Section 302(1) in The Mumbai Municipal Corporation Act, 1888
(1)Every person who intends -(a)to sell or let on lease any land subject to a covenant or agreement on the part of a purchaser or lessee to erect buildings thereon, or(b)to divide land into building plots, or(c)to use any and or permit the same to be used for building purposes, or(d)to make or lay out a private street, whether it is intended to allow the public a right of passage or access over such street or not, shall give written notice of his intention to the Commissioner, and shall, along with such notice, submit plans and sections, showing the situation and boundaries of such building land and the site of the private street (if any) and also the situation and boundaries of all other land of such person of which such building land or site forms a part, and the intended development, laying out and plotting of such building land, and also the intended level, direction, and width the means of drainage of such private street and the height and means of drainage and ventilation of the building or buildings proposed to be erected on the land, and, if any building when erected will not abut on a street then already existing or then intended to be made as aforesaid, the means of access from and to such building.