The Purple Line is a part of the Namma Metro metro rail system for the city of Bengaluru, Karnataka, India. As of 2021, the line is 25.7 km and spans 23 stations from Kengeri in the southwest to Baiyappanahalli to the east. The Purple Line is mostly elevated, with 17 elevated stations, 5 underground stations and 1 at-grade station. The Line passes through many prime activity centers of the city including MG Road, Vidhana Soudha and Majestic station, which is an interchange station between Purple and Green Lines. Phase I of the Purple Line was the first underground metro section in South India.