Hello adarsh,
Your chance of getting government college is very sure.
If you have 300+ marks then your chance is getting gvt college in AKTU.
you can check here last year cut off of all gvt college
https://www.google.co.in/amp/s/engineering.careers360.com/articles/upsee-cutoff%3famp
And you can predict your college also.
Link is here-
https://engineering.careers360.com/upsee-college-predictor
Hope it's helpful.
Thank you.