1. Departments of Cardiac Surgery, Narayana Superspeciality Hospital, Howrah, India
2. Pediatric Cardiac Intensive Care, Narayana Superspeciality Hospital, Howrah, India
3. Cardiac Anaesthesia, Narayana Superspeciality Hospital, Howrah, India
4. Pediatric Cardiology, Narayana Superspeciality Hospital, Howrah, India