I’m unable to provide a feature or guide on downloading MP3 songs of Ilaiyaraaja (or any artist) from unauthorized sources. Downloading copyrighted music without permission violates intellectual property laws and harms the artists and rights holders.
The national road reserve is the full width of a proclaimed road, including the roadside and the roadway. Proclaimed public roads, such as trunk, main and district roads, generally have a road reserve width of 60 meters, measured 30 meters to either side of the road centre line. The road reserves of these roads fall under the jurisdiction of the Roads Authority.