BBOSE class 12th provisional answer key objection window opens at biharboardonline.com ...

The Bihar Open School Examination Board has released the Class 12 objective answer keys for the June and December 2025 ...

BBOSE 12th exam 2025 answer key objection window opens for theory papers till 9 January

The Bihar Open Schooling and Examination Board has opened the objection window for the answer keys of objective questions ...