Hello Aspirant

Yes, you have higher chances of getting a medical seat in government colleges of Tamil Nadu with a score of 330 marks, sc category, and state quota; if we keep last year's cutoff in mind.

You can go through the list of colleges with their last year's cutoff in the link mentioned below, to get a more broad view for your chances to get admission in Tamil Nadu-

https://medicine.careers360.com/articles/neet-cutoff-tamil-nadu

I hope this information proves helpful to you.

All The Best