Hi aspirant...!

Hope you're doing great...!

So, with regard of you're query. For the percentile of 86. you'll be qualify for JEE advance examination. Because, in the pervious year's the cut off in SC region was 48 in 2021 and 54 percentile in 2020. you'll be secure a rank around 1.4lakh-1.6lakh in general category and In  SC category around 5k- 8K.

You can predict the NIT's and IIIT's  colleges in you're home state  from the link that I am providing you below:

https://engineering.careers360.com/jee-main-college-predictor?utm_source=clevertap&utm_medium=clevertap-sticky&utm_campaign=jee-main-qna-web-wap

Hope this will helps you...!

GOOD LUCK...!