Section 35(b) in Assam Notified Urban Areas (Other than Guwahati) Building Rules, 2014
(b)No building shall be erected on a site liable to flood or on a slope forming an angle of more than 45 degree with the horizontal or on soil unsuitable for percolation unless it is proved by the owner to the satisfaction of the Authority that erection of such a building shall not be dangerous or injurious to health or involve danger from flooding or erosion or cause undue expenditure of public fund in the provision of roads, sewage, sanitation, water supply or other public services.
