The Common Admission Test (CAT) is the primary entrance exam for India's management institutes, but its weightage in final admissions varies. Older Indian Institutes of Management (IIMs) often balance CAT scores with academic records and interviews, while newer IIMs tend to rely more heavily on the test performance. This breakdown details the percentage weightage of CAT scores and other factors like academic profiles, interviews, and diversity for the upcoming admission batch across various IIMs.