my jee mains 2021 Feb 26 th 2nd shift I got 84.05 percentile I belongs to OBC Category predict my rank , score and marks in jee mains and shall I get seat in any govt nit institutes and I am from Andhra Pradesh

Hello aspirant,
According to your JEE Mains Paper-1 percentile your rank is expected to be in between 163168 - 183425. With this rank it is difficult to get seat in NITs. You can try in Private Engineering colleges which gives admissions through JEE Mains rank. In next attempt prepare well and work hard.
Tips to get good percentile:
1) You can concentrate on the topics which you missed in last attempt.
2) Give more importance to topics which has more weightage.
3) Avoid negative marking by answering only the questions you know answers properly.
4) Practice previous years question papers.
5) Give mock tests so that your score can increase.

You can use rank booster to boost your rank, using below link.
https://learn.careers360.com/jee-main-rank-booster/?icn=QnA&ici=qna_answer

To see previous year's cut-offs of colleges, use below links.
https://josaa.nic.in/Result/Result/currentorcr.aspx
https://engineering.careers360.com/articles/jee-main-cutoff

To predict colleges use below link.
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

All The Best!!