1. RMO, Dept. of Haematology, TNMC & BYL Nair Charitable Hospital, Mumbai, 2. RMO, Dept. of General Medicine, LTMMC & LTMG Hospital, Mumbai, 3. Clinical Assistant, Dept. of Critical Care Medicine, P. D. Hinduja National Hospital & Medical Research Centre, Mahim, Mumbai for 2 years, 4. D.N.B. Fellowship, Dept. of Critical Care Medicine, P. D. Hinduja National Hospital & Medical Research Centre, Mahim, Mumbai for 2 years, 5. Chief Intensivist & Consultant Physician, Dept. of Medicine & Critical Care, Sterling Wockhardt Hospital, Vashi for 1.5 years, 6. Chief Intensivist & Consultant Physician, Dept. of Critical Care, Terna Sahyadri Hospital, Nerul for 3.10 years.