Larsen & Toubro’s Tunnel Boring Machine Urja (DZ670) achieved its third and final breakthrough at the Shadi Mahal TBM Retrieval Shaft on Bengaluru Metro‘s Pink Line (Reach 6), which is 21.386 km in length on 10 January 2023.

https://www.constructionworld.in/transport-infrastructure/metro-rail-and-railways-infrastructure/l-t---s-tbm-urja-achieves-third-breakthrough-of-bengaluru-pink-line/38661