Section 95(9) in West Bengal Municipal (Building) Rules, 2007
(9)"height of building or building height of means the vertical distance, measured in the case of flat roofs, from the Road crown top level or 15 cm above of the Kerb Stone of the adjoining road, whichever is higher, to the highest point of the building and, in the case of pitched roofs, up to the point where the external surface of the outer wall intersects the finished surface of the sloping roof and, in the case of gables facing the road, the mid-point between the eaves level and the ridge.Explanation. Architectural features serving no other function except that of decoration shall be excluded for the purpose of taking heights. If the building does not abut on a street, the height shall be measured above the average level of the ground around and contiguous to the building;
