The chances of getting a good government college looks quite bleak at your percentile and getting an IIIT or GFTI even more tough. However, you may have a shot at a few colleges as below:

HBTU Kanpur
NIT Mizoram
NIT Meghalaya
IIIT Bhagalpur

You can also use our college predictor to see your chances in all the colleges:
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Hope I have answered your question. All the best!