The Bihar Public Service Commission (BPSC) has published the Final Answer Key for the Assistant Engineer (AE) Recruitment 2025 The examination took place on 17, 18, and 19 July 2025 This recruitment aims to fill 1040 AE positions in Civil, Mechanical, and Electrical engineering The application period was from 30th April to 28th May 2025 Find detailed information about the Bihar BPSC Assistant Engineer AE Final Answer Key 2025 below
BPSC AE Exam 2025: Key Information
This section provides essential dates for the BPSC AE Exam 2025, including application deadlines, exam dates, and answer key releases. Knowing these key dates is crucial for candidates to stay on track with the application process and exam timeline.
| Event | Date |
| Online Application Start Date | 30 April 2025 |
| Online Application Last Date | 28 May 2025 |
| Fee Payment Last Date | 28 May 2025 |
| Exam Date | 17, 18, & 19 July 2025 |
| Admit Card Release | 14 July 2025 |
| Answer Key | 24 July 2025 |
| Answer Key Objection | 01-08 August 2025 |
| Result Date | Will Be Updated Here Soon |
Candidates should always verify details on the official Bihar BPSC website
Application Fee Details
Here, candidates can find the detailed application fee structure for the BPSC Assistant Engineer Exam 2025, categorized by different applicant groups. Knowing the precise fee for your category ensures a smooth application process, avoiding potential rejections due to incorrect payment amounts.
| Category | Fee |
| General/ OBC/ EWS | ₹ 750/- |
| SC/ ST/ PH | ₹ 200/- |
| All Category Female Of Bihar | ₹ 200/- |
| Objection Charge | Rs.250/- Per Question |
- Payment can be made online through:
- Debit Card
- Credit Card
- Internet Banking
- IMPS
- Cash Card / Mobile Wallet
Age Limit (as of 01 August 2025)
Here, you'll find the age criteria required for the Bihar BPSC Assistant Engineer exam, as of August 1, 2025. Understanding these age limits is crucial to determine your eligibility and avoid application rejections based on age criteria.
| Category | 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 |
Age relaxation is applicable as per Bihar BPSC regulations
Vacancy Details
This section provides a breakdown of available Assistant Engineer positions, categorized by engineering discipline (Civil, Mechanical, and Electrical). Knowing the specific number of vacancies per discipline helps candidates assess their chances and understand the competitive landscape for each post.
| Post Name | No. Of Post |
| AE Civil | 984 Post |
| AE Mechanical | 36 Post |
| AE Electrical | 20 Post |
- AE Civil: BE or B.Tech degree in Civil Engineering required
- AE Mechanical: BE or B.Tech degree in Mechanical Engineering required
- AE Electrical: BE or B.Tech degree in Electrical Engineering required
You May Also Check : NIACL Assistants Online Form 2024
How to Check and Download the Answer Key
Learn the step-by-step process to easily access and download the BPSC AE Answer Key 2025 from the official website. This ensures you can verify your answers, estimate your score, and assess your chances of qualifying for the next stage.
- Visit the official BPSC website at bpsc.bihar.gov.in
- Navigate to the “Answer Key” or “Recruitment” section
- Find and click the link for “BPSC AE Answer Key 2025”
- Download the PDFs for relevant papers (General English, Hindi, Studies, Technical Papers I & II for your engineering stream)
- Use your registration details to access the files if prompted
- Save the PDFs for future use and score calculation
Selection Process
Here's what you need to know about how candidates are chosen, covering the written exam and merit list stages. Understanding this process is crucial for all applicants, as it outlines the path to becoming an Assistant Engineer.
- Written Exam
- Merit List
Important Links
Access the direct links to download the official BPSC AE Final Answer Keys for the 2025 exam. These keys are crucial for candidates to verify their answers and estimate their scores accurately.
