Hello prakhar,

 I am here to help you with your query.

Yes you can get a decent college.

To predict your college refer this link ,

https://www.careers360.com/upsee-college-predictor

.

Yeah some good colleges for CSE are 

https://engineering.careers360.com/colleges/ranking/2018/top-engineering-colleges-in-uttar-pradesh-accepting-upsee-score

Refer the list in this link provided.

And 

Remember!

For more queries do comment below.

Good luck dear :)