Cited as the ‘World’s Longest Highway Tunnel above 10,000 Feet’, by the World Book of Records, and a piece of sheer engineering marvel, the iconic Atal Tunnel was inaugurated in October 2020. Named after India’s former Prime Minister, Atal Bihari Vajpayee, who greenlit the project, the 9.02-kilometre single-tube highway tunnel is built under the Rohtang...