Effect of other laws.

(1) Save as provided in this Act, the provisions of this Act, the rules and regulations made thereunder shall have effect notwithstanding anything inconsistent therewith contained in any other law for the time being in force. (2) Notwithstanding anything contained in any other law— (a) when permission for development in respect of any land has been obtained under this Act, such development shall not be deemed to be not validly undertaken or carried out by reason only of the fact that the permission, approval or sanction required under such other law for such development has not been obtained; (b) when permission for the development has not been obtained under this Act, such development shall not be deemed to be validly undertaken or carried out by reason only of the fact that permission, approval or sanction required under such other law for such development had been obtained.