Sikkim rail link nears reality with key tunnel breakthrough
RAILWAYS & METRO RAIL

Sikkim rail link nears reality with key tunnel breakthrough

Train connectivity to Sikkim has moved closer with the breakthrough of Tunnel No. 8 on the Sevoke–Rangpo railway line, executed by the Northeast Frontier Railway. The 44.96-km project spans West Bengal and Sikkim, with nearly 86 per cent of the alignment running through tunnels, alongside 13 ...

Train connectivity to Sikkim has moved closer with the breakthrough of Tunnel No. 8 on the Sevoke–Rangpo railway line, executed by the Northeast Frontier Railway. The 44.96-km project spans West Bengal and Sikkim, with nearly 86 per cent of the alignment running through tunnels, alongside 13 major bridges and multiple minor bridges.Tunnel No. 8, stretching 4.148 km, was constructed under complex geological conditions, including weak and fractured rock strata and proximity to the sensitive NH-10 corridor. With this milestone, tunnelling has been completed in 13 of the 14 tunnels.The project includes five stations—Sivok, Riyang, Melli, Rangpo, and Teesta Bazar—and is targeted for commissioning by December 2027. The latest estimated cost stands at Rs 119.73 billion.The rail link is expected to improve regional connectivity, reduce reliance on road transport, and strengthen logistics to border areas. It will boost tourism and facilitate faster movement of goods, while also demonstrating advanced tunnelling capabilities in challenging Himalayan terrain.

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