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Greetings!
Yes of course you are eligible for nits/iits /bits etc as NITs / IIITs/ GFTIs Admission: Candidates should have obtained a minimum of 75% marks in class 12 or equivalent exam or they must be in the top 20 percentile in their class 12 examination. For SC/ ST, the eligibility is to obtain a minimum of 65% marks in class 12 or equivalent. You have got 83 % in class 12 , so you are definitely eligibile. Actually class 10 marks doesn't play a role in deciding your eligibility for admission in nits etc .
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