| Action | Link |
| Download Final Answer Key | <ul><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Final-Answer-Key-29-30-31-2025-General-English-Paper-I_BPSC-20250923-4band8.pdf" target="_blank" rel="noopener">General English Paper-I</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Final-Answer-Key-29-30-31-2025-General-Hindi-Paper-II_BPSC-20250923-qm0ukj.pdf" target="_blank" rel="noopener">General Hindi Paper-II</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Final-Answer-Key-29-30-31-2025-General-Studies-Paper-III_BPSC-20250923-9doy65.pdf" target="_blank" rel="noopener">General Studies Paper-III</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Final-Answer-Key-29-30-31-2025-General-Engineering-Science-Paper-IV_BPSC-20250923-89biq1.pdf" target="_blank" rel="noopener">General Engineering Science Paper-IV</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Final-Answer-Key-29-2025-Civil-Engineering-Paper-V_BPSC-20250923-vsr60e.pdf" target="_blank" rel="noopener">Civil Engineering Paper-V</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Final-Answer-Key-29-2025-Civil-Engineering-Paper-VI_BPSC-20250923-rjvkft.pdf" target="_blank" rel="noopener">Civil Engineering Paper-VI</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Final-Answer-Key-30-2025-Mechanical-Engineering-Paper-V_BPSC-20250923-x3eh78.pdf" target="_blank" rel="noopener">Mechanical Engineering Paper-V</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Final-Answer-Key-30-2025-Mechanical-Engineering-Paper-VI_BPSC-20250923-gmpdxi.pdf" target="_blank" rel="noopener">Mechanical Engineering Paper-VI</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Final-Answer-Key-31-2025-Electrical-Engineering-Paper-V_BPSC-20250923-bh9vne.pdf" target="_blank" rel="noopener">Electrical Engineering Paper-V</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Final-Answer-Key-31-2025-Electrical-Engineering-Paper-VI_BPSC-20250923-tuiwpb.pdf" target="_blank" rel="noopener">Electrical Engineering Paper-VI</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/23-9-25-1-Important-Notice-29-30-31-2025-Asst.-Engineer-Civil-Mech-Elect-OMR-Sheets-upload_BPSC-20250923-ty9klw.pdf" target="_blank" rel="noopener">Notice 1</a> || <a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/23-9-25-2-Important-Notice-29-30-31-2025-Asst.-Engineer-Civil-Mech-Elect-Final-Answer-Keys_BPSC-20250923-oqm5te.pdf" target="_blank" rel="noopener">Notice-2</a></li></ul> |
| Download Answer key | <ul><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Provisional-Answer-key-General-English-Paper-I_BPSC-20250724-tc5n8f.pdf" target="_blank" rel="noopener">General English Paper-I</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Provisional-Answer-key-General-Hindi-Paper-II_BPSC-20250724-mkjbuf.pdf" target="_blank" rel="noopener">General Hindi Paper-II</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Provisional-Answer-key-General-studies-Paper-III_BPSC-20250724-7d4j2u.pdf" target="_blank" rel="noopener">General Studies Paper-III</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Provisional-Answer-key-General-Engineering-Science-Paper-IV_BPSC-20250724-tfcqux.pdf" target="_blank" rel="noopener">General Engineering Science Paper-IV</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Provisional-Answer-key-Civil-Engineering-Paper-V_BPSC-20250724-sw139c.pdf" target="_blank" rel="noopener">Civil Engineering Paper-V</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Provisional-answer-key-Civil-Engineering-paper-VI_BPSC-20250724-yl8526.pdf" target="_blank" rel="noopener">Civil Engineering Paper-VI</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Provisional-Answer-key-Mechanical-Engineering-Paper-V_BPSC-20250724-8dc9az.pdf" target="_blank" rel="noopener">Mechanical Engineering Paper-V</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Provisional-Answer-key-Mechanical-Engineering-Paper-VI_BPSC-20250724-76dljk.pdf" target="_blank" rel="noopener">Mechanical Engineering Paper-VI</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Provisional-Answer-key-Electrical-Engineering-Paper-V_BPSC-20250724-2eaq8p.pdf" target="_blank" rel="noopener">Electrical Engineering Paper-V</a></li><li><a class="styled-link important" href="https://bpsc.bihar.gov.in/wp-content/uploads/BPSC_content/Notices/Provisional-Answer-Key-Electrical-Engineering-Paper-VI_BPSC-20250724-gjo3na.pdf" target="_blank" rel="noopener">Electrical Engineering Paper-VI</a></li></ul> |
| General English Paper-I | General English Paper-I |
| General Hindi Paper-II | General Hindi Paper-II |
| General Studies Paper-III | General Studies Paper-III |
| General Engineering Science Paper-IV | General Engineering Science Paper-IV |
| Civil Engineering Paper-V | Civil Engineering Paper-V |
| Civil Engineering Paper-VI | Civil Engineering Paper-VI |
| Mechanical Engineering Paper-V | Mechanical Engineering Paper-V |
| Mechanical Engineering Paper-VI | Mechanical Engineering Paper-VI |
| Electrical Engineering Paper-V | Electrical Engineering Paper-V |
| Electrical Engineering Paper-VI | Electrical Engineering Paper-VI |
| Notice 1 | Notice 1 |
| Notice-2 | Notice-2 |
| Answer Key Objection | Answer Key Objection |
| Answer Key Objection Date Extend Notice | Answer Key Objection Date Extend Notice |
| Answer Key Objection Notice | Answer Key Objection Notice |
| General English Paper-I | General English Paper-I |
| General Hindi Paper-II | General Hindi Paper-II |
| General Studies Paper-III | General Studies Paper-III |
| General Engineering Science Paper-IV | General Engineering Science Paper-IV |
| Civil Engineering Paper-V | Civil Engineering Paper-V |
| Civil Engineering Paper-VI | Civil Engineering Paper-VI |
| Mechanical Engineering Paper-V | Mechanical Engineering Paper-V |
| Mechanical Engineering Paper-VI | Mechanical Engineering Paper-VI |
| Electrical Engineering Paper-V | Electrical Engineering Paper-V |
| Electrical Engineering Paper-VI | Electrical Engineering Paper-VI |
| Download Admit Card | Download Admit Card |
| Check Revised Exam Date Notice | Check Revised Exam Date Notice |
| Download Exam Date Notice | Download Exam Date Notice |
| Apply Online Link | Apply Online Link |
| Download Corrigendum | Download Corrigendum |
| Bihar BPSC Official Website | Bihar BPSC Official Website |