1996 - 1997 Senior Research Associate (CSIR Pool Scheme) in Renal Unit, Dept. of Medicine at King George’s Medical College
1997 - 1999 Fellowship in Clinical Nephrology, Dialysis and Transplantation at The Toronto Hospitals, Canada
1999 - 2003 Senior Consultant Nephjrologist at Indraprastha Apollo Hospitals and Holy Family Hospital, New Delhi
2003 - 2004 Senior Consultant & Head, Dept. of Nephrology at Escorts Heart & Super Speciality Institute Ltd.
2004 - 2009 Senior Consultant at Dept. of Nephrology & Kidney Transplantation, Fortis Hospital
2010 - 2017 Director &Head at Dept. of Nephrology & Kidney Transplantation, Fortis Hospital