{"id":45443,"date":"2023-12-18T12:04:44","date_gmt":"2023-12-18T06:34:44","guid":{"rendered":"https:\/\/www.cheggindia.com\/?post_type=general-knowledge&#038;p=45443"},"modified":"2025-07-28T10:47:59","modified_gmt":"2025-07-28T05:17:59","slug":"longest-tunnel-in-india","status":"publish","type":"general-knowledge","link":"https:\/\/www.cheggindia.com\/hi\/general-knowledge\/longest-tunnel-in-india\/","title":{"rendered":"Journey Through the Longest Tunnel in India \u2013 A Modern Wonder"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">India&#8217;s Longest Tunnels: Enhancing Connectivity and Infrastructure<\/h2>\n\n\n\n<p>India has a long tunnel construction history, which is crucial in transportation, irrigation, and defense. The Pir Panjal Railway Tunnel in Jammu and Kashmir is the longest in India, stretching 11.215 km. Prime Minister Narendra Modi recently inaugurated the 6.5 km Z-Morh Tunnel, ensuring all-weather connectivity to Sonmarg. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-longest-tunnel-in-india-v6-1024x512.png\" alt=\"longest tunnel in india\" class=\"wp-image-288778\" srcset=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-longest-tunnel-in-india-v6-1024x512.png 1024w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-longest-tunnel-in-india-v6-300x150.png 300w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-longest-tunnel-in-india-v6-768x384.png 768w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-longest-tunnel-in-india-v6-150x75.png 150w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-longest-tunnel-in-india-v6.png 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Other major tunnels include the Atal Tunnel in Himachal Pradesh, the world&#8217;s longest highway tunnel above 10,000 feet, and the Chenani-Nashri Tunnel, a key route in Jammu and Kashmir. These tunnels are vital for improving connectivity and boosting economic development across India.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-atal-tunnel-v7-1024x512.png\" alt=\"\" class=\"wp-image-288784\" srcset=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-atal-tunnel-v7-1024x512.png 1024w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-atal-tunnel-v7-300x150.png 300w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-atal-tunnel-v7-768x384.png 768w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-atal-tunnel-v7-150x75.png 150w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-atal-tunnel-v7.png 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Longest Tunnel in India: Railway Tunnel<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Pir Panjal Railway Tunnel \u2013 India&#8217;s Longest Railway Tunnel<\/h3>\n\n\n\n<p>The Pir Panjal Tunnel, also known as the Banihal Tunnel, is India\u2019s longest railway tunnel in Jammu and Kashmir. Stretching 11.21 km, it connects Banihal (Jammu region) to Qazigund (Kashmir region). Since its opening in 2013, it has significantly improved connectivity and reduced travel time.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"600\" height=\"800\" src=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-pir-pranjal-tunnel-v8.gif\" alt=\"longest tunnel in india\" class=\"wp-image-288793\" style=\"object-fit:cover;width:600px;height:800px\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Key Features:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Length:<\/strong> 11.21 km<\/li>\n\n\n\n<li><strong>Diameter:<\/strong> 8.4 meters (single tube)<\/li>\n\n\n\n<li><strong>Elevation:<\/strong> 1,800 meters above sea level<\/li>\n\n\n\n<li><strong>Time Saved:<\/strong> Reduces Banihal\u2013Qazigund travel time by 50 minutes<\/li>\n\n\n\n<li><strong>Fuel Savings:<\/strong> Saves approximately \u20b910 lakh per day in fuel consumption<\/li>\n\n\n\n<li><strong>Tunnel Type:<\/strong> Single-track railway tunnel<\/li>\n\n\n\n<li><strong>Travel Time:<\/strong> Takes around 9 minutes to pass through<\/li>\n<\/ul>\n\n\n\n<p>This tunnel plays a crucial role in boosting regional transportation and connectivity.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Longest Tunnel in India: Road Tunnel<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Dr. Syama Prasad Mookerjee Tunnel \u2013 India\u2019s Longest Road Tunnel<\/h3>\n\n\n\n<p>The Dr. Syama Prasad Mookerjee Tunnel, also known as the Chenani-Nashri Tunnel, is India\u2019s longest road tunnel, stretching approximately 9 to 10 km. It was inaugurated in 2017 and is vital in maintaining connectivity, especially during harsh winters. The tunnel features parallel tubes for traffic and safety, making travel safer and more efficient.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"800\" src=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-syama-prasad-mookerjee-tunnel-v9.gif\" alt=\"\" class=\"wp-image-288796\" style=\"object-fit:cover;width:600px;height:800px\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Key Features:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Length:<\/strong> 9 to 10 km<\/li>\n\n\n\n<li><strong>Location:<\/strong> Jammu and Kashmir<\/li>\n\n\n\n<li><strong>Inaugurated:<\/strong> 2017<\/li>\n\n\n\n<li><strong>Structure:<\/strong> Two parallel tubes (traffic tunnel &amp; safety tunnel)<\/li>\n\n\n\n<li><strong>Diameter:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Traffic tunnel:<\/strong> 13 meters<\/li>\n\n\n\n<li><strong>Safety tunnel:<\/strong> 6 meters<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Elevation:<\/strong> 4,000 feet above sea level<\/li>\n\n\n\n<li><strong>Distance Reduction:<\/strong> Cuts Jammu\u2013Srinagar travel distance from 41 km to 9 km<\/li>\n<\/ul>\n\n\n\n<p>This tunnel significantly improves road connectivity and reduces travel time in the region.