Section 18(a) in The Metro Railways (Construction Of Works) Act, 1978
(a)make or construct in, upon, across, under or over any lands, buildings, streets, roads, railways or tramways or any rivers, canals, brooks, streams or other waters or any drains, water-pipes, gas-pipes, electric lines or telegraph lines, such temporary or permanent inclined planes, arches, tunnels, culverts, embankments, aqueducts, bridges, ways or passages, as the metro railway administration thinks proper;
