In 1958, theGovt. The Maharashtra Regional and Town Planning Act was passed in 1966 and brought into force in January 1967. According to the 2001 tale, a fifth( 12)( 13) to a third( 14) of the population of municipalised Navi Mumbai lives in slums( 15) and gaothans( civic townlets)( 11) with thousands of structures erected violating planning morals. Thesemulti-nucleated agreements are called bumps in the plan, where the entire development is proposed as a series of bumps threaded out along mass conveyance area. Navi Mumbai on the landmass across the harbour is a major civic development design taken by Government of Maharashatra. ( 16) By the end of the 1990s, the planning authority of Navi Mumbai initiated private participation in the experimental exertion of Navi Mumbai. G. Jha( Chief Planner),( 10) The City and Industrial Development Corporation( CIDCO) was established on 17 March 1971, under the Indian Companies Act, 1956 for this purpose. The physical terrain of the megacity constitutes Land, Climate, Vegetation, timbers, Wildlife, Wetlands, structure, Public services & serviceability, Air pollution situations, Noise situations, Water pollution situations, Community installations & services. These bumps are named Airoli, Ghansoli, Kopar Khairane, Juhu Nagar, Vashi, Sanpada, Nerul, CBD Belapur, Kharghar, Kamothe, New Panvel, Kalamboli, Ulwe, Dronagiri, Taloja, Karanjade.