• Senior Consultant, Clinical Oncology at Apollo Cancer Centre, Kolkata
• Former Consultant – Leeds Cancer Centre, UK
• Member of Association of Radiation Oncologists of India
• Member of Indian Medical Association
• Member of National Academy of Medical Sciences
• Member of European Society of Medical Oncology
• Member of European Society for Radiotherapy and Oncology
• Fellow of Royal College of Radiologists, London (United Kingdom)
• Member of Indian Society of Oncology
• Member of Indian Society of Neuro-Oncology