

{"id":27536,"date":"2026-11-13T18:08:13","date_gmt":"2026-11-13T12:38:13","guid":{"rendered":"https:\/\/vajiramias.com\/upsc\/?p=27536"},"modified":"2026-11-13T18:08:13","modified_gmt":"2026-11-13T12:38:13","slug":"important-tunnels-in-india","status":"publish","type":"post","link":"https:\/\/vajiramias.com\/upsc\/important-tunnels-in-india\/","title":{"rendered":"Important Tunnels in India 2026, List, Location, Significance"},"content":{"rendered":"<p><span style=\"font-weight: 400\">Tunnels are an important part of India's transport infrastructure, particularly in mountainous and strategically sensitive regions. They help overcome geographical barriers, reduce travel time and provide all-weather connectivity to remote areas.<\/span><\/p>\r\n<p><span style=\"font-weight: 400\">India has constructed several important road, railway and Metro tunnels. Projects such as the Atal Tunnel in Himachal Pradesh, the Sela Tunnel in Arunachal Pradesh and the underwater Metro tunnel in Kolkata have improved connectivity. New projects, including the Zojila Tunnel and Shinkun La Tunnel, are also being developed to strengthen transport and defence infrastructure.<\/span><\/p>\r\n<h2><b>Important Tunnels in India<\/b><\/h2>\r\n<p><span style=\"font-weight: 400\">India has developed an extensive network of road, railway and Metro tunnels to improve connectivity across its diverse geographical regions. The table below highlights some of the major tunnels and their key features.<\/span><\/p>\r\n<h3><b>List of Important Tunnels in India<\/b><\/h3>\r\n<table style=\"width: 94.2112%;height: 682px\">\r\n<tbody>\r\n<tr>\r\n<td class=\"tb-color\">\r\n<p><b>Tunnel<\/b><\/p>\r\n<\/td>\r\n<td class=\"tb-color\">\r\n<p><b>State\/Region<\/b><\/p>\r\n<\/td>\r\n<td class=\"tb-color\">\r\n<p><b>Important Feature<\/b><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Atal Tunnel<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Himachal Pradesh<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Bypasses Rohtang Pass and connects Manali with Lahaul Valley<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Dr Syama Prasad Mookerjee Tunnel<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Jammu and Kashmir<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Formerly known as Chenani-Nashri Tunnel; located on NH-44<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Banihal-Qazigund Tunnel<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Jammu and Kashmir<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Connects Banihal and Qazigund through the Pir Panjal Range<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Sela Tunnel<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Arunachal Pradesh<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Provides all-weather connectivity to Tawang<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Sonamarg (Z-Morh) Tunnel<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Jammu and Kashmir<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Improves all-weather connectivity to Sonamarg on the route towards Leh<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Tunnel T50<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Jammu and Kashmir<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Railway tunnel between Khari and Sumber; part of the USBRL project<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Kolkata Underwater Metro Tunnel<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">West Bengal<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Passes beneath the Hooghly River<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Zojila Tunnel<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Jammu and Kashmir-Ladakh<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Under construction; will provide all-weather connectivity to Ladakh<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Shinkun La Tunnel<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Himachal Pradesh-Ladakh<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Being developed on the Nimu-Padum-Darcha route<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Rishikesh-Karnaprayag Rail Tunnels<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Uttarakhand<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Part of the railway project connecting Rishikesh with Karnaprayag<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Mumbai-Ahmedabad High-Speed Rail Tunnel<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Maharashtra<\/span><\/p>\r\n<\/td>\r\n<td>\r\n<p><span style=\"font-weight: 400\">Includes an undersea section beneath Thane Creek<\/span><\/p>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h3><b>Major Operational Tunnels in India<\/b><\/h3>\r\n<p><span style=\"font-weight: 400\">Several major tunnels are now operational across India, particularly in the Himalayan region. They include road and railway tunnels as well as the underwater Metro tunnel in Kolkata.<\/span><\/p>\r\n<h3><b> Atal Tunnel<\/b><\/h3>\r\n<p><span style=\"font-weight: 400\">The Atal Tunnel is a major highway tunnel in Himachal Pradesh that provides all-weather connectivity to the Lahaul-Spiti region.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is 9.02 km long and passes through the Pir Panjal Range.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It connects Manali with Lahaul Valley by bypassing the Rohtang Pass.