Hello!

To become a radiation oncologist, you require B.Sc in  applied physics, MBBS or BDS degree from a recognized university.

After your graduation, you need to pursue MD in Oncology or MD in Radiotherapy followed by DM (Medical Oncology).

After completion of graduation and post graduation in Radiology and Oncology, one can join start working as radiology oncologist in public and private firm.

Hope this answers your query.