Kolkata Metro's Purple Line Progress: Tunneling into the Future
Published on: Oct. 11, 2025, 9:27 p.m. | Source: Devdiscourse
Metro Railway Kolkata has initiated tunneling work on the Purple Line using the second Tunnel Boring Machine, named Divya. This marks a significant step in constructing 2.65 km twin tube tunnels, with completion expected by 2027. New TBM technology ensures safety and efficiency in the construction process.
