Hello Aspirant,

In order to get into top B-School, The admission is based on the Entrance Exam like CAT, CMAT, MAT, XAT Etc. CAT is the National Level Exam for the admisison to IIMs & other top B-School, You have an average Academic record so you need to target a little higher percentile than the closing cut-off.
After CAT result, Every Institute including IIM prepares a merit list to call students for next round of interview and WSAT which is based on your aggregate score which comprises of many factors such as CAT marks,10th 12th and graduation percentage, work experience etc. with different weightages for different IIMs.

If you are targeting to get top IIMs like IIM A, B, C then try to score more than 99 percentile and for new IIMs try to score 95 percentile in CAT Entrance Exam. Other than IIMs, To get into top private colleges like FMS,JBIMS Mumbai etc. You should have more than 98-99 percentile other than this for other private colleges you can get with 90+ percentile in CAT Entrance Exam.

Good Luck!

Hello,
.
The Admissions in top business schools will be based on the percentage scored in entrance examination. Top B schools have no direct Admissions. You need to go for any of the entrance exam like CAT, MAT, XAT, CMAT etc., And the admissions will be based on merit list of the students scored on entrance exam. Most of the business schools, need just passing qualification percentage in your educational Career, but need a merit score in entrance examination. But few of the b school's need a good percentage even in educational career as well as entrance exam. So, choose a b school and go for its details