Hello,

Himachal Pradesh State Open School conducts the board examination twice a year. The first exam is conducted in the month of March and the second one in September every year. The eligibility criteria for HPSOS 12th exam is that the candidate should have passed the matriculation examination of the board or HP State Open School (HPSOS) or an equivalent examination from a recognized board and also the candidate should not have previously qualified the equivalent or higher examination of any other board. In order to appear for the exam, you have to submit an application online on the official portal of the board. The registration and application form will be available on the official site of HPSOS.

hope it helps!