Bihar Public Service Commission (BPSC) has announced the Teacher Recruitment Examination (TRE) 3.0 for various posts including Primary, Middle, Secondary, TGT, PGT, and Special School Teachers under the Education Department and SC & ST Welfare Department. The recruitment is for 86,391 posts across multiple classes (1-12). Candidates can now check the district allocation list and download the question booklet and answer key. For eligibility, post details, selection process, and more, refer to the official notification.