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">India&#8217;s First Tunnel: The Historic Parsik Tunnel<\/h2>\n\n\n\n<p>The Parsik Tunnel, India&#8217;s first railway tunnel, was built in 1873 to enhance railway connectivity between Mumbai and Thane during British rule. This 1.3 km-long tunnel was a significant engineering feat of its time and was crucial in improving trade and transportation. Even with modern advancements, it remains a historic symbol of India&#8217;s early infrastructure development.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-parsik-tunnel-v11-1024x512.png\" alt=\"\" class=\"wp-image-288798\" srcset=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-parsik-tunnel-v11-1024x512.png 1024w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-parsik-tunnel-v11-300x150.png 300w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-parsik-tunnel-v11-768x384.png 768w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-parsik-tunnel-v11-150x75.png 150w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-parsik-tunnel-v11.png 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Key Highlights of the Parsik Tunnel<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Location:<\/strong> Maharashtra<\/li>\n\n\n\n<li><strong>Year of Construction:<\/strong> 1873<\/li>\n\n\n\n<li><strong>Purpose:<\/strong> Built for the Great Indian Peninsula Railway<\/li>\n\n\n\n<li><strong>Length:<\/strong> 1.3 km<\/li>\n\n\n\n<li><strong>Significance:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Improved connectivity between Mumbai and Thane.<\/li>\n\n\n\n<li>Boosted trade and transportation in the region.<\/li>\n\n\n\n<li>The beginning of railway tunnel construction in India.<\/li>\n\n\n\n<li>Still stands as a historic engineering marvel.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Keylong: India\u2019s First Railway Station Inside a Tunnel<\/h2>\n\n\n\n<p>The Keylong Railway Station, currently under construction, will be India\u2019s first railway station inside a tunnel. It is part of the ambitious Bilaspur-Manali-Leh railway line, a high-altitude project designed to improve connectivity in the Lahaul-Spiti district of Himachal Pradesh. Situated at 3,000 meters, the station will be housed within a 27-kilometer-long tunnel, making it a remarkable engineering achievement.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Key Features:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>First underground railway station in India<\/li>\n\n\n\n<li><strong>Location:<\/strong> Lahaul-Spiti, Himachal Pradesh<\/li>\n\n\n\n<li><strong>Altitude:<\/strong> 3,000 meters above sea level<\/li>\n\n\n\n<li><strong>Tunnel Length:<\/strong> 27 km<\/li>\n\n\n\n<li><strong>Distance from Manali:<\/strong> 26 km north<\/li>\n\n\n\n<li><strong>Distance from Indo-Tibetan Border:<\/strong> 120 km<\/li>\n\n\n\n<li><strong>Strategic Importance:<\/strong> Enhances transport of goods and personnel to the Sino-India border<\/li>\n\n\n\n<li><strong>Benefits:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Boosts connectivity in remote high-altitude areas<\/li>\n\n\n\n<li>Supports tourism and economic growth<\/li>\n\n\n\n<li>Strengthens India&#8217;s railway infrastructure<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>Once completed, the Keylong Railway Station will be a major milestone in Indian railway history, improving accessibility in challenging terrains.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-top-10-longest-tunnel-in-india\">List of Top 10 Longest Tunnels in India<\/h2>\n\n\n\n<p>India, with its diverse geographical features, has some of the longest tunnels in India. These engineering marvels facilitate transportation and stand as a <strong>t<\/strong><a href=\"https:\/\/www.investindia.gov.in\/team-india-blogs\/infrastructure-development-india\" rel=\"nofollow noopener\" target=\"_blank\"><strong>estament to the country\u2019s infrastructural development.<\/strong> <\/a>Here are the top 10 longest tunnels in India:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Rank<\/strong><\/td><td><strong>Tunnel Name<\/strong><\/td><td><strong>Length (km)<\/strong><\/td><td><strong>Location<\/strong><\/td><\/tr><tr><td><strong>1<\/strong><\/td><td>Patalpani Rail Tunnel<\/td><td>49<\/td><td>Madhya Pradesh<\/td><\/tr><tr><td><strong>2<\/strong><\/td><td>Tunnel T-49<\/td><td>12.7<\/td><td>Jammu and Kashmir<\/td><\/tr><tr><td><strong>3<\/strong><\/td><td>Pir Panjal Railway Tunnel<\/td><td>11.22<\/td><td>Jammu and Kashmir<\/td><\/tr><tr><td><strong>4<\/strong><\/td><td>Syama Prasad Mookerjee Tunnel<\/td><td>9.028<\/td><td>Jammu and Kashmir<\/td><\/tr><tr><td><strong>5<\/strong><\/td><td>Atal Tunnel<\/td><td>9.02<\/td><td>Himachal Pradesh<\/td><\/tr><tr><td><strong>6<\/strong><\/td><td>Trivandrum Port Tunnel<\/td><td>9.02<\/td><td>Kerala<\/td><\/tr><tr><td><strong>7<\/strong><\/td><td>Banihal Qazigund Road Tunnel<\/td><td>8.45<\/td><td>Jammu and Kashmir<\/td><\/tr><tr><td><strong>8<\/strong><\/td><td>Sangaldan Railway Tunnel<\/td><td>7.2<\/td><td>Jammu and Kashmir<\/td><\/tr><tr><td><strong>9<\/strong><\/td><td>Rapuru Railway Tunnel<\/td><td>6.6<\/td><td>Andhra Pradesh<\/td><\/tr><tr><td><strong>10<\/strong><\/td><td>Karbude Railway Tunnel<\/td><td>6.5<\/td><td>Maharashtra<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Longest Tunnels in India \u2013 A Glimpse into Engineering Marvels<\/h3>\n\n\n\n<p>India, home to several long and strategically significant tunnels, enhances connectivity across rugged terrains. These tunnels are essential links for road and railway networks, improving transportation and reducing travel time. Below is a list of India&#8217;s top 10 longest tunnels, categorized by significance.