Section 184(2) in Siliguri Municipal Corporation Act, 1990
(2)When any verandah, platform, building or other structure or any fixture attached to a building so as to form part of the building (whether erected before or after the commencement of this Act) causes a projection, encroachment or obstruction over or on any public street or other public place vested in the Corporation, the Chief Executive Officer, in accordance with such regulations as may be made by the Corporation, may, by a written notice, require the owner or the occupier of the building to remove or alter such verandah, platform, building or other structure or fixture.