law: Indian Post Office Act, 1898 
  12. Recovery of postage and other sums due in respect of
  
  postal articles
  If any person refuses
  
  to pay any postage or other sum due from him under this Act in respect of any
  
  postal article, the sum so due may, on application made by an officer of the
  
  Post Office authorized in this behalf by the written order of the Post Master
  
  General, be recovered for the use of the Post Office from the person so
  
  refusing, as if it were a fine imposed under this Act, by any Magistrate having
  
  jurisdiction where that person may for the time being be resident; and the Post
  
  Master General may further direct that any other postal article, not being on 12[Government]
  
  service, addressed to that person shall be withheld from him until the sum so
  
  due is paid or recovered as aforesaid.