Hi,
As an sc candidate, you need to score 48 percentile or above in JEE Mains to sit in Advanced (as per 2022). Then score an aggregate of 31 marks approx, i.e. 8.75% (as per 2021) of the total marks to qualify JEE Advanced and get into a good old IIT.
Good luck.
Know more about the category wise cutoff here - https://engineering.careers360.com/articles/jee-main-cutoff
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