53. Effect of other laws.- (1) Nothing in this Act shall affect the operation of the Slum Areas (Improvement and Clearance) Act, 1956. (2) Save as otherwise provided in sub-section (4) of section 30 or subsection (8) of section 31 or sub-section (1) of this section, the provisions of this Act and the rules and regulations made thereunder shall have effect notwithstanding anything inconsistent therewith contained in any other law. (3) Notwithstanding anything contained in any such 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 unlawfully undertaken or carried out by reason only of the fact that permission, approval or sanction required under such other law for such development has not been obtained; (b) when permission for such development has not been obtained under this Act, such development shall not be deemed to be lawfully undertaken or carried out by reason only of the fact that permission, approval or sanction required under such other law for such development has been obtained. | 
