Mumbai: The Mumbai Metro Rail Corporation Limited (MMRCL) tweeted about the 22nd breakthrough at the Chhatrapati Shivaji International Airport (CSMIA) metro station on Saturday.
The tweet read, "MMRC achieves its 22nd Tunnel Breakthrough at the Mumbai underground CSMIA Terminal 1.
Tunnel Boring Machine (TBM) Godavari 2 travelled a distance of 2867 metres downline from Vidyanagari, Santacruz using 2048 rings to reach its destination. This is the fourth TBM Breakthrough for package six."
