Hello Aspirant

You should  be focused for getting 80 percentile in CAT examination with the preparation of 1 year. The things we have to do  follow  as mentioned below : Clarity -what goal is to achieve it should be clear to you. What do you want to do it. What benefit you will get in future from this course.

Studying smart and disciplined way-You have to divide your time for each sections and to follow it strictly.

Accuracy with time- You have to solve as much as MCQ available in online test. To solve previous years means 5 years question papers and to follow how the question pattern is changing every year before and after. Things which will help you to know your capacity and how you are doing with  it accuracy with your time

Revision: revision is the key of success.

Dedication and confidence is much more required because the coming on your time is very vital and here to labour hard to achieve your goal.

Stay focused on your goal in all situations.

Go through this link below to know more

https://bschool.careers360.com/articles/how-prepare-for-cat