b. Another significant contribution has been in the development of “speciality of Arrhythmia” in the country. He established the technique and facility of radiofrequency ablation to cure arrhythmic disorders at the AIIMS, New Delhi in 1992. He further helped to establish these facilities at other centres in the country including PGIMER, Chandigarh.

c. He is again the first in India and South Asian region to introduce the therapy of automatic implantable cardioverter and defibrillator (ICD) in 1995 and this contribution is recorded in the LIMCA Book of Records (1997). In 2000, he introduced the technique of multisite pacing system as a therapy for heart failure in the country (LIMCA Book of Records -2019)

He is recognised as one of the pioneers in the field of Electrophysiology, Pacemaker and Heart Failure

He has published more than 240 articles and 236 abstracts in both national and international journals of repute and has contributed 21 chapters in various books.

He is the recipient of the third highest civilian award – Padma Bhushan (2006) besides recipient of 15 national academic and professional awards including BC Roy National Award (2000) for Eminent Teacher, Aryabhata Award (Indian National Science Academy-2012), Basanti Devi Amir Chand Award (ICMR-2003) and delivered 25 orations.

He had been the President, National Academy of Medical Sciences (2009-2012) and Chairman, Board of Governors, Medical Council of India (MCI) from 2011-2013,

As Chairman of MCI, he ensured admission through merit across the country by initiating and notifying NEET. NEET is considered a revolutionary step in Medical Education in the country.

As Hon Advisor, Government of Punjab, Health and Medical Education (2013-2021), he contributed significantly to develop and strengthen the healthcare services and Medical Education in the state of Punjab.