The Bihar Public Service Commission (BPSC) has released the official Answer Key for the Assistant Environmental Scientist (AES) recruitment exam conducted on 11 June 2026. The online application process started on 27 August 2025 and concluded on 19 September 2025 with a total of 17 posts available for eligible candidates. Applicants can access their answer key by logging into the official portal using their enrollment number, registration number, or date of birth. Eligibility requires a Bachelor’s Degree in Chemistry, Life Science, Environmental Science, or Physics from a recognized institution. The selection process consists of a written examination followed by an interview. Age limits as on 01 August 2025 range from a minimum of 21 years to a maximum of 42 years depending on category and gender with applicable relaxations. The application fee is Rs. 100 for all candidates payable through online modes. Candidates are advised to verify all details directly from the BPSC official website for accuracy and further updates.
Important Dates
| Event | Date |
|---|---|
| Online Apply Start Date | 27 August 2025 |
| Online Apply Last Date | 19 September 2025 |
| Last Date For Fee Payment | 19 September 2025 |
| Exam Date | 11 June 2026 |
| Admit Card | 04 June 2026 |
| Answer Key | 07 July 2026 Available Now |
| Result Date | Will Be Updated Here Soon |
Application Fee
| Category | Fee |
|---|---|
| For All Candidates | ₹ 100/- |
Payment Mode (Online): Debit Card, Credit Card, Internet Banking, IMPS, Cash Card / Mobile Wallet
Age Limit
| Criteria | Age |
|---|---|
| Minimum Age | 21 Years |
| Maximum Age (Male) | 37 Years |
| Maximum Age (Female UR, BC/ EBC-Male & Female) | 40 Years |
| Maximum Age (SC/ ST-Male & Female) | 42 Years |
Age relaxation as per Bihar BPSC regulations.
Vacancy Details
| Post Name | No. Of Post |
|---|---|
| Bihar BPSC AES | 17 Post |
Eligibility Criteria
| Post Name | Eligibility |
|---|---|
| Bihar BPSC AES | Bachelor’s Degree in Chemistry, Life Science, Environmental Science, or Physics from a recognized university/institution. |
Selection Process
| Stage |
|---|
| Written Exam |
| Interview |
How To Check & Download Bihar BPSC AES Answer Key 2026
| Step | Description |
|---|---|
| 1 | Visit the official website of the Bihar Public Service Commission |
| 2 | On the homepage, go to “Examination / Answer Key” or “Latest Notices / Updates” |
| 3 | Click on the Answer key or relevant notice |
| 4 | Download the PDF file |
| 5 | Open it and search for “Assistant Engineer (AES) Answer key 2026” |
| 6 | Download your answer key & Save the PDF |
Important Links
| Description | Link |
|---|---|
| Download Answer Key General Studies | Click Here |
| Download Answer Key Physics | Click Here |
| Download Answer Key Chemistry | Click Here |
| Download Answer Key Life Science | Click Here |
| Download Answer Key Environmental Science | Click Here |
| Check Answer Key Notice | Click Here |
| Download Admit Card | Click Here |
| Check Admit Card Notice | Click Here |
| Check Exam Date Notice | Click Here |
| Apply Online Link | Click Here |
| Download Official Notification | Click Here |
| Bihar BPSC Official Website | Click Here |
FAQ Section
Q: When will the Bihar BPSC AES Answer Key 2026 be released?
A: The answer key has released online after the examination.
Q: How can I check the Bihar BPSC AES Answer Key 2026?
A: Candidates can check the Answer Key by visiting the official website and logging in with their credentials.
Q: What details are required to check the Answer Key?
A: You may need your Registration Number/Application Number and Date of Birth/Password.
Q: Can the exam date be changed?
A: Yes, Bihar Public Service Commission can revise the exam date if required.
Q: What is the official website for Bihar BPSC?
A: The official website for Bihar BPSC is https://bpsc.bihar.gov.in/
