DTU takes admission through JEE Main. 

Based on your marks you have less chances in this college.

Your approx.rank will be around 70,000 

You can get good private college in other states like: Haryana, UP, West Bengal, Punjab, Rajasthan, Maharashtra. Most of the states have reservation for other state studnets in private colleges based on JEE Main score/rank. You need to apply separately for them.

All the Best!!