There are 2 types of law courses in law which is 5 years course and 3 years course you can pursue 5 years course after completing your high school that is 12th and you can pursue 3 years law after completing graduation in any stream there is a age limit for pursuing 5 years course but there is no any age limit for pursuing 3 years course, no matter if you are 50 years of age you are free to pursue 3 years law course.