GIS mapping of roads, drains in Chennai launched
GIS mapping of roads, drains and high rise buildings in Chennai using drones was launched here on Tuesday by Municipal Administration Minister S P Velumani.
Nov 21, 2017, 21:19 PM IST
GIS mapping of roads, drains and high rise buildings in Chennai using drones was launched here on Tuesday by Municipal Administration Minister S P Velumani.
Nov 21, 2017, 21:19 PM IST