law: Railways Act, 1989
  147. Trespass and refusal to desist from trespass. 
  (1) If any person enters upon or into any part of a railway
  
  without lawful authority, or having lawfully entered upon or into such part misuses
  
  such property or refuses to leave, he shall be punishable with imprisonment for
  
  a term which may extend to six months, or with fine which may extend to one
  
  thousand rupees, or with both : 
  
  Provided that in the absence of special and adequate reasons to the contrary to
  
  be mentioned in the judgment of the court, such punishment shall not be less
  
  than a fine of five hundred rupees.
  (2) Any person referred to in sub-section (1) may be removed
  
  from the railway by any railway servant or by any other person whom such
  
  railway servant may call to his aid.