1983 - 1986 Senior Registrar, Department of Pediatrics and Neonatology at Kalawati Saran Children Hospital & Lady Hardinge Medical College, New Delhi
1986 - 2025 Pediatric Office Practice at Dr. R.D. Srivastava's Clinic
1986 - 1996 Junior Consultant, Division of Neonatology at Sunder Lal Jain Hospital and Research Center
1996 - 2010 Senior Consultant, Division of Neonatology at Sunder Lal Jain Hospital and Research Center
2010 - 2016 Senior Consultant & Coordinator, Department of Paediatrics at Fortis Hospital, Shalimar Bagh,
2004 - 2016 Senior Consultant, Department of Paediatrics & Neonatology at Sri Balaji Action Medical Institute
2016 - 2025 Senior Consultant and Head of Department, Department of Paediatrics & Neonatology at Sri Balaji Action Medical Institute