Top MBA colleges in India are:-

1. IIM in Ahmedabad, Bangalore, Calcutta, Lucknow, Indore, Kozhikode, Raipur, Tiruchirappalli, 

2. Xavier school of management, Jamshedpur

3. Faculty of management studies, Delhi University

4. Management Development Institute, Gurgaon

5. Rajiv Gandhi Indian Institute of Management Shillong

Based on your academic score you have less chances to get into top IIM like A but there are many institutes which do not consider past academics.
Also along with CAT, also focus on other management exams like XAT, IIFT etc which do not consider your past academics.

I am sharing a link through which you can check what all colleges you can expect based on your academics through CAT entrance.

Link: CAT pathfinder

Good luck.

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