https://metrorailtoday.com/news/itd-completes-factory-acceptance-test-of-1st-tunnel-boring-machine-for-chennai-metro-line-4
Chennai, India (Metro Rail Today): Chennai Metro Rail's ambitious Phase II for a network of 118.9 km…
https://metrorailtoday.com/news/itd-completes-factory-acceptance-test-of-1st-tunnel-boring-machine-for-chennai-metro-line-4
ITD completes Factory Acceptance Test of 1st Tunnel Boring Machine for Chennai Metro Line 4 | Metro Rail Today
metrorailtoday.comChennai, India (Metro Rail Today): Chennai Metro Rail's ambitious Phase II for a network of 118.9 km…