Hi

With 80 percentile

• your rank will be  around 204600 - 230000 per our rank predictor at

  JEE Main Rank Predictor 2021 - Predict your JEE Main ...

  JEE Main Rank Predictor - Know your expected IIT JEE Main 2021 Rank by ...

With this rank, no chance in good government college like NITs, IIITs . So, 80 percentile is not a good percentile score in general.

With 80 percentile being from general your chances of qualifying JEE mains 2021 is also low.

For reference,

JEE mains 2021 expected qualifying  CUT OFF percentile is given below for different categories on the basis of past year trends :

.                  .  JEE      MAIN CUT   OFF    PERCENTILE

Category jeemain2020 jeemain2021 expected off

General :-     90.3765335                 90-95

GEN-EWS :-  70.2435518                  70 -75

OBC-NCL :-  72.8887969                   70 -75

SC     :-           50.1760245                  50 -55

ST :-                39.0696101                  40 - 45

PwD :-            0.0618524                      1- 2

You can check the same at our page the link is provided below

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

So, I would suggest you focus on your preparation for remaining sessions of jee main so that you can improve your score   ,  go through chapters , practise questions and then revise them, go through mock test paper sample papers and previous year question papers as it will let you know your preparation level and and weak areas so that you can work on them and perform well in your examination.To help you in your application you can use our jee main knockout for which link is provided below

https://learn.careers360.com/knockout-jee-main-april/

To have a personalised report on your chances of getting a college you can go through our college predictor, it will give you complete list of colleges which you can get on the basis of the category you belong to,  your home state, your gender etc, the link for  jee main college predictor is provided below

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

If you have any other doubt then you can always reach us to clear them :) we are always available to help you out and guide you

Thankyou