Section 326(1)(a) in West Bengal Municipal Act, 1993
(a)prohibiting the cutting or destroying of trees or shrubs, planting and maintenance of particular kinds of trees or shrubs, prohibiting the making of excavations or removal of soil or quarrying, providing for the alteration, repair and proper maintenance of buildings and compounds, closing of roads and by-paths, and general protection of the surface land on any hillside, where such regulations appear to the Board of Councilors to be necessary for the maintenance of water-supply, preservation of soil, prevention of landslips or of formation of ravines or torrents, and protection of land against erosion or deposit thereon of sand, gravel or stones;