Hii!
The eligibility criteria for applying into forensic science ourse at Bahauddin Science College, Junagadh states that the Candidate must have passed class 12th with PCB/M stream from CBSE or equivalent board of education.
The admission are provided via merit based process. So, you need to score good in class 12th to make it into the merit list and get admission.
For more information, you may visit the college's official website-

https://www.bahauddinscience.edu.in/

Hope this helps.
Good luck!