Thanks for the question. 

You will be able to get seats only in the deemed universities and the private medical colleges  

Here are a few colleges in tamil nadu -

ACS Medical College and Hospital

Annapoorana Medical College - AMC

Bharath Institute of Higher Education and Research - BIHER

Chennai Medical College Hospital and Research Centre - CMCH&RC

Chettinad Academy of Research and Education - CARE

Dhanalakshmi Srinivasan Medical College and Hospital

Madha Medical College and Hospital

All the best