The first graft has been performed on the Prime Minister at 1510 hrs IST in AIIMS said, Dr Sudhir Vaishnav, cardio-vascular thoracic surgeon with the Asian Heart Institute (ASI), Mumbai.
Prime Minister Manmohan Singh was wheeled into the operation theatre at 0530 hrs IST.
An eleven member team from the ASI led by Dr Ramakant Panda was performing the operation on the 76-year-old leader at the AIIMS. The team comprises three more doctors and the rest are support staff.
OneIndia News (With inputs from Agencies)