NHAI Installs Solar Street Lights on Chennai Road Updated On Mon, Nov 19th, 2018 by Saurenergy According to Chennai city police, the poorly lit road was a major accident prone area due to insignificant lighting on the stretch. National Highway Authority of India (NHAI) will be lighting up a stretch of 32-KM Chennai bypass which connects four different national highways, with solar street lamps. According to Chennai city police, the poorly […] Read more