The Bihar Public Service Commission (BPSC) has officially released the Final Answer Key for the Assistant Section Officer (ASO) Mains Examination 2026 on its website. The mains examination took place on 27 February 2026 after the application window opened on 12 January 2026 and closed on 31 January 2026 under advertisement number 37/2025. A total of 41 posts are available for recruitment. Candidates need a graduate degree to be eligible and must meet age criteria ranging from 21 years minimum to a maximum of 42 years depending on category and gender. The selection process consists of a preliminary exam followed by the mains exam. Applicants can access the final answer key by logging in with their enrollment number, registration number, or date of birth. The answer key is now available for General Hindi and General Knowledge papers. All important dates, fees, vacancies, and links are detailed below for easy reference.
Important Dates
| Event |
Date |
| Online Apply Start Date |
29 May 2025 |
| Online Apply Last Date |
23 June 2025 |
| Last Date For Fee Payment |
23 June 2025 |
| Pre Exam Date |
10 September 2025 |
| Admit Card |
04 September 2025 |
| Pre Answer Key |
18 September 2025 |
| Result Date |
23 December 2025 |
| Mains Form Start Date |
12 January 2026 |
| Mains Form Last Date |
31 January 2026 |
| Mains Exam Date |
27 February 2026 |
| Mains Admit Card |
20 February 2026 |
| Final Answer Key |
06 April 2026 Available Now |
Application Fee
| Category |
Fee |
| General/ OBC/ EWS |
₹ 600/- |
| SC/ ST/ Female Candidates Of Bihar |
₹ 150/- |
| PH Candidates |
₹ 200/- |
Age Limit
| Criteria |
Age |
| Minimum Age |
21 Yrs |
| Maximum Age (Male) |
37 Yrs |
| Maximum Age (Female UR, BC/ EBC-Male & Female) |
40 Yrs |
| Maximum Age (SC/ ST-Male & Female) |
42 Yrs |
Vacancy Details
| Post Name |
No. Of Post |
Eligibility |
| Assistant Section Officer ASO |
41 Post |
Graduate degree from recognized university |
Eligibility Criteria
| Criteria |
Details |
| Educational Qualification |
Graduate degree completed on or before last date of application |
Selection Process
| Stage |
| Pre Exam |
| Mains Exam |
How to Download/Check
| Step |
Action |
| 1 |
Go to the official website of the Bihar Public Service Commission |
| 2 |
On the homepage, click on “Latest Notifications” / “Answer Key” |
| 3 |
Find and click on “Assistant Section Officer (ASO) Final Answer Key 2026” |
| 4 |
Click on the link |
| 5 |
The answer key will open usually in PDF format |
| 6 |
Select your question paper set (if applicable) |
| 7 |
Check the correct answers |
| 8 |
Download the PDF and save it |
| 9 |
Take a printout for future reference |
Important Links
FAQ Section
Q: When will the BPSC ASO Final Answer Key 2026 be announced?
A: The final answer key is announced through an official notification after completion of the preliminary exam process.
Q: Where will the BPSC ASO Final Answer Key 2026 be published?
A: The final answer key is released on the official BPSC notification section in PDF format.
Q: Will the exam date be announced post-wise or category-wise?
A: No, the exam date is announced commonly for all eligible candidates, not category-wise.
Q: Is the BPSC ASO Mains exam date same as the admit card date?
A: No. The exam date is announced before the admit card. Admit cards are released separately.
Q: What is the official website for Bihar BPSC?
A: The official website for Bihar BPSC is https://bpsc.bihar.gov.in/
