Conducting Institute: IIMs
CAT Eligibility: 50% in Graduation for General and 45% for Reserved. Final year students can also apply.
CAT Exam Pattern: CAT is an online exam. It has 3 sections with 3 hours of time resulting in 60 minutes for each section.
This is the Most common MBA entrance exam in INDIA preferred by top b-schools and IIMs.

All the best