I am a 12th biology student. How can I get a high paying job if I want to make my career in law?

You can easily pursue your career in law. It depends upon you how you will work on your skills and interests. After that, it will help you to get job easily after your course and you can also have great career ahead.

There's absolutely no problem. You can pursue law no matter if you have bio background, you can either prepare for CLAT or take admission in some other colleges, it depends on you. If you study hard, you with full concentration and interest you will definitely have a good career ahead.