Sorry to disappoint you but you can't get a BDS seat in any government college with this score. As if you belong to general or obc category you need to score more than 500 to get BDS seat in any top government college. You can only get some low private medical colleges with this score. 

You can predict what colleges you might get with these marks by going through the link of neet College predictor tool given below.

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

Hope it helps.