https://www.hindustantimes.com/cities/bengaluru-news/namma-metro-why-tunnel-boring-machine-lavi-got-stuck-200-times-101650098998811.html
Rocky conditions, oxygen shortage (due to Covid) and lack of manpower were some of the issues which caused the delays to the project that started on Feb 10 in 2021. | Bengaluru News
https://www.hindustantimes.com/cities/bengaluru-news/namma-metro-why-tunnel-boring-machine-lavi-got-stuck-200-times-101650098998811.html
Namma Metro: Why Tunnel Boring Machine ‘Lavi’ got stuck 200 times
www.hindustantimes.comRocky conditions, oxygen shortage (due to Covid) and lack of manpower were some of the issues which caused the delays to the project that started on Feb 10 in 2021. | Bengaluru News