All the best and good luck for your spirit.
But the cuttoff in obc category is in between 75 to 87 percentile. As you scored 70 percentile in your first attempt your score may increase in the second attempt for sure. So try your level best in the second attempt and you can get qualified.
Good luck, prepare well.

hi,

see as per the previous years cutoff the required percentile to qualify for jee advance exam was     76-74 percentile approximately for obc ncl category . however the cutoff score changes every year and depends on certain factors like number of applicants, questions difficulty level, seat matrix, students category etc, so it is quite difficult to predict the category wise cutoff.

however follow careers360 website to know about upcoming notifications.

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