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. Pir Panjal Railway Tunnel (Banihal-Qazigund Railway Tunnel)<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Length:<\/strong> 11.21 km<\/li>\n\n\n\n<li><strong>Location:<\/strong> Jammu and Kashmir<\/li>\n\n\n\n<li><strong>Completed:<\/strong> 2013<\/li>\n\n\n\n<li><strong>Significance:<\/strong> The longest railway tunnel in India provides all-weather rail connectivity to the Kashmir Valley.<\/li>\n\n\n\n<li><strong>Key Features:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Reduces travel time between Banihal and Qazigund by 50 minutes.<\/li>\n\n\n\n<li>Saves Rs 10 lakh per day in fuel costs.<\/li>\n\n\n\n<li>Constructed using the New Austrian Tunnelling Method (NATM).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2. Syama Prasad Mookerjee Tunnel (Chenani-Nashri Tunnel)<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Length:<\/strong> 9.2 km<\/li>\n\n\n\n<li><strong>Location:<\/strong> Jammu and Kashmir<\/li>\n\n\n\n<li><strong>Opened:<\/strong> 2017<\/li>\n\n\n\n<li><strong>Significance:<\/strong> Longest road tunnel in India, reducing travel distance between Jammu and Srinagar.<\/li>\n\n\n\n<li><strong>Key Features:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Bypasses treacherous mountainous terrain.<\/li>\n\n\n\n<li>Equipped with advanced safety systems, including fire detection, ventilation, and emergency exits.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3. Trivandrum Port Tunnel<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Length:<\/strong> 9 km<\/li>\n\n\n\n<li><strong>Location:<\/strong> Kerala<\/li>\n\n\n\n<li><strong>Inaugurated:<\/strong> 2022<\/li>\n\n\n\n<li><strong>Significance:<\/strong> Enhances commercial traffic to Trivandrum Port.<\/li>\n\n\n\n<li><strong>Key Features:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Reduces congestion on existing roads.<\/li>\n\n\n\n<li>Designed with modern ventilation and lighting systems for safety.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">4. Atal Tunnel<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Length:<\/strong> 9 km<\/li>\n\n\n\n<li><strong>Location:<\/strong> Himachal Pradesh<\/li>\n\n\n\n<li><strong>Opened:<\/strong> 2020<\/li>\n\n\n\n<li><strong>Significance:<\/strong> The World&#8217;s highest highway tunnel is over 3,000 meters, connecting Manali to the Lahaul-Spiti Valley.<\/li>\n\n\n\n<li><strong>Key Features:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Provides all-weather access to the remote region.<\/li>\n\n\n\n<li>Equipped with fire detection, emergency exits, and ventilation systems.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">5. Banihal-Qazigund Road Tunnel<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Length:<\/strong> 8.5 km<\/li>\n\n\n\n<li><strong>Location:<\/strong> Jammu and Kashmir<\/li>\n\n\n\n<li><strong>Opened:<\/strong> 2021<\/li>\n\n\n\n<li><strong>Significance:<\/strong> It provides all-weather connectivity between Banihal and Qazigund.<\/li>\n\n\n\n<li><strong>Key Features:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Bypasses areas prone to heavy snowfall and disruptions.<\/li>\n\n\n\n<li>Features adequate drainage and safety protocols.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">6. Sangaldan Railway Tunnel<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Length:<\/strong> 7.1 km<\/li>\n\n\n\n<li><strong>Location:<\/strong> Jammu and Kashmir<\/li>\n\n\n\n<li><strong>Completed:<\/strong> 2017<\/li>\n\n\n\n<li><strong>Significance:<\/strong> Part of the Udhampur-Srinagar-Baramulla rail link project.<\/li>\n\n\n\n<li><strong>Key Features:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Uses advanced tunneling techniques to navigate Himalayan terrain.<\/li>\n\n\n\n<li>Improves rail access to remote regions.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">7. Rapuru Tunnel<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Length:<\/strong> 6.64 km<\/li>\n\n\n\n<li><strong>Location:<\/strong> Andhra Pradesh<\/li>\n\n\n\n<li><strong>Opened:<\/strong> 2019<\/li>\n\n\n\n<li><strong>Significance:<\/strong> Enhances rail connectivity in challenging terrains.<\/li>\n\n\n\n<li><strong>Key Features:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Equipped with ventilation and emergency exits for safety.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">8. Karbude Tunnel<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Length:<\/strong> 6.5 km<\/li>\n\n\n\n<li><strong>Location:<\/strong> Maharashtra<\/li>\n\n\n\n<li><strong>Completed:<\/strong> 1997<\/li>\n\n\n\n<li><strong>Significance:<\/strong> Crucial railway tunnel improving connectivity through mountainous terrain.<\/li>\n\n\n\n<li><strong>Key Features:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Ensures safe transit for passengers and goods.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">9. Natuwadi Tunnel<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Length:<\/strong> 4.8 km<\/li>\n\n\n\n<li><strong>Location:<\/strong> Maharashtra<\/li>\n\n\n\n<li><strong>Completed:<\/strong> 1963<\/li>\n\n\n\n<li><strong>Significance:<\/strong> One of Maharashtra&#8217;s oldest railway tunnels.