Hello Aspirant,

You can easily get chance for BDS with a marks of around 270-280, and also you belong to SC category.  It too depends upon 15% All India quota  and 85% state quota seats in government colleges. Also last years cut-off too. So you can predict your rank by using the NEET rank predictor:

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

Use this to predict  the colleges by using this predictor link:

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

Check out the seats for BDS colleges out here:

https://medicine.careers360.com/articles/mbbs-bds-seats-in-india-through-neet

Also check out the Cut-off :

https://medicine.careers360.com/articles/neet-cut-off

Thank you.