Hi

Your profile suggests that your domicile state is Tamil nadu

It's quite difficult to predict that whether you will get  seat or not as  cut off marks for medical colleges keeps changing every year  depending upon various factors like  number of students that appeared in the exam, kind of marks obtained by them , toughness level of the examination etc.

When we go through previous data then

>>>> With 515 marks

Yes, You hold good chances in government bds colleges

For example,

in neet  2019,  440 marks for obc category got a bds seat in Tamil Nadu Government Dental College, Chennai Government Medical College,   under Tamilnadu  State quota

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

To get the  list of colleges in which you have chances, you can go through our college predictor at

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

It gives you a personalized report with top college in which you have chances for admission , with the help of predicted colleges you can make better choice while filling your choices of colleges during your counselling

Thankyou