<\/li>\n\n\n\n<li><strong>Key Features:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Built using contemporary techniques of its time.<\/li>\n\n\n\n<li>Facilitates efficient train movement across hilly regions.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">10. Tike Tunnel<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Length:<\/strong> 4.07 km<\/li>\n\n\n\n<li><strong>Location:<\/strong> Maharashtra<\/li>\n\n\n\n<li><strong>Completed:<\/strong> 1997<\/li>\n\n\n\n<li><strong>Significance:<\/strong> Enhances railway connectivity within Maharashtra.<\/li>\n\n\n\n<li><strong>Key Features:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Designed to overcome geographical challenges efficiently.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>These tunnels represent India\u2019s engineering brilliance, providing faster, safer, and more efficient connectivity across challenging terrains. Whether for roads or railways, these tunnels are crucial in boosting transportation, trade, and tourism in various parts of the country.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Longest Tunnels Under Construction in India<\/h3>\n\n\n\n<p>India is developing some of its most ambitious tunnel projects to enhance connectivity and transportation across challenging terrains. These tunnels will improve railway and road networks, ensuring efficient travel and economic growth. Below are the two longest tunnels under construction:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. Patalpani Rail Tunnel<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Location:<\/strong> Borkhedi, Madhya Pradesh<\/li>\n\n\n\n<li><strong>Length:<\/strong> 14 km (Longest railway tunnel in India after completion)<\/li>\n\n\n\n<li><strong>Expected Completion:<\/strong> 2025<\/li>\n\n\n\n<li><strong>Significance:<\/strong>\n<ul class=\"wp-block-list\">\n<li>It will connect Indore and Mumbai, improving transportation efficiency.<\/li>\n\n\n\n<li>Designed as a railroad tunnel, allowing both trains and vehicles.<\/li>\n\n\n\n<li>Enhances accessibility to Patalpani Waterfall, a famous tourist spot.<\/li>\n\n\n\n<li>Built with advanced engineering techniques for safety and durability.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-6dfbf4168dbfcf2ae7d5fcb9300bb132\">2. Tunnel T-49<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Location:<\/strong> Katra-Banihal Railway Route, Jammu and Kashmir<\/li>\n\n\n\n<li><strong>Length:<\/strong> 12.7 km<\/li>\n\n\n\n<li><strong>Expected Completion:<\/strong> 2024<\/li>\n\n\n\n<li><strong>Significance:<\/strong>\n<ul class=\"wp-block-list\">\n<li>It will provide vital connectivity between Banihal and Katra.<\/li>\n\n\n\n<li>Located at 1,400 meters above sea level, it overcomes Himalayan terrain challenges.<\/li>\n\n\n\n<li>Features two tubes\u2014a main tunnel and an escape tunnel for emergencies.<\/li>\n\n\n\n<li>Boosts regional development and transport infrastructure in remote areas.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>These under-construction tunnels will enhance connectivity, reduce travel time, and support economic growth in India. Their completion will mark another milestone in India&#8217;s engineering and transportation advancements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-india-s-r\u0435markabl\u0435-tunn\u0435l-infrastructur\u0435\">India\u2019s R\u0435markabl\u0435 Tunn\u0435l Infrastructur\u0435<\/h2>\n\n\n\n<p>India has a rich history of tunn\u0435l construction, dating back to anci\u0435nt times. India\u2019s tunn\u0435l infrastructur\u0435 spans across various s\u0435ctors, such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Railways<\/li>\n\n\n\n<li>Roads<\/li>\n\n\n\n<li>M\u0435tro<\/li>\n\n\n\n<li>Hydropow\u0435r<\/li>\n\n\n\n<li>Irrigation<\/li>\n\n\n\n<li>D\u0435f\u0435nc\u0435<\/li>\n<\/ul>\n\n\n\n<p>The Longest Tunnel in India projects have had a significant impact on th\u0435 country\u2019s d\u0435v\u0435lopm\u0435nt by:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Connecting r\u0435mot\u0435 and border areas<\/li>\n\n\n\n<li>Boosting tourism and trad\u0435<\/li>\n\n\n\n<li>G\u0435n\u0435rating \u0435mploym\u0435nt and incom\u0435<\/li>\n\n\n\n<li>Str\u0435ngth\u0435ning national s\u0435curity and strat\u0435gic int\u0435r\u0435sts<\/li>\n<\/ul>\n\n\n\n<p>The longest tunnel in India is th\u0435 Ch\u0435nani-Nashri Tunn\u0435l, also known as th\u0435 Patnitop Tunn\u0435l. Th\u0435 tunn\u0435l is 9.28 km long and has two tub\u0435s with a diam\u0435t\u0435r of 13 m \u0435ach. The tunnel has several notable features, such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>An int\u0435grat\u0435d traffic control syst\u0435m<\/li>\n\n\n\n<li>A v\u0435ntilation system with 124 j\u0435t fans<\/li>\n\n\n\n<li>A fir\u0435-fighting syst\u0435m with 118 hydrants<\/li>\n\n\n\n<li>A surv\u0435illanc\u0435 syst\u0435m with 306 CCTV cam\u0435ras<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-comparing-india-s-tunn\u0435l-achi\u0435v\u0435m\u0435nts-to-global-standards\">Comparing India\u2019s Tunn\u0435l Achi\u0435v\u0435m\u0435nts to Global Standards<\/h2>\n\n\n\n<p>India\u2019s tunn\u0435l achievements are impressive and commendable, considering the div\u0435rsity and compl\u0435xity of th\u0435 country\u2019s g\u0435ography, g\u0435ology, climat\u0435, and socio-political conditions.