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DMRC Completes Tunneling for Phase-IV's Aerocity-Tughlaqabad Corridor
New Delhi,December 26, 2025: The Delhi Metro Rail Corporation (DMRC) achieved a major milestone as the tunnel boring machine (TBM) 'Sutlej' broke through at Tughlaqabad station, completing the 5.8 km twin-tunnel drive for the Aerocity to Tughlaqabad section of the Silver Line (Airport Express extension). This is one of the most challenging stretches due to rocky terrain. With this, 65% of the civil work on the Phase-IV priority corridors is now complete.
New Delhi,December 26, 2025: The Delhi Metro Rail Corporation (DMRC) achieved a major milestone as the tunnel boring machine (TBM) 'Sutlej' broke through at Tughlaqabad station, completing the 5.8 km twin-tunnel drive for the Aerocity to Tughlaqabad section of the Silver Line (Airport Express extension). This is one of the most challenging stretches due to rocky terrain. With this, 65% of the civil work on the Phase-IV priority corridors is now complete.
