Construction of additional floor in residential building

24D Where, under the provisions of this Act or the rules made thereunder or under the provisions of any other law for the time being in force regulating the construction of a residential building, which has been enacted under Entry 5 of the State List of the Seventh Schedule to the Constitution of India, or under any rules, regulations, or bye-laws made thereunder, construction of less than three floors is permissible, then, notwithstanding anything contained in the former Act or law or rules or regulations or bye-laws, it shall be permissible to construct a plan for one additional floor in such residential building, subject to the approval under the aforementioned Act or law.