What should be the last month preparation strategy for CAT?

IM selection criteria includes Written Ability Test (WAT) and Personal Interview (PI). Academic record and work experience are also taken into consideration for final selection.

To get 99 percentile and above, candidates must attempt 40-45 out of 68 questions in CAT, with maximum accuracy.  

Yes, six months are enough to prepare for CAT exam, if you can dedicate 8-10 hours to it daily. In the first three months complete the syllabus. In the last three months practice mock tests and do revision.

Students may get admission in IIM Kozhikode with 95 percentile in CAT. But this is not enough to get a seat. The admission chances also depend on student's overall profile. This includes academic scores + performance in the selection rounds. Students can check the cutoff trends to know better.

There is no age limit to appear for CAT. Any graduate or working professional can appear in the exam.