Hindu Succession Act, 1956
4. Overriding effect of Act
(1) Save as otherwise expressly provided in this Act,-
(a) any text, rule or interpretation of Hindu law or any custom or usage as part of that law in force immediately before the commencement of this Act shall cease to have effect with respect to any matter for which provision is made in this Act;
(b) any other law in force immediately before the commencement of this Act shall cease to apply to Hindus insofar as it is inconsistent with any of the provisions contained in this Act.
(2) For the removal of doubts it is hereby declared that nothing contained in this Act shall be deemed to affect the provisions of any law for the time being in force providing for the prevention of fragmentation of agricultural holdings or for the fixation of ceilings or for the devolution of tenancy rights in respect of such holdings.