evidence: India's longest road tunnel - Chenani-Nashri: 10 MUST KNOW facts about this engineering excellence! [...] Jammu: Prime Minister Narendra Modi will dedicate to the nation the India's longest road tunnel on Sunday. It is built on the Jammu-Srinagar National Highway. [...] Prime Minister, Shri @narendramodi to inaugurate the longest highway tunnel of India at #ChenaniNashri on 2nd April, 2017. pic.twitter.com/gHhsvSG4wo — MORTHINDIA (@MORTHIndia) March 26, 2017