PM Modi inaugurates Atal Tunnel, longest highway tunnel in the world at 3,000-meter altitude

Prime Minister #NarendraModi, today, inaugurated the 9.02-kilometre long #AtalTunnel, the longest highway tunnel in the world built at an altitude of 3,000 meters (10,00 feet) which will reduce the distance between Manali and Keylong by going through Lahaul-Spiti in 46 km.