Hi dear

After completion of 12th pcm, you can take following courses -

1. Merchant Navy

2. Engineering

3. Architecture

4. Commercial Pilot

5. Defense

6. Aviation

7. Bachelor of Science

8. Industrial design

9. Ethical Hacking

10. Forensic Science

11. Lecturer

12. Computer Applications

These are the courses with high salary and  good scope in India. You can choose any one of them and proceed further.

All the best !!!