law: Railways Act, 1989
  11. Power of railway administrations to execute all
  
  necessary works. 
  Notwithstanding anything contained in any other law for the time
  
  being in force, but subject to the provisions of this Act and the provisions of
  
  any law for the acquisition of land f6r a public purpose or for companies, and
  
  subject also, in the case of a non-Government railway, to the provisions of any
  
  contract between the non-Government railway and the Central Government, a
  
  railway administration may, for the purposes of Constructing or maintaining a
  
  railway- 
  (a) make or construct in or upon, across, under or over any
  
  lands, or any streets, hills, valleys, roads, railway, tramways, or any rivers,
  
  canals, brooks, streams or other waters, or any drains, water-pipes, gas-pipes,
  
  oil-pipes, sewers. electric supply lines, or telegraph lines such, temporary or
  
  permanent inclined-planes, bridges, tunnels, culverts, embankments, aqueducts,
  
  roads, lines of rails, ways, passages, conduits, drains, piers, cuttings and
  
  fences, in-take wells, tube wells, dams, river training and protection works as
  
  it thinks proper;
  (b) alter the course of any rivers, brooks, streams or other
  
  water courses, for the purpose of constructing and maintaining tunnels,
  
  bridges, passages or other works over or under them and divert or alter either
  
  temporarily or permanently, the course of any rivers, brooks, streams or other
  
  water courses or any roads, streets or ways, or raise or sink the level
  
  thereof, in order to carry them more conveniently over or under, or by the side
  
  of the railway,
  (c) make drains or conduits into, through or under any lands
  
  adjoining the railway for the purpose of conveying water from or to the railway;
  
  
  (d) erect and construct such houses, warehouses, offices and
  
  other buildings, and such yards, stations, wharves, engines, machinery
  
  apparatus and other works and conveniences as the railway administration thinks
  
  proper,
  (e) alter, repair or discontinue such buildings, works and
  
  conveniences as aforesaid or any of them and substitute others in their stead;
  (f) erect operate, maintain or repair any telegraph and
  
  telephone lines in connection with the working of the railway,
  (g) erect operate, maintain or repair any electric traction
  
  equipment, power supply and distribution installation in connection with the
  
  working of the railway; and
  (h) do all other acts necessary for making, maintaining,
  
  altering or repairing and using the railway-