Yes, assuming you are from General Category, with a great academic record in school, having a 7.5+ GPA from an Old IIT, having a CAT Percentile Score of 99.7+ you have fair chances in securing a Call from atleast 3 of the Top 6 IIMs, IIM ABCLKI.

For more information about CAT IIM Call Prediction do follow the link below

https://bschool.careers360.com/pathfinder/cat

For more information about CAT do follow the link below

https://bschool.careers360.com/exams/cat