CAT Exam Preparation: CAT is a national level examination that is conducted by IIM Ahmedabad and Tata consulting. This test scores the candidates on the basis of Quantitative Ability (QA), Data Interpretation and Logical Reasoning (DILR) and Verbal Ability and Reading Comprehension (VARC). The CAT exam is conducted by the Indian Institutes of Management (IIMs) every year based on a policy of rotation.