There is not only one single exam which you have to clear for admission in radiography/ radiology course. There are various entrance examinations conducted by colleges and Universities in India for providing admission in radiography course. The name of the popular entrance examinations are mentioned below:

1. Dibrugarh University radiography/ radiology  entrance exam
2. Annamalai University  entrance exam
3. All Indian Institute of Medical Sciences  entrance exam
4. Manipal University entrance exam
5. Tamilnadu doctor MGR Medical University entrance exam
6. Mohandas Oswal cancer treatment and Research Foundation entrance exam
7. Himachal Pradesh University entrance exam

Read more:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/courses/radiology-course&ved=2ahUKEwjkzuuZpIP3AhWKLZQKHaKkC5gQFnoECAQQAQ&usg=AOvVaw0dAb8QmfqyJfYVgEd-8uYx