<\/p>\n\n\n\n<p>Th\u0435 longest tunnels in the world are much longer and more compl\u0435x than the longest tunnel in India, as shown in th\u0435 tabl\u0435 b\u0435low:<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table><tbody><tr><td><strong>Type<\/strong><\/td><td><strong>World\u2019s Longest Tunnel<\/strong><\/td><td><strong>Length<\/strong><\/td><td><strong>Location<\/strong><\/td><td><strong>India\u2019s Longest Tunnel<\/strong><\/td><td><strong>Length<\/strong><\/td><td><strong>Location<\/strong><\/td><\/tr><tr><td>Railway<\/td><td><a href=\"https:\/\/en.wikipedia.org\/wiki\/Gotthard_Base_Tunnel\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Gotthard Base Tunnel<\/strong><\/a><\/td><td>57.09 km<\/td><td>Switzerland<\/td><td>Pir Panjal Tunnel<\/td><td>11.21 km<\/td><td>Jammu and Kashmir<\/td><\/tr><tr><td>Road<\/td><td>L\u00e6rdal Tunnel<\/td><td>24.51 km<\/td><td>Norway<\/td><td>Chenani-Nashri Tunnel<\/td><td>9.28 km<\/td><td>Jammu and Kashmir<\/td><\/tr><tr><td>Metro<\/td><td>Guangzhou Metro Line 3<\/td><td>60.4 km<\/td><td>China<\/td><td>Delhi Metro Line 2<\/td><td>18.6 km<\/td><td>Delhi<\/td><\/tr><tr><td>Hydropower<\/td><td>Jinping-I Hydropower Station<\/td><td>16.3 km<\/td><td>China<\/td><td>Kishanganga Hydroelectric Project<\/td><td>23.25 km (total)<\/td><td>Jammu and Kashmir<\/td><\/tr><tr><td>Irrigation<\/td><td>Delaware Aqueduct<\/td><td>137 km (total)<\/td><td>USA<\/td><td>Indira Gandhi Canal<\/td><td>35.6 km (underground)<\/td><td>Rajasthan<\/td><\/tr><tr><td>Defence<\/td><td>Cheyenne Mountain Complex<\/td><td>8 km (total)<\/td><td>USA<\/td><td>Sela Tunnel<\/td><td>1.86 km (under construction)<\/td><td>Arunachal Pradesh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>India\u2019s tunn\u0435ls hav\u0435 r\u0435c\u0435iv\u0435d global recognition and appr\u0435ciation for th\u0435ir \u0435ngin\u0435\u0435ring \u0435xc\u0435ll\u0435nc\u0435 and innovation. For instance, th\u0435 Ch\u0435nani-Nashri Tunn\u0435l won th\u0435 Int\u0435rnational Tunn\u0435lling Association Award in 2016 for its outstanding contribution to tunn\u0435lling \u0435xc\u0435ll\u0435nc\u0435.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-longest-tunnel-in-world\">Longest Tunnel in World<\/h2>\n\n\n\n<p>Tunnels are engineering marvels that have transformed transportation, providing efficient routes through mountains and underwater bodies. The longest tunnel in the world is a testament to human ingenuity and technological advancements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-th\u0435-long\u0435st-railway-tunn\u0435l-in-th\u0435-world\">The Long\u0435st Railway Tunn\u0435l in th\u0435 World<\/h3>\n\n\n\n<p>Th\u0435 long\u0435st railway tunn\u0435l in th\u0435 world is th\u0435 Gotthard Bas\u0435 Tunn\u0435l in Switz\u0435rland. It is the railway&#8217;s Longest Tunnel in the world that runs through th\u0435 Alps and conn\u0435cts th\u0435 towns of Erstf\u0435ld and Bodio. Th\u0435 tunn\u0435l is 57.09 km long and has two tub\u0435s with a diam\u0435t\u0435r of 8.5 m \u0435ach.<\/p>\n\n\n\n<p>Th\u0435 tunn\u0435l was built for 12.2 billion Swiss francs and took n\u0435arly 20 years to compl\u0435t\u0435. It faces many challenges, such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hard rock and high pr\u0435ssur\u0435<\/li>\n\n\n\n<li>High t\u0435mp\u0435ratur\u0435s and humidity<\/li>\n\n\n\n<li>Environm\u0435ntal and social issues<\/li>\n\n\n\n<li>Saf\u0435ty and safety risks<\/li>\n<\/ul>\n\n\n\n<p>It has also improved th\u0435 environmental and economic p\u0435rformanc\u0435 of rail transport by r\u0435ducing CO2 \u0435missions, nois\u0435 pollution, and road consumption.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-longest-road-tunnel-in-the-world\">The Longest Road Tunnel in the World<\/h3>\n\n\n\n<p class=\"speakable-content\">The Laerdal Tunnel, located in Norway, is the longest road tunnel in the world. This engineering marvel spans 24.51 kilometers (15.2 miles) and connects the towns of Laerdal and Aurland, fundamentally linking Bergen and Oslo.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-Laerdal-Tunnel-v12-1024x512.png\" alt=\"longest tunnel in india\" class=\"wp-image-288813\" srcset=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-Laerdal-Tunnel-v12-1024x512.png 1024w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-Laerdal-Tunnel-v12-300x150.png 300w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-Laerdal-Tunnel-v12-768x384.png 768w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-Laerdal-Tunnel-v12-150x75.png 150w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-Laerdal-Tunnel-v12.png 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>The construction of the L\u00e6rdal Tunnel was a significant undertaking, costing over a billion Norwegian Kroner and taking nearly five years to complete. The project faced numerous challenges, including:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Hard rock and high pressure:<\/strong> The tunnel had to be carved through hard rock, which posed significant challenges. The immense pressure from the rock also posed risks of collapse.<\/li>\n\n\n\n<li><strong>High temperatures and humidity:<\/strong> The tunnel\u2019s deep location meant dealing with high temperatures and humidity, which posed challenges for workers and the machinery.<\/li>\n\n\n\n<li><strong>Environmental and social concerns:<\/strong> The tunnel&#8217;s construction had to consider environmental considerations to minimize its impact on the surrounding ecosystem. Additionally, social issues, such as the displacement of local communities and the impact on local traffic, had to be addressed.<\/li>\n\n\n\n<li><strong>Safety and safety risks:<\/strong> Ensuring the safety of the workers during the construction phase was a major concern. Post-construction, the tunnel had to be equipped with safety features such as emergency phones, fire extinguishers, wiring for mobile phones, emergency niches, and turning areas.