Hello Amarjeet,

The lost of colleges in Tamilnadu having the benefit of internal reservation are-

1. Christian medical College, Vellore

2. SRM medical hospital college and research centre, Chennai

3. Shri Ramchandra medical college and research institute, chennai

4. Madras medical college, Chennai

5. SRM institute of science nad technology, Chennai

6. Stanley medical college, Chennai

7. Tirunelveli medical college, Tirunelveli

8. Saveetha medical College and hospital, Kanchipuram

9. Karpagam faculty of medical science and research, Coimbatore

10. Chengalpattu medical College, Chengalpattu

Hope it helps :)