DMRC Completes Deepest Underground Tunnel of Phase 4 on Aerocity-Tughlakabad Corridor, Achieving Key Milestone
The Delhi Metro Rail Corporation (DMRC) today completed tunnelling work on the deepest underground stretch of Phase 4 with the breakthrough of a tunnel boring machine at the IGNOU station site (from Chhatarpur Mandir) on the Aerocity – Tughlakabad corridor (Golden Line).
This unique feat was achieved in the august presence of the hon’ble Chief Minister of Delhi, Smt. Rekha Gupta. Delhi’s Minister of Industries, Food & Supplies and Environment, Forest & Wild Life, Sh. Manjinder Singh Sirsa was also present on the occasion.
This new tunnel has been constructed at an average depth of approximately 27.0 meters (min depth 15.0 mtr & max. 39) making it one of Delhi Metro’s deepest tunnels. It is pertinent to mention that work on another parallel tunnel between Chhatarpur Mandir and IGNOU was completed on 25th February 2025.
Therefore, now tunnelling work on both the up and down lines have been completed on this challenging stretch.
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