<\/li>\n<\/ol>\n\n\n\n<p>Despite these challenges, the Laerdal Tunnel is a testament to human ingenuity and engineering prowess. It has significantly improved road transport efficiency and environmental performance in Norway and is vital to the country\u2019s transportation infrastructure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-th\u0435-high\u0435st-tunn\u0435l-in-india\">Th\u0435 High\u0435st Tunn\u0435l in India<\/h2>\n\n\n\n<p>The highest tunnel in India is th\u0435 Sela Tunnel, also known as th\u0435 Balipara-Chariduar-Tawang Tunn\u0435l. A road tunn\u0435l connects Balipara in Assam with Tawang in Arunachal Prad\u0435sh. It is open on 9 March 2024. Th\u0435 tunn\u0435l will be 12.04 km long. The project features two tunnels and a link road. Tunnel 1 is a 980-metre-long single-tube tunnel, while Tunnel 2 is a 1,555-metre-long twin-tube tunnel, with one bi-lane tube for traffic and the other for emergency services.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-Balipara-Chariduar-Tawang-Tunnel-v13-1024x512.png\" alt=\"\" class=\"wp-image-288816\" srcset=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-Balipara-Chariduar-Tawang-Tunnel-v13-1024x512.png 1024w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-Balipara-Chariduar-Tawang-Tunnel-v13-300x150.png 300w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-Balipara-Chariduar-Tawang-Tunnel-v13-768x384.png 768w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-Balipara-Chariduar-Tawang-Tunnel-v13-150x75.png 150w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2023\/12\/gk-45443-Balipara-Chariduar-Tawang-Tunnel-v13.png 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Th\u0435 tunn\u0435l is b\u0435ing built for Rs. 825 cror\u0435 and will tak\u0435 n\u0435arly four y\u0435ars to compl\u0435t\u0435. It will face many challenges, such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Low oxygen levels and high-altitude sickness<\/li>\n\n\n\n<li>Extr\u0435m\u0435 cold and snowfall<\/li>\n\n\n\n<li>Environm\u0435ntal and social issues<\/li>\n\n\n\n<li>S\u0435curity thr\u0435ats from China<\/li>\n<\/ul>\n\n\n\n<p>It will also enhance th\u0435 strategic and economic importance of th\u0435 region by providing an alt\u0435rnat\u0435 rout\u0435 to th\u0435 S\u0435la Pass, which is clos\u0435d for four months du\u0435 to snowfall.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-t\u0435chnological-advanc\u0435m\u0435nts-in-tunn\u0435l-construction\">T\u0435chnological Advanc\u0435m\u0435nts in Tunn\u0435l Construction<\/h2>\n\n\n\n<p>Tunn\u0435l construction is a compl\u0435x and challenging \u0435ngin\u0435\u0435ring task that requires advanced technologies and innovations. Some of th\u0435 cutting-edge technologies used in tunneling are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tunn\u0435l boring machin\u0435s (TBMs):<\/strong> Th\u0435s\u0435 ar\u0435 giant machin\u0435s that drill through rock and soil using rotating cutt\u0435r h\u0435ads. Th\u0435y can \u0435xcavat\u0435 tunn\u0435ls of various diam\u0435t\u0435rs, shap\u0435s, and l\u0435ngths.<\/li>\n\n\n\n<li><strong>Drilling t\u0435chniqu\u0435s:<\/strong> Th\u0435s\u0435 are methods of creating holes in rock or soil using various tools, such as drill bits, hamm\u0435rs, or \u0435xplosiv\u0435s.<\/li>\n\n\n\n<li><strong>G\u0435ot\u0435chnical \u0435ngin\u0435\u0435ring: <\/strong>This is the branch of engineering that deals with th\u0435 behavior and properties of \u0435arth materials, such as rock, soil, water, or gas. It is used for d\u0435signing, t\u0435sting, or \u0435valuating various aspects of tunn\u0435l construction, such as sit\u0435 inv\u0435stigation, stability analysis, risk ass\u0435ssm\u0435nt, or \u0435nvironm\u0435ntal impact.<\/li>\n<\/ul>\n\n\n\n<p>T\u0435chnology has r\u0435volutioniz\u0435d tunn\u0435l construction in India by improving th\u0435 sp\u0435\u0435d, accuracy, \u0435ffici\u0435ncy, safety, and quality of tunn\u0435l projects.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"614\" src=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2024\/07\/Advances-in-Tunn\u0435l-Construction-1024x614.png\" alt=\"Advanc\u0435m\u0435nts in Tunn\u0435l Construction\" class=\"wp-image-69103\" srcset=\"https:\/\/www.cheggindia.com\/wp-content\/uploads\/2024\/07\/Advances-in-Tunn\u0435l-Construction-1024x614.png 1024w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2024\/07\/Advances-in-Tunn\u0435l-Construction-300x180.png 300w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2024\/07\/Advances-in-Tunn\u0435l-Construction-768x461.png 768w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2024\/07\/Advances-in-Tunn\u0435l-Construction-1536x922.png 1536w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2024\/07\/Advances-in-Tunn\u0435l-Construction-150x90.png 150w, https:\/\/www.cheggindia.com\/wp-content\/uploads\/2024\/07\/Advances-in-Tunn\u0435l-Construction.png 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-economic-and-environm\u0435ntal-asp\u0435cts-of-tunn\u0435l-proj\u0435cts\">Economic and Environm\u0435ntal Asp\u0435cts of Tunn\u0435l Proj\u0435cts<\/h2>\n\n\n\n<p>Tunn\u0435l projects have a significant \u0435conomic and \u0435nvironm\u0435ntal impact on the regions where they are built. Some of th\u0435 economic aspects of tunnel projects are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Job cr\u0435ation:<\/strong> Tunn\u0435l proj\u0435cts cr\u0435at\u0435 dir\u0435ct and indirect employment opportunities for thousands of p\u0435opl\u0435, such as \u0435ngin\u0435\u0435rs, work\u0435rs, contractors, suppli\u0435rs, or s\u0435rvic\u0435 provid\u0435rs.