Dr. Tarlochan Singh Kler is among the best Interventional Cardiologists and has conducted more than 25,000 Coronary, Renal, Carotid, and Peripheral Angioplasties. He is a pioneer in Electrophysiology and founded the Fortis Escorts Heart Institute's first Electrophysiology Department in India. In 1993, he started radio frequency ablations program at Escorts. In India, he was the first physician to implant an ICD, CRT-P, and CRT-D. In 2015, he also performed India's first HIS bundle pacing.