With 1.4 Km-Long Tunnel, First Tunneling Stretch For Delhi Metro 4th Phase Completed

The first-ever tunnelling stretch of Delhi Metro's fourth phase was completed at Krishna Park Extension on the Janakpuri West - RK Ashram Marg corridor with a tunnel boring machine (TBM) breaking through after boring a 1.4 kilometre long tunnel. The main tunnelling work on this stretch began in April last year after completing the initial drive. The tunnel breakthrough using a 73 metre long TBM was done on Friday, according to detail...