Hello,
There are various courses offered in forensic science after 12th, some of them I'm naming below:

1. B.sc. (forensic science)

2. B.sc. (hons.) (Forensic science)

3. Certificate course in forensic science

4. Certificate course in the basics of diet therapy

5. B.sc.  in forensic biology

6. B.sc. in forensic chemistry

7. B.sc. in forensic botany

8. B.sc  in forensic toxicology

Hope this helps, all the best.