law: Indian Easements Act, 1882
  20. Rules controlled by contract or title
  The rules contained in this Chapter are controlled by any
  
  contract between the dominant and servant owners relating to the servant
  
  heritage, and by the provisions of the instrument or decree, if any, by which
  
  the easement referred to was imposed.
   Incidents of customary easements :   And when any incident
  
  of any customary easement is inconsistent with such rules, nothing in this
  
  chapter shall affect such incident.