CMAT is devided into the section Quantitative Techniques & Data Interpretation, Logical Reasoning, Language Comprehension, General Awareness.

CMAT topics of Quantitative Techniques & Data Interpretation
Numbers, Percentage, Profit & Loss, Mixtures, Averages, Ratios, Interest, Equations
Time & Work, Time, Speed & Distance
Geometry
Standard DI tools

CMAT topics in General Awareness
Current Events & Happenings, including international affairs
History, Geography, Polity, Science
Sports, Art & Culture
Books & Authors, Awards

CMAT Logical Reasoning topics
Assertion-Reasoning, Inferences, Critical reasoning
Assumption-Premise-Conclusion, True and False Statements
Linear arrangements, Sequences and series
Strong - Weak arguments, Statements and assumptions

CMAT topics for Language Comprehension
Rearranging sentences
Vocabulary, with questions on antonyms and synonyms
Grammar & Sentence Correction
Reading Comprehension

Make your time Schedule & devide it topic wiseit will help you to cover all the syllabus.

Do practise as much you can to improve your score. Overall, CMAT is designed to assess you on certain core management skills like time management, prioritization, stress management, knowledge and balancing accuracy & speed.

Good Luck!