Prime Minister Narendra Modi on Friday inaugurated the much-awaited Pink Line from Kalena Agrahara to Tavarekere of the Metro Rail project here, built at a cost of around Rs 3,470 crore. PM Modi and Karnataka Chief Minister DK Shivakumar together flagged off the new services and travelled on the Metro train. PM Modi and Shivakumar were also seen buying separate tickets from the counter.