<h1>Railway Minister Celebrates Breakthrough of India's Longest 14.57-km Tunnel, Advancing Himalayan Transportation and Connectivity Efforts</h1> A railway minister witnessed the breakthrough of India's longest rail tunnel in Uttarakhand, marking a significant milestone in Himalayan rail connectivity. The 14.57-km tunnel, part of the Rishikesh-Karnaprayag rail project, was excavated using a German-made tunnel boring machine. The project aims to enhance connectivity across hill states, with over 83% of the alignment passing through tunnels. This breakthrough represents a technological advancement in mountainous rail infrastructure.