India, June 8 -- The Delhi Metro Rail Corporation (DMRC) on Friday completed a significant tunnelling milestone on the Aerocity-Tughlakabad corridor-also known as the Golden Line-after a Tunnel Boring Machine (TBM) broke through at Tughlakabad Railway Colony station. The breakthrough marked the completion of a 792-metre-long underground tunnel stretch excavated from Maa Anandmayee Marg, officials said.

The tunnel, built at an average depth of 18 metres, is part of the 19.3-kilometre underground alignment of the corridor, which spans 23.6 kilometres in total. Once complete, it is expected to bolster east-west connectivity in South Delhi and provide a seamless interchange with the Violet Line at Tughlakabad.

The event was attended by Delh...