Hello Nikhil,
IIIT is among the top engineering colleges of India and thus getting admission there is quite a difficult job.
With your above mentioned percentile, you'll not be able to get admission into core branch of any IIIT. But I'll suggest you to wait till the final rounds of counselling as it may fetch you a seat in lower IIIT and that too with a lower non-core branch.
Hope this helps.
Good luck!!
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