evidence: At 9.2 km, the 'Chenani-Nashri Highway Tunnel' is the longest road tunnel in the country and is located at an elevation of 1200 meters. Prime Minister Narendra Modi will inaugurate the highway tunnel today. [...] - The 'Chenani-Nashri Highway Tunnel' is not only India's longest highway tunnel but also Asia's longest bi-directional highway tunnel. [...] Last Updated on April 2, 2017 # Chenani-Nashri Highway Tunnel# India's longest tunnel# Longest Tunnel# Jammu and Kahsmir# Prime Minister# Narenda Modi# Auto Industry