law: Indian Telegraph Act, 1885
  19. Telegraph lines and posts placed before the passing of
  
  this Act
  Every telegraph line or post placed before the passing of this
  
  Act under, over, along, across, in or upon any property, for the purposes of a
  
  telegraph established or maintained by the 16[Central Government],
  
  shall be deemed to have been placed in exercise of the powers conferred by, and
  
  after observance of all the requirements of, this Act.