The length of Tunnel No. 12 is 1406 m located between Tarkhola and Shukia Khola in the Kalimpong district of West Bengal. The tunnel traverses through vulnerable and challenging geological conditions of the lesser Himalayan range, as per an official statement.
Imphal (Manipur) [India], Nov. 12 (ANI): Union Railway Minister Suresh Prabhu on Saturday laid the foundation stones of Station Building at Tupul, commencement of work at Portal No. 2. and foundation of Safety Tunnel of Longest Tunnel No. 12 at a function organized by the Northern Frontier R