Bihar Public Service Commission (BPSC), has released the Answer Key on the official website for the recruitment of Assistant Environmental Scientist (AES) posts. The exam was conducted on 11 June 2026. The BPSC application process started on 27 August 2025, and candidates were able to submit their applications until 19 September 2025. Candidates can check their Answer Key using their Enrollment Number, Registration Number, or Date of Birth by logging into the portal. The direct link is provided below.

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BPSC AES Answer Key 2026

Bihar BPSC AES Examination 2025 : Short Details

Important Dates

• 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
• Candidates are advised to confirm from the Bihar BPSC official website.

Application Fee

• For All Candidates : ₹ 100/-

• Payment Mode (Online): You can make the payment using the following methods:

  • Debit Card
  • Credit Card
  • Internet Banking
  • IMPS
  • Cash Card / Mobile Wallet

Bihar BPSC AES Notification 2025 : Age Limits As On 01 August 2025

• Minimum Age : 21 Years
• Maximum Age : 37 Years (Male)
• Maximum Age : 40 Years (Female UR, BC/ EBC-Male & Female)
• Maximum Age : 42 Years (SC/ ST-Male & Female)
• Bihar BPSC provides age relaxation for the Bihar BPSC AES position as per their regulations.

Total Post

17 Post

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Bihar BPSC AES Recruitment 2025 : Vacancy Details

Post Name	No. Of Post
Bihar BPSC AES	17 Post

Post Name	Eligibility Criteria
Bihar BPSC AES	- Candidates must have Bachelor’s Degree in Chemistry, Life Science, Environmental Science, or Physics from a recognized university/institution. For full details, refer to the official notification.

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How To Check & Download Bihar BPSC AES Answer Key 2026
- Visit the official website of the

Bihar Public Service Commission

• On the homepage, go to:
  • “Examination / Answer Key” or
  • “Latest Notices / Updates”
• Click on the Answer key or relevant notice.
• Download the PDF file.
• Open it and search for:
  • “Assistant Engineer (AES) Answer key 2026”
• Download your answer key & Save the PDF. |

Bihar BPSC AES Recruitment 2025 : Mode Of Selection
- Written Exam

• Interview |

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SOME USEFUL IMPORTANT LINKS

##### Download Answer Key	- General Studies

• Physics Chemistry
• Life Science
• Environmental Science | | ##### 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 | ##### ClickHere | | ##### Bihar BPSC Official Website | ##### Click Here |

Bihar BPSC AES Answer Key 2026 : Important Question
- **Question:**When will the Bihar BPSC AES Answer Key 2026 be released?

• Answer: The answer key has released online after the examination. | | - Question: How can I check the Bihar BPSC AES Answer Key 2026?
• Answer: Candidates can check the Answer Key by visiting the official website and logging in with their credentials. | | - **Question:**What details are required to check the Answer Key?
• Answer: You may need your Registration Number/Application Number and Date of Birth/Password. | | - Question: Can the exam date be changed?
• Answer: Yes, Bihar Public Service Commission can revise the exam date if required. | | - Question: What is the official website for Bihar BPSC?
• Answer: The official website for Bihar BPSCis https://bpsc.bihar.gov.in/ |