Tunnel construction Current Affairs, GK & News
In Andhra Pradesh, Vice-President M Venkaiah Naidu has recently dedicated the India’s longest electrified rail tunnel i.e situated between Cherlopalli and Rapuru. He also inaugurated the 112-km long electrified railway line between Venkatachalam and Obulavaripalli. The length of the electrified rail tunnel is 6.6km. The tunnel has 44 trolley refuges and 14 cross-passages in a ..