''Whereas it is expedient to amend the Hindu Law relating to exclusion from inheritance of certain classes of heirs, and to remove certain doubts ; It is hereby enacted as follows :_ This Act shall not apply to any person governed by the Dayabhaga School of Hindu Law; 2. Notwithstanding any rule of Hindu Law or custom to the contrary, no person governed by the Hindu Law, other than a person who is and has been from birth a lunatic or idiot, shall be excluded from inheritance or from any right or share in joint-family property by reason only of any disease, deformity, or physical or mental defect...''