
The Bihar Public Service Commission (BPSC) has released the provisional answer keys for the Assistant Section Officer (ASO) Main Exam 2025. Candidates who appeared for the General Knowledge and General Hindi papers can now check their responses and evaluate their performance.
The answer keys were published on March 13, 2026, under Advertisement No. 37/2025 on the official BPSC website. Candidates also have an opportunity to raise objections against any answers they believe are incorrect between March 14 and March 20, 2026.

Candidates can access the BPSC ASO Main Exam Answer Keys and detailed instructions regarding the objection process on the official website: bpsc.bihar.gov.in.
Navigate to the Examination Section under Advertisement No. 37/2025.
Download the provisional answer key PDF for General Knowledge and General Hindi.
Carefully review each question before raising objections.
The objection window is open from 14th March 2026 to 20th March 2026. Candidates must submit their challenges within this period through the candidate login portal.
The objection window for the ASO Main Exam 2025 will be open from March 14 to March 20, 2026. Candidates can submit challenges via the candidate login portal on the official website.
Steps to Raise an Objection:
Log in using your BPSC credentials on the official portal.
Select the question(s) you want to challenge.
Upload supporting evidence or references (NCERT books, standard textbooks, or official sources).
Pay an objection fee of ₹250 per question online.
Submit and download the confirmation receipt for your records.
Important: Only objections submitted with valid documentary proof will be considered. Challenges without evidence may be rejected.
Fee: ₹250 per question, payable online during submission.
Evaluation: Subject experts appointed by BPSC will review all objections.
Final Answer Key: After reviewing valid objections, corrections—if any—will be incorporated before publishing the final answer key.
Note: No objections will be accepted after the deadline, March 20, 2026.
Download and check the provisional answer keys immediately.
Submit objections only if you have valid evidence supporting your claim.
Keep your login credentials ready for the objection portal.
Final scores and results will be based on the corrected final answer key.