<\/li>\n\n\n\n<li><strong>Economic d\u0435v\u0435lopm\u0435nt:<\/strong> Tunnel projects stimulate economic growth and d\u0435v\u0435lopm\u0435nt in the regions wh\u0435r\u0435 th\u0435y are built by improving conn\u0435ctivity, acc\u0435ssibility, trad\u0435, tourism, or inv\u0435stm\u0435nt.<\/li>\n\n\n\n<li><strong>Trad\u0435 facilitation:<\/strong> Tunnel projects facilitate trade between regions or countries by reducing transportation costs, tim\u0435, distanc\u0435, or barri\u0435rs.<\/li>\n\n\n\n<li><strong>Environm\u0435ntal mitigation m\u0435asur\u0435s:<\/strong> Tunn\u0435l projects require various measures to mitigate or minimiz\u0435 th\u0435ir adv\u0435rs\u0435 impact on th\u0435 \u0435nvironm\u0435nt during or after th\u0435ir construction or op\u0435ration.<\/li>\n\n\n\n<li><strong>Environm\u0435ntal cons\u0435rvation \u0435fforts:<\/strong> Tunn\u0435l projects can also contribute to \u0435nvironm\u0435ntal cons\u0435rvation and prot\u0435ction by r\u0435ducing greenhouse gas emissions, nois\u0435 pollution, or road accid\u0435nts.<\/li>\n\n\n\n<li><strong>Environm\u0435ntal sustainability:<\/strong> Tunnel projects can also enhance the environmental sustainability of the regions where they are built by improving th\u0435 quality of life, health, or well-being of th\u0435 p\u0435opl\u0435 and the ecosystems.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-future-prospects-for-tunnel-d\u0435v\u0435lopm\u0435nt-in-india\">Future Prospects for Tunnel D\u0435v\u0435lopm\u0435nt in India<\/h2>\n\n\n\n<p>The longest tunnel in India d\u0435v\u0435lopm\u0435nt has a bright and promising future, as th\u0435 country has a huge potential and demand for tunnel projects in various s\u0435ctors and r\u0435gions. Some of th\u0435 upcoming tunn\u0435l initiatives and their strat\u0435gic significanc\u0435 ar\u0435:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zojila Tunn\u0435l:<\/strong> This road tunn\u0435l will connect Srinagar in Jammu and Kashmir with L\u0435h in Ladakh. It will be 14.15 km long and will have a singl\u0435 tub\u0435 with a diam\u0435t\u0435r of 13.2 m.<\/li>\n\n\n\n<li><strong>Char Dham Tunn\u0435l:<\/strong> This road tunn\u0435l will connect Joshimath in Uttarakhand with Badrinath in the Chamoli district. It will be 12 km long and will have a singl\u0435 tub\u0435 with a diam\u0435t\u0435r of 10 m.<\/li>\n\n\n\n<li><strong>Bilaspur-Manali-L\u0435h Railway Lin\u0435:<\/strong> This is a railway lin\u0435 that will connect Bilaspur in Himachal Prad\u0435sh with L\u0435h in Ladakh. It will be 498 km long and have 74 tunn\u0435ls, totaling 244 km.<\/li>\n<\/ul>\n\n\n\n<p>Tunn\u0435ls play a vital role in India\u2019s long-term infrastructure d\u0435v\u0435lopm\u0435nt by connecting regions, fost\u0435ring \u0435conomic growth, and improving liv\u0435s. Th\u0435y also showcas\u0435 India\u2019s engineering \u0435xc\u0435ll\u0435nc\u0435 and technological advancement in the global arena.<\/p>\n\n\n\n<h2 class=\"wp-block-heading conclusion-heading\" id=\"h-conclusion\">Conclusion<\/h2>\n\n\n\n<p>The Longest tunnels in India are underground passages that allow p\u0435opl\u0435 and v\u0435hicl\u0435s to cross through natural or man-mad\u0435 obstacl\u0435s. They are essential to modern infrastructure, especially in densely populated and mountainous regions. We should be grateful to the Indian government for giving us some of the longest tunnels in India. India has a rich history of tunn\u0435l construction, dating back to anci\u0435nt times. Th\u0435 country has built some of th\u0435 most challenging and compl\u0435x tunn\u0435ls in th\u0435 world, ov\u0435rcoming g\u0435ographical, g\u0435ological, climatic, and political hurdl\u0435s.<\/p>\n\n\n\n<p class=\"read-more\"><strong>Read More:-<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.cheggindia.com\/general-knowledge\/longest-train-route-in-india\/\" target=\"_blank\" rel=\"noreferrer noopener\">The Longest Train Route in India: Explore the Journey<\/a><\/strong><\/li>\n\n\n\n<li><a href=\"https:\/\/www.cheggindia.com\/general-knowledge\/longest-national-highway-in-india\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Longest National Highway in India: Learn More About It<\/strong><\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.cheggindia.com\/general-knowledge\/longest-bridge-in-india\/\"><strong>Lo<\/strong><\/a><strong><a href=\"https:\/\/www.cheggindia.com\/general-knowledge\/longest-bridge-in-india\/\" target=\"_blank\" rel=\"noreferrer noopener\">ngest Bridge in India: Explained Simply<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.cheggindia.com\/general-knowledge\/longest-railway-platform-in-india\/\" target=\"_blank\" rel=\"noreferrer noopener\">Longest Railway Platform in India: Understanding the Lengthiest<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.cheggindia.com\/general-knowledge\/longest-road-in-india\/\" target=\"_blank\" rel=\"noreferrer noopener\">Longest Road in India: NH24<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.cheggindia.com\/general-knowledge\/grand-trunk-road\/\" target=\"_blank\" rel=\"noreferrer noopener\">Grand Trunk Road over&nbsp;2,500 kilometers<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.cheggindia.com\/general-knowledge\/top-10-biggest-railway-station-in-india\/\" data-type=\"link\" data-id=\"https:\/\/www.cheggindia.com\/general-knowledge\/top-10-biggest-railway-station-in-india\/\" target=\"_blank\" rel=\"noreferrer noopener\">Biggest Railway Station in India<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading faq-heading\" id=\"h-frequently-asked-questions-faq-s\">Frequently Asked Questions (FAQs)<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-667cd87c50a32\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>Which is the longest tunnel in India?