There are various criteria for shortlisting and selection after clearing CAT entrance exam with good score such as past academic records, Extra curricular activity, work experience etc. There are approximately 100 B-schools across the country accept CAT score except IIMs. It depends on your score to get admission in the best possible institutions for MBA. Here are some of the top B school name you can prefer Department of Management Studies, Indian Institute of Technology, Delhi Management Development Institute, Gurgaon SP Jain Institute of Management and Research, Mumbai TA Pai Management Institute, Manipal Faculty of Management Studies, University of Delhi, Delhi

You can also check further institute with given below link. 

Top B School

You can check the exam pattern & Syllabus with given below link.

CAT 2017