrete or grill or glass or louvres or wood may be allowed to come down from second floor upwards up to the top level of windows in case of weather board from first floor, the clear gap between the bottom of weather board and plinth level shall be at least 8'-0". Only grills will be permitted to connect the above weather boards to the verandah railings on each of the floors and no window or solid wall shall be allowed. Verandah railings may be taken up to a maximum height of 1.25 m (4'-1"), provided that the solid part of it, if so constructed is limited to a height of 1 m (3'-4") :Provided that in any co-operative building on any plot of 5 K or above, a cantilever verandah from ground floor and upwards projecting up to the property line may be allowed on frontage and side facing roads (for corner plot only) but under no circumstances shall any verandah projection be less than 2.4 m in clear height from ground level and that permissible limit of F.A.R. is not exceeded.