- Developed the largest Aortic Surgery program in India (conducted more than 1700 Aortic operations in children/adults, conducting 200 Aortic Surgeries every year).
- This includes 1100 Aortic Root surgeries (Largest individual experience)
- Achieved nearly 0% mortality for non-dissecting Ascending Aortic surgery
- Overall mortality for Type A Dissections: 2.5% (Accepted as per IRAD: 15-25%)
- Modified Circuit for Retrograde Central Perfusion- Asian Cardiovascular Thoracic Annals, 2003, March:11(1);85-86
- Part of Principal Investigators at International Registry of Aortic Dissections. Only center from India as part of IRAD. Second center in Asia.
- One of the largest experiences on Redo-Aortic surgeries in the World. Initial experiences presented at Aortic Surgery Symposium in New York.
- Started one of the earliest endovascular programs of treatment of Aortic Diseases in collaboration with Dr. Sanjeev Sharma, Cardiac Radiologist, AIIMS, New Delhi (1997).