Track Maintenance Work of NS Corridor (APMC Station to Motera Station including Gyaspur Depot, Ramp and Pocket track) of Ahmedabad Metro Rail Project Phase-1 and (Motera Stations End to Mahatma Mandir Station, GNLU to Gift City Corridor including Indroda Park depot, Ramp, Pocket Track, Exit & Entry Lines and Dead Ends) Ahmedabad Metro Rail Project Phase-2