Engineering Marvel Under the Brahmaputra: India’s Underwater Connectivity Revolution
In a historic leap for Indian infrastructure the Union Cabinet has approved a Rs -crore greenfield project to build a four-lane access-controlled corridor between Gohpur and Numaligarh in Assam The crown jewel of this initiative is India s first underwater road-and-rail tunnel under the Brahmaputra River making it only the second such tunnel in the world This project is set to redefine connectivity in the Northeast linking Assam Arunachal Pradesh Nagaland and neighboring states while strengthening both economic and strategic dimensions of the region Currently the journey between Numaligarh on National Highway and Gohpur on NH- covers km via Kaliabhambhora near Silghat on NH- taking approximately six hours This route winds past Numaligarh Kaziranga National Park and Biswanath town creating both logistical challenges and longer travel times The new underwater tunnel coupled with the four-lane corridor promises to drastically reduce travel time enhance safety and provide year-round connectivity overcoming the