law: Indian Post Office Act, 1898 
  59. Penalty for contravention of section 5 
  (1) Whoever, in
  
  contravention of the provisions of section 5, carries, receives, tenders or
  
  delivers letters, or collects letters, shall be punishable with fine which may
  
  extend to fifty rupees for every such letter.
  (2) Whoever, having
  
  already been convicted of an offence under this section, is again convicted
  
  thereunder, shall, on every such subsequent conviction, be punishable with fine
  
  which may extend to five hundred rupees.