Section 61(a) in The Mumbai Municipal Corporation Act, 1888
(a)the construction, maintenance and cleansing of drains and drainage works, and of public latrines, urinals and similar conveniences;(aa)[ planning for economic and social development; [Clauses (aa) and (ab) were inserted by Maharashtra 41 of 1994, Section 35.](ab)urban forestry, protection of environment and promotion of ecological aspects];
