Section 2(15) in Assam Notified Urban Areas (Other than Guwahati) Building Rules, 2014
(15)"building height" means the vertical distance measured in the case of flat roofs from the average level of ground around and contiguous to the building, or as decided by Authority, to the terrace of last habitable floor of the building adjacent to external wall 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 gabbles facing the road, the mid-point between the eaves level and the ridge. The 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 street, the height shall be measured above the average level of the ground around and contiguous to the building. For hilly areas, the vertical distance shall be measured from the lower floor level instead of average ground level as applicable in case of plain ;
