Tunnel Boring Machine Tapi-1 of J. Kumar and China Railway Tunnel Group make Mumbai Metro Line 3's 31st breakthrough.
https://www.metrorailnews.in/tbm-t61-provides-a-rapid-pace-to-tunnelling-work-of-mumbai-metro-line-3/
TBM T61 provides a rapid pace to tunnelling work of Mumbai Metro Line-3 amid a time when labour shortage is there in Mumbai.
https://www.metrorailnews.in/tbm-t61-provides-a-rapid-pace-to-tunnelling-work-of-mumbai-metro-line-3/
TBM T61 provides a rapid pace to tunnelling work of Mumbai Metro Line-3 - Metro Rail News
www.metrorailnews.inTBM T61 provides a rapid pace to tunnelling work of Mumbai Metro Line-3 amid a time when labour shortage is there in Mumbai.