A major part of the underground network at the Mannadi-Madras high court station will get over with the completion of task by two tunnel boring machines. Each of these ought to drill up to a distance of 690 meters. As of now, they have drilled up to 655 and 672 meters respectively.
When enquired to one of the metro rail officials, he stated that both these machines would reach the madras high court in the coming week.