If you're an obc or SC/ST candidate then you could get a seat in government medical colleges under state quota but the marks required for a general candidate to get admission in government colleges is above 550. You can check the previous year cutoffs of Delhi medical colleges by going through this link,

https://medicine.careers360.com/articles/neet-cutoff-du

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.