After 12th you can take admission in law course. Law is a career that can be continued for study, research, practice in India. Law as a career is prestigious, and famous among students in India. BA LLB after 12th, LLB after graduation or post graduation, LLM can be done after completing LLB.
After completing LLB, one has to take permission from National Bar Association to become practicing lawyer. One can be judge in the Indian judicial services, for this one must appear for the Judicial Services Examination of PCS(J) -Provincial Civil Services-Judicial Examination.
The scope of law as a career in India is huge as opportunities abound in corporate houses, law firms, law agencies, administrative services, Judge and Magistrate in court room etc.