With this percentage, you are qualified as it requires either 75% or you should be there in top 20 percentile but the admission in IITs will be done through Jee advanced score/rank so you need to crack it.
For reference, you can go through the below link -
https://engineering.careers360.com/articles/jee-advanced-eligibility-criteria
Good Luck!!!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile