Hey,
Every year the cutoffs change depending upon the number of candidates appearing for the examination,the category of the candidates,the difficulty level of the question paper. If we take into consideration the previous year cutoff, you do have chances in a government Medical College in Tamil Nadu under Open Category.
Based on your marks,you can get colleges like Government Vellore  Medical College, Kanyakumari Government Medical College,KAP Vishwanathan Government Medical College,Salem.

I am providing below the link of NEET College Predictor that will help you know about your chances in a Medical College in a more specified mannerhttps://medicine.careers360.com/neet-college-predictor?icn=NEET_clgpd&ici=NEET_text-mapping
Hope this helps.
Good luck.

Hey,

if you are a general category student it is not possible for you to get admission in a government medical college in Tamil Nadu with this score. The cut offs are expected to be higher this year than last year and would be most probably more than 550 in most of the colleges. So your chances are very less For government colleges. You might get a private college.Use the college predictor tool to get the complete list of colleges that you have chances of getting in-

https://medicine.careers360.com/neet-college-predictor

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