The admission process for IIMs is very competitive and involves several factors such as

Academic performance ,CAT Scores and other criteria. CAT score plays a significant role in the selection process. Your 10th, 12th and graduation percentages are decent, but the final call for admission to IIMs will depend on your CAT performance.

It consists of sections like verbal Ability and reading comprehension, data interpretation and logical reasoning and Quantitative ability.

To improve your chances, focus on performing well in the CAT exam and prepare thoroughly for the subsequent rounds of the selection process.