hello aspirant,

The dates for 12th board exam 2022 are not released yet and they will be released in due time.once released you can check on the website.but according to expected dates the bihar boards of 12th will be held from february 14th to 25th february of 2022.

for more information refer to: https://school.careers360.com/articles/bihar-board-12th-exam-date

hope this helps,

thankyou.