Heyy atikesh
With 512 marks and belonging to st category you can get govt medical College through all India quota as well as state quota. As you have not mentioned your preferred state i cannot suggest you colleges as they are so many colleges in so many states. I provided a link below which can help you to find college as per your neet score.
We are predicting this on the basis of previous year cut off trends. We. Are not sure about this year cut off as it changes every year depending on no.of candidates, no.of seats and difficulty of exam. So hope for better result this time.
Here is a tool which can predict college on the basis of neet score. I hope this might help you


https://medicine.careers360.com/neet-college-predictor?icn=NEET_clgpd&ici=NEET_article_view_sticky

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