You need to complete your 10+2 initiallyy and then you have to crack the CLAT entrance examination. You need a minimum of 50% marks in your 10+2 boards as per CLAT eligibility criteria. Then you can complete your graduation in Law by pursuing BA LLB course. You have to complete your graduation and then give the Judiciary Service exam andd then you might have chances of becoming a Judicial Magistrate or a Civil Judge.

Refer to the site below for more detailed information...

https://www.careers360.com/courses/law-course

Best wishes. Thank you.