evidence: India’s longest road tunnel built on the Jammu and Kashmir highway is all set to be inaugurated by Prime Minister Narendra Modi on Sunday. The Chenani-Nashri tunnel spans 9.28 kilometres and is expected to cut travel time from Jammu to Srinagar by at least two hours. [...] Built on the lower Himalayan range at height of 1,200 metres, the tunnel has been constructed at a cost of Rs 3,720 crore.