Section 284L(2) in The Bombay Provincial Municipal Corporations Act, 1949
(2)Where the Commissioner acquires any building which can be made suitable as a building for the poorer classes or an estate or interest in such a building, he shall forthwith proceed to secure the alterations, enlargement, repair or improvement of the building, either by himself executing any necessary works, or by leasing or selling it to some person subject to conditions for securing that he will alter, enlarge, repair or improve it.