CAT is an entrance for MBA admission. So after your graduation you can give CAT exam. For CAT exam you need to have your graduation with at least 50 % marks.

The Common Admission Test (CAT) is a computer based test held in India. The test scores a candidate on the bases of Quantitative Ability (QA), Verbal Ability (VA) and Reading Comprehension (RC), Data Interpretation (DI) and Logical Reasoning (LR)

Important dates:
Release of Advertisement July 2016 (Sunday)
Online Registration for CAT 06th August to 25th September 2016
Admit Card Download Window 15th October 2016, 1:00 PM till Exam Date
CAT Exam Test Date 29th November 2016 (Sunday)
Results Declaration Second week of January 2017

Eligibility:
Candidates must hold a Bachelor’s Degree, with at least 50% marks or equivalent CGPA (45% in case of the candidates belonging to Scheduled Caste (SC), Scheduled Tribe (ST) and Persons with Disability (PWD)/Differently Able (DA) category)

Selection process:
The process may include Written Ability Test (WAT), Group Discussions (GD) and Personal Interviews (PI).
Performance in CAT examination is an important component in the admission process.

Number of Registration in CAT over the years:

Year Approximate number of Registration
2015 218,664
2014 196,988
2013 194,516
2012 214,000
2011 205,000
2010 204,000
2009 241,000
2008 290,000
2007 250,000