Jacob Smith17 Feb 2026India Approves First Underwater Road-Rail Tunnel India has approved a ₹18,000+ crore project to build its first underwater road-and-rail tunnel under the Brahmaputra River in Assam. The corridor aims to significantly reduce travel time between Gohpur and Numaligarh while boosting regional connectivity. #IndiaInfrastructure #Assam #Brahmaputra #Development #RoadRail11 likes8 comments#brahmaputra#roadrail#development#indiainfrastructure#assam