Hi aspirant....!

Hope you're doing great...!

So, with regard of you're query. For the percentile of 83.487. you'll be definitely  eligible for JEE advance in you're category of sc. Because in the past year's the cut off for JEE mains in you're specified category was 46 percentile in the year of 2021 and  54 percentile in 2020.

you can predict the college from you're percentile by link below:

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

Ho[pe this will helps you...!

GOOD LUCK...!