Hello Aspirant

You have high chances of getting admission in Government medical colleges of Tamil Nadu with a score of 512 marks, mbc category, and state quota; if we keep last year's cutoff in consideration.

The list of colleges with their last year's cutoff under state quota is mentioned in the link given below, you can check the last year's cutoff of every college under mbc category; though with a score of 512, you will get admission easily in any.

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

I hope this information proves helpful to you.

All The Best