law: Special Marriage Act, 1954 
  22. Restitution of conjugal rights
  When either he husband
  
  or the wife has, without reasonable excuse, withdrawn from the society of he
  
  other, the aggrieved party may apply by petition to the district for
  
  restitution of conjugal rights, and the court, on being satisfied of the truth
  
  of the statements made in such petition, and that there is no legal ground why
  
  the application should not be granted, may decree restitution of conjugal
  
  rights accordingly.
   16  [Explanation:- Where
  
  a question arises whether there has been reasonable excuse for withdrawal from
  
  the society, the burden of proving reasonable excuse shall be on the person who
  
  has withdrawn from the society.]