law: Indian Ports Act, 1908
  19. Injuring buoys, beacons and moorings 
  (1) No person shall, without lawful excuse, lift, injure, loosen
  
  or set adrift any buoy, beacon or mooring fixed or laid down by, or by the
  
  authority, of the 2[Government] in any port subject to this Act.
  (2) If any person offends against the provisions of this
  
  section, he shall for every such offence be liable, in addition to the payment
  
  of the amount of damage done, to fine which may extend to two thousand rupees,
  
  or to imprisonment for a term which may extend to two years.