Afcons Infrastructure's TBM Disha (1264B) completed a breakthrough at Tughlakabad Railway Colony station on the Golden Line of Delhi Metro Phase 4, part of Package DC-07. The Golden Line extends 23.622 km from Aerocity to Tughlakabad, with 15 stations. TBM Disha, an Earth Pressure Balance Tunnel Boring Machine, built a 0.96... km tunnel between Tughlakabad and Tughlakabad Railway Colony station. Afcons Infrastructure won Package DC-07 in January 2022 for Rs. 1669.20 crore, with a 42-month deadline, covering twin tunnels from Sangam Vihar to Sarita Vihar Depot, encompassing Maa Anandmayee Marg, Tughlakabad Railway Colony, and Tughlakabad stations. In June 2025, a breakthrough occurred at Tughlakabad Railway Colony station, with the TBM starting from Maa Anandmayee Marg. Additionally, DMRC awarded Rail Vikas Nigam Limited (RVNL) the viaduct and platform construction contract for the Golden Line Extension (Lajpat Nagar- Saket G Block) under Contract D2C-02.

Afcons Infrastructure ki TBM Disha (1264B) ne Delhi Metro Phase 4 ke Golden Line ke Tughlakabad Railway Colony station par breakthrough kiya, jo Package DC-07 ka hissa hai. Golden Line 23.622 km lambi hai, Aerocity se Tughlakabad tak, jisme 15 stations hain. TBM Disha, ek Earth Pressure Balance Tunnel Boring Machine,... ne Tughlakabad aur Tughlakabad Railway Colony station ke beech 0.96 km tunnel banaya. Afcons Infrastructure ne January 2022 mein Package DC-07 Rs. 1669.20 crore mein jeeta, jisme 42-month ka deadline tha. Ismein Sangam Vihar se Sarita Vihar Depot tak twin tunnels, Maa Anandmayee Marg, Tughlakabad Railway Colony, aur Tughlakabad stations shamil hain. June 2025 mein, Tughlakabad Railway Colony station par breakthrough hua, TBM Maa Anandmayee Marg se shuru hui. DMRC ne Rail Vikas Nigam Limited (RVNL) ko Golden Line Extension (Lajpat Nagar- Saket G Block) ke liye viaduct aur platform construction contract Contract D2C-02 ke tahat diya.