law: Hindu Marriage Act, 1955
  12. Voidable marriages.-
  (1) Any marriage solemnized, whether before or after the commencement
  
  of this Act, shall be voidable and may be annulled by a decree of nullity on
  
  any of the following grounds, namely:-
  (a) that the respondent was impotent at the
  
  time of the marriage and continued to be so until the institution of the
  
  proceedings; or
  (b) that the marriage is in contravention of
  
  the condition specified in clause (ii) of section 5; or
  (c) that the consent of the petitioner, or
  
  where the consent of the guardian in marriage of the petitioner is required
  
  under section 5, the consent of such guardian was obtained by force or fraud;
  
  or
  (d) that the respondent was at the time of the
  
  marriage pregnant by some person other than the petitioner.
  (2) Notwithstanding anything contained in sub-section (1), no
  
  petition for annulling a marriage-
  (a) on the ground specified in clause (c) of
  
  sub-section (1) shall be entertained if-
  (i) the petition is presented more than one
  
  year after for force had ceased to operate or, as the case may be, the fraud
  
  had been discovered; or
  (ii) the petitioner has, with his or her full
  
  consent, lived with the other party to the marriage as husband or wife after
  
  the force had ceased to operate or, as the case may be, the fraud had been
  
  discovered;
  (b) on the ground specified in clause (d) of
  
  sub-section (1) shall be entertained unless the court is satisfied-
  (i) that the petitioner was at the time of the
  
  marriage ignorant of the facts alleged;
  (ii) that proceedings have been instituted in
  
  the case of a marriage solemnized before the commencement of this Act within
  
  one year of such commencement and in the case of marriages solemnized after
  
  such commencement within one year from the date of the marriage; and
  (iii) that marital intercourse with the
  
  consent of the petitioner has not taken place since the discovery by the petitioner
  
  of the existence of the grounds for a decree.