1982 - 1983 Senior Registrar at Mahatma Gandhi Institute of Medical Sciences
1983 - 1987 Assistant Professor at M.P. Shah Medical College
1987 - 1990 Assistant Professor at Maulana Azad Medical College Delhi
1990 - 1993 Associate Professor at Maulana Azad Medical College
1993 - 1995 Head of Dept. at JIPMER
1995 - 1996 Professor at UCMS GTB Hospital
1996 - 2017 Proprietor at Transmed Diagnostics