You should appear for all the major exams - CAT, XAT, SNAP, NMAT, IIFT, TISSNET

Do remember that there is no quota system in NMAT and XAT. You should aim to score above 95 percentile in the exams.

All the best!

Hello Sholack, See the admission Good/ Best college or university is totally depends on your score (or should i say your percentile). More score means more percentile and more percentile means best college option.

I am sharing a LINK that has college list and their demanding CAT percentile for admission:

http://www.mbauniverse.com/cat/top-mba-colleges-in-india-accepting-cat-score

Be free to contact further... All the best

Dear Sholack

Common Admission Test CAT is the biggest MBA entrance test in India leading to admission at more than 5000 seats in all 20IIMs and hundereds of top MBA colleges .The exam is conducted by IIMs in the month of November /December and is a yearly exam .

The admission to IIMs is possible only through high scores in CAT MBA exam .

Eligibility 

Completed Bachelor's degree with the requiref percentage of marks Or Completed professional degree 

Or 

Should be in the final year of Bachelor's degree with required percentage

Scores upto 99-80 would lead to Top B schools . So start prepare early and besides CAT you can give XAT ,CMAT ,MAT ,ATMA .

Syllabus are almost same and all accepts Top colleges .

Also prepare for GD and PI .