You haven't mentioned your son's rank. But going by the marks the rank might be approximately between 30-50,000. You haven't mentioned your Category either. So this answer is being written assuming that you belong to General Category.

General Surgery:

VMKV Medical College

Aarupadai Veedu Medical College

Sree Balaji Medical College

Anaesthesia:

VMKV Medical College

Chettinad Academy of Higher Education

Dr. D.Y.Patil Vidyapeeth

Now this is 2019 data and cut offs change every year depending on various factors such as no.of Candidates appearing for the exam, no.of Candidates qualified, difficulty of the exam, and no.of seats available for each specialisation. Please try our College predictor to check the possibility of other specialisations with you rank:  https://medicine.careers360.com/neet-pg-all-india-college-predictor

Hello,

I appreciate you son's score. It is really well. I hope he will get admitted to one of the good colleges. Yes, there are some possibilities that he will get seat in Tamilnadu itself. Just be cautious while your choices.

Here is the link of college predictor, which will surely help you to know which colleges you may get:

https://medicine.careers360.com/neet-pg-college-predictor?utm_source=google-search&utm_medium=paid&utm_campaign=neet-pg-college-predictor

Hope this data helps you. Feel free to ask.

All the best for your son's career.