Dear student,

the basic time needed for preparation of CLAT   preparation time varies from student to student, however it is better to start your preparation as soon as possible because if you start it after boards you get very less time to prepare and cover all the topics carefully and completely, also do pay attention to boards but at the same time start with basic preparation.

below is the link which will help you to know how to prepare for clat in a month

https://law.careers360.com/articles/how-prepare-for-clat