Hi

With 84.5 percentile

• Your rank will be  around  158565 - 178250 as 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, your chances of getting a seat in NIT, IIITs is low.

But  yes, as per past year trend,

Yes, you  have chances in government engineering college, some of which are listed below along with the link for their previous year cutoff link :-

-------) IK Gujral Punjab Technical University, Jalandhar:- https://www.careers360.com/university/ik-gujral-punjab-technical-university-jalandhar/cut-off

------)Tezpur University, Tezpur:-

https://www.careers360.com/university/tezpur-university-tezpur/cut-off

-------) Guru Ghasidas Vishwavidyalaya, Bilaspur :- https://www.careers360.com/university/guru-ghasidas-vishwavidyalaya-bilaspur/cut-off

To get the 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

To help you further,

To give you an idea of qualifying cut off, JEE mains 2020  qualifying  CUT OFF percentile to be eligible for jee advanced is given below for different category

>>>> General :-     90.3765335

>>>> GEN-EWS :-  70.2435518

>>>> OBC-NCL :-  72.8887969

>>>> SC     :-           50.1760245

>>>> ST :-                39.0696101

>>>> PwD :-            0.0618524

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

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

Thank you