Delhi Metro on Track to Become 100 Percent Green Updated On Sat, Jul 29th, 2017 by Saurenergy The Delhi Metro Rail Corporation received the green certificates for its Phase-3 stations, depots, and sub-stations said a statement, and have now become only completely ‘green’ Metro system in the world for adhering to green building norms for its residential colonies. Delhi Metro has become the only completely ‘green’ Metro system in the world for […] Read more