Hi Aspirant,
Hope you are doing great as per the question asked by you yes you can certainly admission in MICA Ahmedabad or NMIMS Mumbai with 79% in 10th ,81% in 12th and 86% in b.com as you need to score high in C.A.T exam and N.M.A.T exam as competition is very tough in both the exams and both are one of the best colleges where getting admissions require high percentile.
Hope you found this answer useful.Stay motivated stay positive.
All the best!
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