law: Indian Post Office Act, 1898 
  44. Power for remitter to recall money order or alter name
  
  of payee
  (1) Subject to such
  
  conditions as the Central Government may, by rules made under section 43,
  
  prescribe in respect of the levy of additional rates of commission or fees or
  
  any other matters, a person remitting money through the Post Office by means of
  
  a money order may require that the amount of the order, if not paid to the
  
  payee, be repaid to him, or be paid to such person other than the original
  
  payee as he may direct.
  (2) If neither the
  
  payee nor the remitter of a money order can be found, and if within the period
  
  of one year from the date of the issue of the order no claim is made by such
  
  payee or remitter, the amount of such order shall not be claimable from the
  
  Government.