Hello,

The overall expected rank with 83.5 percentile is going to be in between 168795 - 189750. You can check the overall expected rank using the link below

It is difficult to predict the exact category rank as it depends on the total number of candidates appeared belonging to you category, highest score, tie breakers etc. You may expect your category rank to be around 15000 or 20000. Considering the previous year cut off it is very difficult to get seat in an NIT with such rank. You need to score minimum 94-95 percentile or above to get seat in an NIT. To check the cut off for NITs and IIITs you can use the link below

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

https://engineering.careers360.com/articles/nits-cutoff-for-top-btech-branches

You have chances to qualify in JEE Main based on previous year cut off percentile. The cut off percentile for SC category was 50.1760245. For JEE Main 2021 it is expected that the cut off percentile will be in between 50-55 percentile. If you are interested to get seat in IIT you may prepare for JEE Advanced else you need to appear for JEE main next sessions and improve the score to get seat in NIT or IIIT.

To know more colleges use our JEE Main college predictor tool

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