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It was inaugurated on 3 October 2020.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It reduces the road distance by approximately 46 km and travel time by around 4-5 hours.<\/span><\/li>\r\n<\/ul>\r\n<p><span style=\"font-weight: 400\">The Atal Tunnel is recognised as the world's longest highway tunnel above 10,000 feet. Before its construction, the Lahaul-Spiti region often remained cut off from the rest of the country during winter due to heavy snowfall at <strong><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/rohtang-pass\/\" target=\"_blank\" rel=\"noopener\">Rohtang Pass<\/a><\/strong>.<\/span><\/p>\r\n<h3><b> Dr Syama Prasad Mookerjee Tunnel<\/b><\/h3>\r\n<p><span style=\"font-weight: 400\">Formerly known as the Chenani-Nashri Tunnel, it is an important road tunnel on National Highway 44 in Jammu and Kashmir.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is a 9-km-long, single-tube, two-lane bi-directional tunnel with a parallel escape tunnel.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It connects the Udhampur and Ramban regions.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It was inaugurated in April 2017 and renamed in 2019.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It reduces the road distance by approximately 30 km and travel time by nearly two hours.<\/span><\/li>\r\n<\/ul>\r\n<p><span style=\"font-weight: 400\">The tunnel bypasses difficult and landslide-prone stretches of the Jammu\u2013Srinagar National Highway, making road travel safer and faster.<\/span><\/p>\r\n<h3><b> Banihal-Qazigund Tunnel<\/b><\/h3>\r\n<p><span style=\"font-weight: 400\">The Banihal-Qazigund Road Tunnel, also known as the Navyug Tunnel, improves connectivity between the Jammu region and the Kashmir Valley.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is 8.45 km long and has two separate tubes, one for each direction of traffic.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It passes through the Pir Panjal Range.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It was inaugurated in April 2022.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It reduces the road distance between Banihal and Qazigund by approximately 16 km and travel time by around 1.5 hours.<\/span><\/li>\r\n<\/ul>\r\n<p><span style=\"font-weight: 400\">The two tubes are connected through cross-passages at regular intervals, which facilitate emergency evacuation and maintenance. The tunnel provides a more reliable road connection between the two regions, particularly during adverse weather conditions.<\/span><\/p>\r\n<h3><b> Sela Tunnel<\/b><\/h3>\r\n<p><span style=\"font-weight: 400\">The Sela Tunnel is a strategically important road tunnel in Arunachal Pradesh that provides all-weather connectivity to Tawang.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is located in the West Kameng district.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It has been constructed at an altitude of approximately 13,000 feet.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is part of the Balipara-Chariduar-Tawang Road.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It was built by the <strong><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/border-roads-organisation-bro\/\" target=\"_blank\" rel=\"noopener\">Border Roads Organisation<\/a><\/strong> (BRO) and inaugurated in March 2024.<\/span><\/li>\r\n<\/ul>\r\n<p><span style=\"font-weight: 400\">The project consists of two tunnels, including a twin-tube tunnel with an escape tube. It bypasses the snowbound Sela Pass and improves connectivity along the strategically important Tezpur-Tawang route. It is particularly significant for the movement of defence personnel and supplies towards the India\u2013China border.<\/span><\/p>\r\n<h3><b> Sonamarg (Z-Morh) Tunnel<\/b><\/h3>\r\n<p><span style=\"font-weight: 400\">The Sonamarg Tunnel, popularly known as the Z-Morh Tunnel, improves all-weather connectivity between Srinagar and Sonamarg on the route towards Leh.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is located in the Ganderbal district of Jammu and Kashmir.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The main tunnel is approximately 6.4 km long, with a parallel escape tunnel.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is situated at an altitude of around 2,634 metres.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It was inaugurated in January 2025.<\/span><\/li>\r\n<\/ul>\r\n<p><span style=\"font-weight: 400\">The tunnel bypasses sections of the road that are vulnerable to avalanches and landslides. It has improved access to Sonamarg throughout the year, supporting tourism and connectivity towards Ladakh.<\/span><\/p>\r\n<h3><b> Tunnel T50<\/b><\/h3>\r\n<p><span style=\"font-weight: 400\">Tunnel T50 is an important railway tunnel in Jammu and Kashmir and forms part of the Udhampur-Srinagar-Baramulla Rail Link (USBRL) project.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is approximately 12.77 km long.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It connects Khari and Sumber in Jammu and Kashmir.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It was inaugurated in 2024.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It was constructed using the New Austrian Tunnelling Method (NATM).