NEW DELHI: As part of Delhi Metro’s Phase-IV project, the first tunnel boring machine on the under-construction Aerocity-Tughlakabad corridor began work on Friday, officials said. At present, the Delhi Metro Rail Corporation (DMRC) is doing construction work on 65.1 km of phase-IV priority corridors which comprise Janakpuri West to RK Ashram Marg (28.92 km), Majlis Park to Maujpur (12.55 km), which are extensions of the already operational Magenta Line and Pink Line respectively, and Tughalakabad to Aerocity (23.62 km) which is being built as ‘Silver Line’.
