Section 144F(7) in The Mumbai Municipal Corporation Act, 1888
(7)Every rule made under this section shall be laid, as soon as may be, after it is made, before each House of the State Legislature while it is in session for a total period of thirty days which may be comprised in one session or in two or more successive sessions, and if, before the expiry of the session in which it is so laid or the session or sessions immediately following, both Houses agree in making any modification in the rule or both Houses agree that the rule should not be made, and notify such decision in the Official Gazette, the rule shall, from the date of publication of such notification, have effect only in such modified form or be of no effect, as the case may be; so, however, that any such modification or annulment shall be without prejudice to the validity of anything previously done or omitted to be done under that rule.Explanation. - For the purposes of this section, the term "notified project" means a Vital Important Urban Transport Project related to Mass Rapid Transport System such as Metro Rail, Mono Rail, Bus Rapid Transport System and includes Freeway, Sea-link, etc., in respect of which the State Government has, by notification in the Official Gazette, declared its intention to undertake such project either by itself or through the planning authority, a New Town Development Authority, and other statutory authority, an agency owned and controlled by the Central Government or the State Government or a Government Company incorporated under the provisions of the Companies Act, 2013 or any other law relating to companies for the time being in force.]