Dear Akshay,

Yes, there are colleges that offer Radiology as a course in Tamil Nadu and Kerala. 

Here is the list:

Tamil Nadu

1. Karpaga Vinayaga Institute of Medical Sciences, Chennai.

2. Christian Medical College, Vellore.

3. Madras Medicak College and Government General Hospital, Chennai.

4. ARS Group of Institute Educational, Cuddalore.

5. Stanley Medical College, Chennai.

6. Madurai Medical College, Madurai.

7. Dr. NGP Arts and Science College, Coimbatore.

8. Chennai Medical College: College of Nursing, Chennai.

Kerala

1. Amrita University, Kochi.

2. Pariyaram Medical College, Kannur.

3. Sree Gokulam Medical College and Reseaech Foundation, Trivandrum.

4. Upasana College of Nursing, Kollam.

5. Westfort Institute of Paramedical Sciences, Thrissur.

Hope it Helps.

Good Luck.