80 marks are approximately a percentile of 93 and that is an All India Rank of 74257. You haven't mentioned your Category or the Home State you belong to. Nevertheless, going by previous years data, the chances of you securing a seat in various Colleges are as follows:

SIES Graduate School of Technology

Vidyalankar Institute of Technology

Guru Nanak College of Engineering

Now this is based on 2019 data and cut offs change every year. Cut offs depend on various factors such as total no .of seats available, difficulty of the exam, previous year cut offs, no.of Candidates appearing for the exam and no.of Candidates applying for a course. Please use our College predictor for the complete list of Colleges that you may have a shot at: https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

You can check your rank and percentile using our predictors in our website.

Your rank would be around 75000 if you predict and getting nits or iits with this rank is very very difficult in my view

Your percentile will be 93 with this marks.

https://engineering.careers360.com/articles/jee-main-result

This link may be used.

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

this link may be used very well

Hope you got the answer you are looking for thank you.