PM Modi and Karnataka Chief Minister DK Shivakumar together flagged off the new services and travelled on the Metro train. PM Modi inaugurated Bengaluru Metro's Pink Line, rode the newly opened stretch with Karnataka CM DK Shivakumar after buying his ticket using UPI. The 7.5-km stretch was built at Rs 3,470 crore. Prime Minister Narendra Modi on Friday inaugurated the Bengaluru Metro’s Pink Line from Kalena Agrahara to Tavarekere.