Hi,
It's really nice to know that you have zeroed upon the field of your choice for career very early, it will help you a lot in being better prepared for the CLAT. I would like to tell you first make yourself familiar with CLAT, Syllabus. Go through CLAT 2019 - Preparation Tips, Syllabus and Best Books it will help you.

Going through Interviews of CLAT Toppers will also be useful in making strategy. Once you have gained all information, on the basis of your grasp on various sections you can plan an effective time table. How to prepare for CLAT from Class 11 links will help you in preparing for the CLAT.

I hope it helps