Section 3(1) in Calcutta Slum Clearance and Rehabilitation of Slum-Dwellers Act, 1958
(1)"hut" means any structure, no substantial part of which, excluding the walls up to a height of eighteen inches above the floor or floor-level is constructed of masonry, reinforced concrete, ferro-concrete, cemented brick-work, steel, iron or other metal, or any combination of these materials;
