New Delhi, July 17 -- The Delhi Metro Rail Corporation (DMRC) marked a significant milestone today with another successful tunnelling breakthrough on the Aerocity-Tughlakabad corridor, part of its ongoing Phase-IV expansion.

A Tunnel Boring Machine (TBM) completed a 0.96-kilometre tunnel between Tughlakabad and Tughlakabad Railway Colony, culminating in a breakthrough at the Tughlakabad Railway Colony site. This achievement underscores DMRC's steady progress on the 23.6 km-long corridor, which will enhance metro connectivity in South Delhi and link major transport hubs such as the Airport Express Line at Aerocity and the Violet Line at Tughlakabad.

The Aerocity-Tughlakabad corridor is one of the three priority corridors under Phase-IV a...