Hello aspirant,

Your overall academic score is very impressive.The criteria for CAT exam is candidate atleast score 60% in 10+2 and minimum 50% in any degree.

Your academic score is very good now you have yo focus on CAT exam.For getting admission in top IIMs like IIM Ahmedabad you have to score above 99 percentile. Then you will get call from top IIMs .After that also you have to perform good in WAT snd GD+ PI round.

Hope this helps you...

All the best!