Section 29 Of Hindu Marriage Act, 1955

1) It states about the marriages performed before the Hindu Marriage Act, 1955. All these marriages can not be considered invalid only on the basis that both the partners belong to the same gotra or, different religions or, sub-divisions of the same caste.

2) This act does not affect the custom rights or special laws for the dissolution of Hindu Marriages (even if the Hindu Marriage is performed before or after the commencement of the Act). 

3) This act should affect the proceedings under any law for the time that is being forced for stating any marriage to be null and void, pending for the commencement of this Act, and any such proceeding may be continued as if this Act were not passed.

4) This Act will not affect the provisions in the Special Marriage Act, 1954 ( Before or, after the commencement of the act).