Dr. Sudarsan De

MBBS, MD Radiation Oncology(AIIMS)

Dr. Sudarsan De is a highly distinguished Radiation Oncologist with more than four decades of experience in delivering advanced cancer care. A respected leader in his field, he is widely known for his exceptional clinical expertise, deep academic involvement, and unwavering dedication to patient-centred oncology. Over the years, Dr. De has significantly contributed to the evolution of radiation therapy in India through his work in major hospitals, his leadership in developing oncology departments, and his commitment to teaching and mentoring the next generation of specialists. His approach blends modern technology with compassionate care, ensuring that every patient receives treatment tailored to the highest standards of safety, precision, and comfort. With extensive global exposure and a reputation built on consistency, integrity, and clinical excellence, Dr. Sudarsan De stands as one of the most trusted and experienced figures in Indian oncology.

Education & Qualifications

Dr. Sudarsan De completed his MBBS from the renowned Nil Ratan Sircar Medical College, Kolkata, followed by an MD in Radiation Oncology from the prestigious All India Institute of Medical Sciences (AIIMS), New Delhi. Throughout his career, he has continued to enhance his expertise through specialised training programs in Italy, Germany, Belgium, the USA, and the UK, gaining hands-on experience with some of the world’s most advanced radiation technologies.

Training & Technical Expertise

His professional training includes in-depth exposure to a wide range of modern radiation techniques such as IMRT, IGRT, CyberKnife, Gamma Knife, SRS/SBRT, and Brachytherapy. This advanced skill set enables him to deliver highly precise, organ-sparing cancer treatments tailored to individual patient needs. His international training experience has helped him stay at the forefront of technological advancements, bringing global treatment standards to the Indian clinical landscape.

Professional Experience

Over the span of his career, Dr. De has held several senior and leadership roles at some of India’s most respected hospitals. He began his journey as an Assistant Professor at AIIMS, New Delhi, and later served as Senior Consultant at Dharamshila Cancer Hospital, Batra Hospital, and Anand Hospital. His leadership roles include serving as Chairman of Oncology Services at the Galaxy Cancer Institute, Pushpanjali Crosslay Hospital, and as Director of Radiation & Oncology Services at Jaypee Hospital in Noida. Currently, he leads oncology operations as the Group Director of Radiation Oncology at Yatharth Group of Hospitals in Delhi NCR, where he oversees the integration of advanced technology and evidence-based clinical practices across multiple centres.

Academic & Mentorship Contributions

Dr. De has made remarkable contributions to oncology education. He has trained and mentored more than 100 residents across various disciplines, including Oncology, Surgery, ENT, and Gynaecology. He also pioneered the DNB postgraduate training program, strengthening academic standards and promoting structured, high-quality oncology training. His academic involvement includes authoring chapters in medical textbooks and participating as a speaker, panellist, and chairperson at national and international oncology conferences.

Professional Memberships

He is an active member of several leading oncology associations, such as the American Society of Clinical Oncology (ASCO), European Society of Medical Oncology (ESMO), Society of Surgical Oncology (SSO), and the European Society for Therapeutic Radiology and Oncology (ESTRO). These memberships reflect his commitment to continuous learning and to contributing meaningfully to the global medical community.

Languages & Patient Care Philosophy

Fluent in English, Hindi, and Bengali, Dr. De connects effectively with patients from diverse backgrounds. His treatment philosophy is grounded in empathy, clarity, and scientific precision. He believes in empowering patients with the right information while ensuring comfort, trust, and confidence throughout their cancer journey. His rich clinical experience, combined with his passion for innovation and education, makes him a cornerstone of modern radiation oncology in India.