hey

congratulations, you are expecting good marks but these are not enough to get medical government seat in tamil nadu through states quota because according to previous year the cut off was 590 marks or above for BC category. you may find colleges in different states where you might get government seat. or you may find private colleges in tamil nadu. predict you score on the basis of neet score by visiting following link https://medicine.careers360.com/neet-college-predictor?icn=neet_clgpd_landing_page&ici=clevertap-sticky-web# 

goodluck.