Work starts on India's longest road tunnelWork on India's 8.8 km-long Rohtang tunnel began end-June, 2010 with completion scheduled in 2015, a duration of 63 months. Ms/SMEC International Pvt Ltd have been engaged as consultants on what will be the longest road tunnel in India. This record is currently held by the bi-tube 2.8 km-long Jawahar tunnel in Jammu & Kashmir, which is at an altitude of 2,209 m. For more click in/32, here and here. 27/10.