Train to Sikkim: Railways completes mining in 10 out of 14 tunnels, sets August 2025 deadline

​​The project, covering a total length of 44.96 km between Sivok (West Bengal) to Ranpo (Sikkim), has 14 tunnels, 22 bridges (13 major and 9 minor) and five railway stations viz Sivok, Riyang, Teesta Bazar, Melli and Rangpo.