- Senior Consultant, Haematology Oncology at Apollo Cancer Centre, Kolkata
- Consultant, Fred Hutchinson Cancer Centre, UK
- Consultant, Royal Oldham Hospital, UK
- Member, European Haematology Association
- Member, American Society of Haematology
Dr Bhattacharya is Senior Consultant at Apollo Cancer Centre, Kolkata. He is a practising Clinical Haematology-Oncologist with over 30 years of experience. He has not only published research papers in various journals but also has the distinction of authoring chapters in the Thalassemia Thaman Haematological book.