Section 13 ,of the Hindu marriage Act, 1955 deals with Divorce. A marriage can be dissolved by a decree of divorce on the following grounds wherein the other party -
Has, after the solemnization of the marriage, had voluntary sexual intercourse with any person other than his or spouse; or
Has after the solemnization of the marriage, treated the petitioner with cruelty; or
Has deserted the petitioner for the continuous period of not less than 2 years immediately preceeding the presentation of the petition; or
Has ceased to be a Hindu by conversion to another religion; or
Has been incurably of unsound mind, or has been suffering continuously or intermittently from mental disorder of such a kind and to such an extent that the petitioner cannot reasonably be expected to live with the respondent.
Has been suffering from a virulent or incurable form of leprosy
Has been suffering from veneral disease in a communicable form; or
Has not bei8ng heard of as being alive for a period of 7 years or more by those persons who would naturally have heard of it, had that party been alive.