law: Parsi Marriage and Divorce Act, I936 
  32. Grounds for divorce
  Any married person may
  
  sue for divorce on any one or more of the following grounds, namely:-
  (a) that the marriage
  
  has not been consummated within one year after its solemnization owing to the
  
  willful refusal of the defendant to consummate it;
  (b) that the defendant
  
  at the time of the marriage was of unsound mind and has been habitually so up
  
  to the date of the suit:
  Provided that divorce shall not
  
  be granted on this ground, unless the plaintiff (1) was ignorant of the fact at
  
  the time of the marriage, and (2) has filed the suit within three years form
  
  the date of the marriage;
   12  (bb) that the defendant
  
  has been incurably of unsound mind for a -period of two years or upwards
  
  immediately preceding the filing of the suit or has been suffering continuously
  
  or intermittently from mental disorder of such kind and to such an extent that
  
  the plaintiff cannot reasonably be expected to live with the defendant.
  Explanation.- In this clause,-
  (a) the expression
  
  "mental disorder" means mental illness, arrested or incomplete
  
  development of mind, psychopathic disorder or any other disorder or disability
  
  of mind and includes schizophrenia,
  (b) the expression
  
  "psychopathic disorder" means a persistent disorder or disability of
  
  mind (whether or not including sub normality of intelligence) which results in
  
  abnormally aggressive or seriously irresponsible conduct on the part of the
  
  defendant, and whether or not it requires or is susceptible to medical
  
  treatment;]
  (c) that the defendant
  
  was at the time of marriage pregnant by some person other than the plaintiff:
  Provided that divorce shall not
  
  be granted on this ground, unless (1) the plaintiff was at the time of the
  
  marriage ignorant of the fact alleged, (2) the suit has been filed within two
  
  years of the date of marriage, and (3) marital intercourse has not taken place
  
  after the plaintiff came to know of the fact;
  (d) that the defendant
  
  has since the marriage committed adultery or fornication or bigamy or rape or
  
  an unnatural offence:
  Provided that divorce shall not
  
  be granted on this ground, if the suit has been filed more than two years after
  
  the plaintiff came to know of the fact;
   12  [(dd) that the
  
  defendant has since the solemnization of the marriage treated the plaintiff
  
  with cruelty or has behaved in such a way as to render it in the judgment of
  
  the Court improper to compel the plaintiff to live with the defendant:
  Provided that in every suit for
  
  divorce on this ground it shall be in the discretion of the Court whether it
  
  should grant a decree for divorce or for judicial separation only;]
  (e) that the defendant
  
  has since the marriage voluntarily caused grievous hurt to the plaintiff or has
  
  infected the plaintiff with venereal disease or, where the defendant is the
  
  husband, has compelled the wife to submit herself to prostitution;
  Provided that divorce shall not
  
  be granted on this ground, if the suit has been filed more than two years (i)
  
  after the infliction of the grievous hurt, or (ii) after the plaintiff came to
  
  know of the infection, or (iii) after the last act of compulsory prostitution.
  (f) that the defendant
  
  is undergoing a sentence of imprisonment for seven years or more for an offence
  
  as defined in the Indian Penal Code:
  Provided that divorce shall not
  
  be granted on this ground, unless the defendant has prior to the filing of the
  
  suit undergone at least one year's imprisonment out of the said period;
  (g) that the defendant
  
  has deserted the plaintiff for at least 2[two years];
  (h) that 17[***]
  
  an order has been passed against the defendant by a Magistrate awarding
  
  separate maintenance to the plaintiff, and the parties have not had Marital
  
  intercourse for 16[one year] or more since such decree or order;
   18  [***]
  (i) that the defendant
  
  has ceased to be a Parsi 12[by conversion to another religion]:
  Provided that divorce shall not
  
  be granted on this ground if the suit has been filed more than two years after
  
  the plaintiff came to know of the fact.