hi,
see based on careers360 jee main college predictor tool, your overall probable rank would be 204600 - 230000 , however this is not your category rank, based at this score you have less chances for nits or cftis. however you may apply for private engineering colleges on jee main rank wise counselling. based on jee main score state wise counselling has done. do mention which of the state you belongs to, then we may predict some colleges based on your criteria.
To know about complete list of probable college name, based on your score, category please use Careers360 college predictor tool,
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
Dear aspirant,
With a percentile of 80 as you have mentioned I don't think this is enough to crack any college through josaa atleast any of the nits considering you as a general candidate.
For college prediction you can check out the link given below-
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