NEW DELHI: The Delhi Metro Rail Corporation has completed the longest underground tunnel on the Tughlakabad-Aerocity corridor of Phase-IV, marking a significant milestone in its ongoing expansion. The tunnel stretches between the Tughlakabad Airforce Launching Shaft and Maa Anandmayee Marg, the DMRC said in a statement on Wednesday. A 105-metre-long tunnel boring machine broke through at Maa Anandmayee Marg station …
