According to IIM Indore FAQs on EPGP

Q. What is the minimum GMAT score / CAT percentile required to apply for EPGP?

A. The admissions committee decides the cut off every year. Last year, the cut off scores were GMAT 570 and CAT overall 85 percentile respectively . Kindly note that this is only the cut off, however, the median scores significantly higher.

Please read the FAQs on EPGP for more details on eligibility too.