law: Indian Easements Act, 1882
  31. Obstruction in case of excessive user
  In the case of excessive user of an easement the servant owner
  
  may, without prejudice to any other remedies to which he may be entitled,
  
  obstruct the user, but only on the servant heritage:
  PROVIDED that such user cannot be obstructed when the
  
  obstruction would interfere with the lawful enjoyment of the easement.
  Illustration
  A, having a right to the free passage over B's land of light to
  
  four windows, 6" x 4", increases their seize and number. It is
  
  impossible to obstruct the passage of light to the new windows without also obstructing
  
  the passage of light to the ancient windows. B cannot obstruct the excessive
  
  user.