law: Hindu Marriage Act, 1955
  13.Divorce.-
  (1) Any marriage solemnized, whether before or after the
  
  commencement of this Act, may, on a petition presented by either the husband or
  
  the wife, be dissolved by a decree of divorce on the ground that the other
  
  party-
  (i) is living in adultery; or
  (ii) has ceased to be a Hindu by conversion to
  
  another religion; or
  (iii) has been incurably of unsound mind for a
  
  continuous period of not less than three years immediately preceding the
  
  presentation of the petition; or
  (iv) has, for a period of not less than three
  
  years immediately preceding the presentation of the petition, been suffering
  
  from a virulent and incurable form of leprosy; or
  (v) had, for a period of not less than three
  
  years immediately preceding the presentation of the petition, been suffering
  
  from venereal disease in a communicable form; or
  (vi) has renounced the world by entering any
  
  religious order; or
  (vii) has not been heard of as being alive for
  
  a period of seven years or more by those persons who would naturally have heard
  
  of it, had that party been alive; or
  (viii) has not resumed cohabitation for a
  
  space of two years or upwards after the passing of a decree for judicial
  
  separation against that party; or
  (ix) has failed to comply with a decree for
  
  restitution of conjugal rights for a period of two years or upwards after the
  
  passing of the decree.
  (2) A wife may also present a petition for the dissolution of
  
  her marriage by a decree of divorce on the ground,-
  (i) in the case of any marriage solemnized
  
  before the commencement of this Act, that the husband had married again before
  
  such commencement or that any other wife of the husband married before such
  
  commencement was alive at the time of the solemnization of the marriage of the
  
  petitioner:
  Provided that in either case the other wife is
  
  alive at the time of the presentation of the petition; or
  (ii) that the husband has, since the
  
  solemnization of the marriage, been guilty of rape, sodomy or bestiality.