- Upper gastrointestinal (GI)
- MR linac
Dr Das has been actively involved in various national and international clinical trials. He is a first author of a number of publications in peer-reviewed journals and also worked as a reviewer in international journal. He has also contributed as author of Pocket Guide to Human Tumors and Cancer by CRC press USA.
- American Society of Clinical Oncology
- European Society of Medical Oncology
- Royal College of Radiologist UK
- Royal College of Physician UK