Visit the Bihar Public Service Commission official site, bpsc.bih.nic.in. Click on the link, ‘Important Notice: Provisional Answer Key, General Studies & Law – Booklet Series A, B, C, D’. Candidates can also download the answer key directly from the links mentioned above. Click on the link, ‘Invitation of Objection to Answers of Assistant Prosecution Officer (Preliminary) Competitive Examination held on February 7, 2021. (Advt. No. 01/2020).’ in case there is any objection. Download the BPSC APO Answer Key 2021 and check with respect to the question number. Keep a print copy of the answer key for any future reference. Candidates must raise their objection in the