PhD fellowship in cardiovascular surgery from Bakulev Institute, returned to India in 1991 and joined Escorts Heart Institute and Research Centre, New Delhi.Trained / fellowship in:- Fellowship (CTVS) from University Hospital Upsala, Sweden Minimally Invasive Cardiac Surgery from University Hospital Utrecht Netherland Robotic Cardiac Surgery training from University Hospital Utrecht Netherland Robotic Cardiac Surgery training from Odessa Texas, USA Robotic MidCAB Surgery training from Columbia University Medical Centre, USA Robotic Cardiac Surgery training from Ohio State University Columbus Medical Centre, USA Special Course in Endoscopic IMA harvesting from Institute of Tele surgery, University of Strasbourge, France. Minimally access Valve Surgery (Heart Post surgery or Key hole surgery) from heart port Research and Training Centre in Salt Lake City , Utah, ``USA