law: Railways Act, 1989
  150. Maliciously wrecking or attempting to wreck a train. 
  (1) Subject to the provisions of sub-section (2) if any person
  
  unlawfully,- 
  (a) puts of throws upon or across any
  
  railways, any wood, stone or other matter or thing; or
  (b) takes up, removes, loosens or displaces
  
  any rail, sleeper or other matter or things belonging to any railway; or
  (c) turns, moves, unlocks or diverts any
  
  points or other machinery belonging to any railway; or
  (d) makes or shows, or hides or removes, any
  
  signal or light upon or near to any railway; or 
  (e) does or causes to be done or attempts to
  
  do any other act or thing in relation to any railway, with intent or with
  
  knowledge that he is likely to endanger the safety of any person traveling on
  
  or being upon the railway, he shall be punishable with imprisonment for life,
  
  or with rigorous imprisonment for a term which may extend to ten years:
  Provided  that in the absence of special and
  
  adequate reasons to the contrary to be mentioned in the judgment of the court,
  
  where a person is punishable with rigorous imprisonment, such imprisonment
  
  shall not be less than- 
  (a) three years, in the case of a conviction
  
  for the first offence; and
  (b) seven years, in the case of conviction for
  
  the second or subsequent offence.
  (2) If any person unlawfully does any act or thing referred to
  
  in any of the clauses of sub-section (1) –
  (a) with intent to cause the death of any
  
  person and the doing of such act or thing cause the death of any person; or
  (b) with knowledge that such act or thing is
  
  so imminently dangerous that it must in all probability cause the death of any
  
  person or such bodily injury to any person as is likely to cause the death of
  
  such person, he shall be punishable with death or imprisonment for life.