To crack the MBA entrance exam (Common Admission Test) you should study from the best CAT preparation books and the finest coaching centers. It is ranked to be one of the trickiest tests in the country. Following are some tips which will help you in cracking the examination:

Do an analysis
Know Your CAT Syllabus & CAT Pattern
Practice makes you Perfect
Discipline is very important
Follow standard books, stress on understanding things than memorizing them.
Solve objective type questions as much as possible.
Go through previous year papers to check your knowledge and note the distribution of different topics.
Revision is one of the most important steps of the preparation process
Plan your study well
Manage the syllabus and topics
Test yourself frequently
Analyze where you stand-Mock Tests