He'll Sumayya,

You need to first concentrate on your 12 th standard board exams because passing of the exama is compulsory. So, you can spend minimum 3 to 4 hours per day till you complete your Board exam and then you can increase studying to 5 to 7 hours per day.

Preparation Tips for CUSAT CAT.

First make a note of the syllabus and get idea of it.

Prepare your own short notes.

Make flow chart of the concepts to remember them easily.

First prepare the topics you feel easy, to boost up your confidence.

After than go for tough subjects prepration.

After completion of the syllabus preparation then solve previous year's papers.

See the type of questions asked in previous years and prepare accordingly.

Then go for sample papers solving.

Then take sample or practice tests.

Finally revise all the syllabus.

To check previous year's CUSAT CAT syllabus go through below mentioned link.

https://engineering.careers360.com/articles/cusat-cat-syllabus

For more information about previous year's question papers of CUSAT CAT, use below given link.

https://engineering.careers360.com/articles/cusat-cat-sample-papers

May this information was useful to you.

Good Luck!!