<\/span><\/li>\r\n<\/ul>\r\n<p><span style=\"font-weight: 400\">Tunnel T50 is recognised as India's longest transportation tunnel. It has a main tube and a parallel escape tunnel, connected through cross-passages at intervals of 375 metres. These arrangements help in emergency evacuation and passenger safety.<\/span><\/p>\r\n<h3><b> Kolkata Underwater Metro Tunnel<\/b><\/h3>\r\n<p><span style=\"font-weight: 400\">Kolkata has India's first operational underwater Metro tunnel, which passes beneath the <strong><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/hooghly-river\/\" target=\"_blank\" rel=\"noopener\">Hooghly River<\/a><\/strong>.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is approximately 520 metres long.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It runs around 13 metres below the riverbed.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It forms part of the East\u2013West Metro Corridor, also known as the Green Line.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The underwater Metro section became operational in March 2024.<\/span><\/li>\r\n<\/ul>\r\n<p><span style=\"font-weight: 400\">The tunnel connects Howrah and Kolkata beneath the Hooghly River. It is an important example of the use of underground infrastructure to improve urban transport connectivity.<\/span><\/p>\r\n<h2><b>Important Under-Construction Tunnel Projects in India<\/b><\/h2>\r\n<p><span style=\"font-weight: 400\">Several major tunnel projects are being developed in India to improve connectivity in the Himalayan region and strengthen strategic and railway infrastructure.<\/span><\/p>\r\n<h3><b> Zojila Tunnel<\/b><\/h3>\r\n<p><span style=\"font-weight: 400\">The Zojila Tunnel is a strategically important road project being developed to provide all-weather connectivity between the Kashmir Valley and Ladakh.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is 13.153 km long and is being constructed between Baltal and Minamarg on <strong><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/national-highways-authority-of-india\/\" target=\"_blank\" rel=\"noopener\">National Highway<\/a><\/strong> 1.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is located at an altitude of approximately 2,900-3,310 metres.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The project is being implemented by the <strong><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/national-highways-infrastructure-development-corporation-limited-nhidcl\/\" target=\"_blank\" rel=\"noopener\">National Highways and Infrastructure Development Corporation Limited<\/a><\/strong> (NHIDCL).<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The main tunnel achieved a breakthrough in June 2026, but the overall project remains under construction.<\/span><\/li>\r\n<\/ul>\r\n<p><span style=\"font-weight: 400\">The tunnel will bypass the Zojila Pass, which frequently becomes inaccessible during winter due to heavy snowfall and avalanches. It is expected to reduce travel time between Sonamarg and Minamarg from around two hours to approximately 30 minutes.<\/span><\/p>\r\n<p><span style=\"font-weight: 400\">The project is strategically important because it will improve the movement of defence personnel and supplies between Jammu and Kashmir and Ladakh.<\/span><\/p>\r\n<h3><b> Shinkun La Tunnel<\/b><\/h3>\r\n<p><span style=\"font-weight: 400\">The Shinkun La Tunnel is being developed on the Nimu-Padum-Darcha Road to improve all-weather connectivity between Himachal Pradesh and Ladakh.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is planned to be approximately 4.1 km long.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is located at an altitude of around 15,800 feet.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It is designed as a twin-tube tunnel.<\/span><\/li>\r\n<\/ul>\r\n<p><span style=\"font-weight: 400\">Once completed, it is expected to become the world's highest tunnel. It will provide an alternative route to Ladakh and improve strategic connectivity to remote border areas.<\/span><\/p>\r\n<h3><b> Rishikesh-Karnaprayag Railway Project<\/b><\/h3>\r\n<p><span style=\"font-weight: 400\">The Rishikesh-Karnaprayag Railway Project is a major railway infrastructure project in Uttarakhand. It aims to improve rail connectivity in the Garhwal region of the Himalayas.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The railway line is approximately 125 km long.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It includes 16 main tunnels with a combined length of around 104 km.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">It also includes 12 escape tunnels spanning approximately 98 km.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The project is being implemented by Rail Vikas Nigam Limited (RVNL).<\/span><\/li>\r\n<\/ul>\r\n<p><span style=\"font-weight: 400\">A large part of the railway line passes through tunnels because of the difficult Himalayan terrain. The project will connect Rishikesh with important towns such as Devprayag, Srinagar and Karnaprayag.<\/span><\/p>\r\n<p><span style=\"font-weight: 400\">As of October 2026, approximately 79% of the overall project work had been completed. The revised completion target for the entire railway line is December 2029.