Mumbai Metro Rail Corporation (MMRC) on Thursday achieved yet another milestone with its 28th breakthrough from Chhatrapati Shivaji Maharaj Terminus to Mumbai Central. Vaitarna-2 is the first TBM to complete the stretch of 4km in a single drive.

Vaitarna-2, the Tunnel Boring Machine (TBM) of this package was commissioned on February 2, from CSMT launching shaft and completed its longest run at Mumbai Central station with 2,730 RCC rings.