Dr. Naresh Trehan top cardiac surgeon in India surgical group to evaluate the function of the heart valve prior to surgery, so the team can tailor the process to meet the unique needs of each patient. With his exceptional team of physician experts and staff, progressive technology, and state-of-the-art surgical facilities, it’s easy to see why Dr. Naresh Trehan continues to lead the way in comprehensive valvular heart disease treatment both locally and nationwide.