Dr. Z.S. Meharwal is a senior cardiothoracic and vascular surgeon with over 30 years of experience.

He has successfully performed more than 30,000 cardiac surgeries, including left ventricular assist device (LVAD) implantation and complex heart surgeries.

His areas of expertise also include carotid endarterectomy, major vascular surgery, valve repair and replacement, minimally invasive cardiac surgery, and off-pump coronary artery bypass surgery.

Dr. Z.S. Meharwal entered the Limca Book of Records for performing coronary artery bypass graft (CABG) surgery on a 94-year-old man, the oldest patient to undergo the procedure, further underscoring his expertise in complex cardiac surgeries.

One of his notable achievements includes a heart transplant on a 23-year-old lady, who had been suffering from restrictive cardiomyopathy for nine years. The donor's heart was retrieved in just 27 minutes and 56 seconds from a 58-year-old donor, and then the heart was successfully transplanted.

The Patient recovered well after surgery, which highlights the success of heart transplantations even with a high death rate from cardiovascular disease in India.