Hi there!
Here is the link where you can find syllabus, exam pattern and others all at one place of class 12th BSEB board 2022
Hope this helps!
https://www.google.com/url?sa=t&source=web&rct=j&url=https://school.careers360.com/articles/bihar-board-12th-syllabus/amp&ved=2ahUKEwiKgc6mt8r0AhVzmuYKHdyOA4MQFnoECCYQAQ&usg=AOvVaw1bjgiOrC_009kKihf6PIyu
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile