Hello Dear,
As an SC candidate to get into iit you should score more than 60-70 in jee mains.
Where as in jee advance you have to score more than 42 to get qualified in the exam, and to have a better branch you should score more than 47.
If you have any other queries you can go through this link: https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
Good Luck!!!
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