law: Indian Post Office Act, 1898 
  61. Penalty for contravention of section 19, 19A or 20 
  (1) Whoever, in
  
  contravention of the provisions of section 19, 15[or section 19A] or
  
  section 20, sends or tenders or makes over in order to be sent by any post
  
  postal article or anything, shall be punishable with imprisonment for a term
  
  which may extend to one year, or with fine, or with both.
  (2) The detention in
  
  the Post Office of any postal article on the ground of its having been sent in
  
  contravention of the provisions of section 19 15[or section 19A] or
  
  section 20, shall not exempt the sender from any proceedings which might have
  
  been taken if the postal article had been delivered in due course of post.