Section 354G(3) in The Mumbai Municipal Corporation Act, 1888
(3)Such notice shall-(a)state that the Commissioner on behalf of the Corporation proposes to acquire such land or building or part of a building or to levy a betterment charge in respect thereof for the purpose of or in connection with, an improvement scheme, and(b)require the person so served if he objects to such acquisition or levy of a betterment charge, as the case may be, to state his reasons in writing within thirty days from the date of service of the notice.]