<\/span><\/p>\r\n<h3><b> Mumbai-Ahmedabad High-Speed Rail Tunnel<\/b><\/h3>\r\n<p><span style=\"font-weight: 400\">The Mumbai-Ahmedabad High-Speed Rail Corridor, also known as the Bullet Train project, includes an underground tunnel section in Maharashtra.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The underground section is approximately 21 km long.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Around 7 km will pass beneath Thane Creek.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The undersea section will be India's first undersea tunnel for a rail corridor.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">The project uses both Tunnel Boring Machines (TBMs) and the <strong><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/new-austrian-tunnelling-method-natm\/\" target=\"_blank\" rel=\"noopener\">New Austrian Tunnelling Method<\/a><\/strong> (NATM).<\/span><\/li>\r\n<\/ul>\r\n<p><span style=\"font-weight: 400\">The tunnel will accommodate both railway tracks within a single tube. In July 2026, the second Tunnel Boring Machine began excavation from the Sawli side towards Vikhroli. The project remains under construction.<\/span><\/p>\r\n<h2><b>Challenges in Tunnel Construction in India<\/b><\/h2>\r\n<p><span style=\"font-weight: 400\">Tunnel construction in India, particularly in the Himalayan region, faces several geographical, technical and environmental challenges.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><b>Complex geology:<\/b><span style=\"font-weight: 400\"> The Himalayan region has unstable rock formations, fault zones and complex geological conditions.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>Natural hazards:<\/b><span style=\"font-weight: 400\"> Landslides, earthquakes, avalanches and water seepage increase construction and safety risks.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>High construction costs:<\/b><span style=\"font-weight: 400\"> Tunnel projects require specialised machinery, skilled workers and advanced safety systems.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>Environmental impact:<\/b><span style=\"font-weight: 400\"> Construction may affect forests, biodiversity, groundwater and fragile mountain ecosystems.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>Safety and maintenance:<\/b><span style=\"font-weight: 400\"> Long tunnels require proper ventilation, drainage, fire safety, regular inspection and emergency evacuation arrangements.<\/span><\/li>\r\n<\/ul>\r\n<h2><b>Significance of Tunnel Infrastructure for India<\/b><\/h2>\r\n<p><span style=\"font-weight: 400\">Tunnel infrastructure contributes to India's economic development, regional integration and national security.<\/span><\/p>\r\n<ul>\r\n\t<li style=\"font-weight: 400\"><b>Border connectivity:<\/b><span style=\"font-weight: 400\"> Tunnels such as the Atal, Sela and Zojila projects improve access to strategically important border regions.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>Defence preparedness:<\/b><span style=\"font-weight: 400\"> All-weather connectivity supports the movement of troops, equipment and essential supplies.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>Tourism:<\/b><span style=\"font-weight: 400\"> Improved access to destinations such as Lahaul-Spiti and Sonamarg supports year-round tourism.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>Regional integration:<\/b><span style=\"font-weight: 400\"> Better road and railway connectivity links remote Himalayan settlements with major economic centres.<\/span><\/li>\r\n\t<li style=\"font-weight: 400\"><b>Urban mobility:<\/b><span style=\"font-weight: 400\"> Underground and underwater transport infrastructure helps expand public transportation in densely populated cities.<\/span><\/li>\r\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Important Tunnels in India include Atal, Sela and Zojila tunnels. Get the full list of major road, railway and underwater tunnels, their locations and key features.<\/p>\n","protected":false},"author":41,"featured_media":27502,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1872],"tags":[1965,1964],"class_list":{"0":"post-27536","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-general-studies","8":"tag-important-tunnels","9":"tag-important-tunnels-in-india"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramias.com\/upsc\/wp-json\/wp\/v2\/posts\/27536","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramias.com\/upsc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramias.com\/upsc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramias.com\/upsc\/wp-json\/wp\/v2\/users\/41"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramias.com\/upsc\/wp-json\/wp\/v2\/comments?post=27536"}],"version-history":[{"count":6,"href":"https:\/\/vajiramias.com\/upsc\/wp-json\/wp\/v2\/posts\/27536\/revisions"}],"predecessor-version":[{"id":27560,"href":"https:\/\/vajiramias.com\/upsc\/wp-json\/wp\/v2\/posts\/27536\/revisions\/27560"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramias.com\/upsc\/wp-json\/wp\/v2\/media\/27502"}],"wp:attachment":[{"href":"https:\/\/vajiramias.com\/upsc\/wp-json\/wp\/v2\/media?parent=27536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramias.com\/upsc\/wp-json\/wp\/v2\/categories?post=27536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramias.com\/upsc\/wp-json\/wp\/v2\/tags?post=27536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}