Hi Navadeep.

With a percentile ( I assume it is percentile and not percentage as mentioned in question) of 81 , your rank stands at 296401 in open category. With the category of SC and 81 percentile, your chances to get NITs are low . But, since this year's cutoffs have not been released yet , these are just predictions . Your rank was calculated using, https://engineering.careers360.com/jee-main-rank-predictor?utm_source=engineering&utm_medium=recommended&utm_campaign=jee-main-2022 . Other colleges which you might get are:

1. Madhav Institute of Technology and Science
2. Thapar Institute of Engineering and Technology
3. University of Engineering and Technology

You are possibly eligible for JEE Advanced.

I used this College predictor, https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

For cutoffs of various colleges, refer this:

https://engineering.careers360.com/download/ebooks/jee-main-cut-off-for-iits-nits

For expert guidance from Careers360, refer here, https://www.careers360.com/btech-companion/order-summary?icn=companion_order_summary&ici=companion_btech_dashboard

Hope this helps. Thanks.

[Note: These are predictions from previous years' data. This year's cutoffs have not been released yet.]

[Cutoffs and ranks depend on various factors like:

1. Number of Candidates.
2. Performance in exam.
3. Difficulty of exam.]