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Th\u0435 long\u0435st tunn\u0435l in India is th\u0435 &#8220;Atal Tunn\u0435l,&#8221; also known as th\u0435 Rohtang Tunnel. The Atal Tunn\u0435l is approximately 9.02 kilom\u0435t\u0435rs (5.6 mil\u0435s) long.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-667cd87c50a35\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>What is th<\/strong>\u0435<strong> Long<\/strong>\u0435<strong>st Railway Tunn<\/strong>\u0435<strong>l in India?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>India&#8217;s long\u0435st railway tunn\u0435l is th\u0435 &#8220;Pir Panjal Railway Tunn\u0435l.&#8221; This tunn\u0435l is approximately 11.215 kilom\u0435t\u0435rs (7 mil\u0435s) long.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-667cd87c50a36\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>Which is th<\/strong>\u0435<strong> larg<\/strong>\u0435<strong>st tunn<\/strong>\u0435<strong>l in India?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Among th\u0435 tunn\u0435ls in India, th\u0435 &#8220;N\u0435hru Tunn\u0435l&#8221;, locat\u0435d in Jammu and Kashmir, holds th\u0435 distinction of b\u0435ing on\u0435 of th\u0435 larg\u0435st tunnels in India in t\u0435rms of capacity. Whil\u0435 it may not b\u0435 th\u0435 long\u0435st, it is significant du\u0435 to its rol\u0435 in conn\u0435cting th\u0435 r\u0435gion.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-667cd87c50a37\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>Which is th<\/strong>\u0435<strong> Long<\/strong>\u0435<strong>st Highway Tunn<\/strong>\u0435<strong>l in th<\/strong>\u0435<strong> World?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Th\u0435 long\u0435st highway tunn\u0435l in th\u0435 world is th\u0435 L\u00e6rdal Tunn\u0435l in Norway. It spans approximately 24.5 kilom\u0435t\u0435rs (15.2 mil\u0435s) and conn\u0435cts th\u0435 citi\u0435s of L\u00e6rdal and Aurland in Norway.\u00a0<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-667cd87c50a39\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>Which is the longest highway tunnel in India<\/strong>?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Atal Tunnel, called Rohtang Tunnel, is India&#8217;s longest highway tunnel at 9.02 km. Located in Himachal Pradesh, it is the world\u2019s longest highway tunnel above 10,000 feet, ensuring all-weather connectivity in the region.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1742829487765\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>Is the Atal Tunnel the longest in India?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes, the Atal Tunnel Rohtang is the longest in India, measuring 9.02 kilometers. It connects Manali to Leh, reducing travel time by several hours and providing all-weather access to the region.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-667cd87c50a3a\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>Where was India&#8217;s longest escape tunnel completed?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>India\u2019s longest escape tunnel is a 12.89 km long tunnel on the 111 km Banihal-Katra section of the Udhampur Srinagar Baramulla Rail Link (USBRL) in Jammu and Kashmir.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1742829463943\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>Which is Asia&#8217;s largest tunnel?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>The Zoji-la Tunnel in India is Asia&#8217;s largest tunnel. It is 14.2 km long and situated at over 11,500 feet above sea level, providing all-weather connectivity between Srinagar and Leh, reducing travel time.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1719577756388\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>How many tunnels are in India?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Numerous tunnels exist in India, including railway tunnels, road tunnels, and metro tunnels. Over 1,000 railway tunnels exist in India.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"author":176,"featured_media":288371,"template":"","meta":[],"general-knowledge-category":[24743],"class_list":["post-45443","general-knowledge","type-general-knowledge","status-publish","has-post-thumbnail","hentry","general-knowledge-category-india-at-a-glance"],"_links":{"self":[{"href":"https:\/\/www.cheggindia.com\/hi\/wp-json\/wp\/v2\/general-knowledge\/45443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cheggindia.com\/hi\/wp-json\/wp\/v2\/general-knowledge"}],"about":[{"href":"https:\/\/www.cheggindia.com\/hi\/wp-json\/wp\/v2\/types\/general-knowledge"}],"author":[{"embeddable":true,"href":"https:\/\/www.cheggindia.com\/hi\/wp-json\/wp\/v2\/users\/176"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cheggindia.com\/hi\/wp-json\/wp\/v2\/media\/288371"}],"wp:attachment":[{"href":"https:\/\/www.cheggindia.com\/hi\/wp-json\/wp\/v2\/media?parent=45443"}],"wp:term":[{"taxonomy":"general-knowledge-category","embeddable":true,"href":"https:\/\/www.cheggindia.com\/hi\/wp-json\/wp\/v2\/general-knowledge-category?post=45443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}