BPSC AE Answer Key 2025 Released: Check Here. The Bihar Public Service Commission (BPSC) has officially released the provisional answer key for the Assistant Engineer (AE) written examination. Candidates who appeared for the exam held from July 17th to 19th, 2025, can now download the answer key to cross-check their responses and estimate their potential scores.
This guide provides everything you need to know about the BPSC Assistant Engineer Answer Key 2025. We will walk you through how to download it, calculate your marks, challenge any discrepancies, and prepare for the next steps. This information is designed to be simple and clear, helping you confidently navigate this crucial stage of your examination journey.

BPSC Assistant Engineer: Job Overview
Here is a quick look at the BPSC Assistant Engineer position:
| Detail | Description |
| Post Name | Assistant Engineer (AE) – Civil, Mechanical, Electrical |
| Conducting Body | Bihar Public Service Commission (BPSC) |
| Job Location | Bihar |
| Selection Process | Written Exam, Experience Evaluation, Document Verification |
| Official Website | bpsc.bih.nic.in |
How to Download the BPSC AE Answer Key 2025
Accessing your answer key is a straightforward process. Follow these simple steps to get your copy:
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Visit the Official Website: Go to the official BPSC portal at bpsc.bih.nic.in.
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Find the Answer Key Link: On the homepage, look for the “Latest Announcements” or a similar section.
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Select Your Exam: Click on the link that says “BPSC Assistant Engineer Exam Answer Key 2025” for your specific engineering branch (Civil, Mechanical, or Electrical)
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Download the PDF: The answer key will open as a PDF file. Download and save it on your device for future reference.
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Match Your Answers: Carefully compare the answers in the key with your question paper set and the responses you marked in the exam.
How to Calculate Your Estimated Score
Before you start, it’s essential to understand the exam’s marking scheme.
Understanding the Marking Scheme
The written exam consists of six papers. Four papers are compulsory, and two are optional based on your engineering discipline.[5] For each correct answer, you are awarded one mark. For every incorrect answer, 0.25 marks are deducted. The General English and General Hindi papers are qualifying in nature, meaning you must score at least 30% in each to have your other papers evaluated.
Step-by-Step Score Calculation
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Get Your Tools Ready: Have your downloaded answer key, your response sheet (if available), and your question paper handy.
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Count Correct Answers: Compare your answers with the official key and count the total number of correct responses.
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Count Incorrect Answers: Count the total number of answers you marked incorrectly.
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Apply the Formula: Use the following formula to calculate your estimated score:
Estimated Score = (Total Correct Answers x 1) – (Total Incorrect Answers x 0.25)
Here is an example to help you understand:
| Response Type | Number of Questions | Marks Per Question | Total Marks |
| Correct Answers | 80 | +1 | +80 |
| Incorrect Answers | 20 | -0.25 | -5 |
| Not Attempted | 0 | 0 | 0 |
| Estimated Total | 75 Marks |
Also Read:-₹60,000 Post-Matric Scholarships for SC/ST/OBC Students 2025
BPSC AE Eligibility Criteria
To be eligible for the Assistant Engineer post, candidates must meet specific criteria set by the BPSC.
| Criteria | Requirement |
| Nationality | Must be an Indian citizen. |
| Educational Qualification | A B.E./B.Tech degree in the relevant engineering discipline (Civil, Mechanical, or Electrical) from an AICTE-approved university. |
| Age Limit | The minimum age is 21 years, and the maximum is 37 years for unreserved male candidates. Age relaxation is provided for female candidates and reserved categories as per government rules. |
Salary and Stipend Information
A career as a BPSC Assistant Engineer comes with an attractive salary and benefits. The position falls under Pay Level 9 with a grade pay of ₹5400. The starting basic pay is approximately ₹53,100.[
Including allowances like Dearness Allowance (DA) and House Rent Allowance (HRA), the in-hand monthly salary is estimated to be between ₹64,258 and ₹70,468. This leads to an annual package of around ₹9 to ₹11.5 lakhs.
How to Apply for the BPSC AE Post
For future reference, here is the typical application process for the BPSC AE recruitment:
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Visit the Official Website: Go to the BPSC online application portal.
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Complete Registration: Register by providing basic details like your name, email, and mobile number.
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Fill the Application Form: Log in with your credentials and fill out the detailed application form with your personal, academic, and contact information.
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Upload Documents: Upload scanned copies of your photograph, signature, and other required documents in the specified format.
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Pay the Application Fee: Pay the application fee online. The fee is ₹750 for General candidates and ₹200 for SC/ST/PH and female candidates from Bihar.
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Submit and Print: Review your application, submit it, and download a copy of the confirmation page for your records.
Important Dates
| Event | Date (Tentative) |
| Exam Conducted | July 17, 18, & 19, 2025 |
| Answer Key Release | July 24-25, 2025 |
| Objection Submission Last Date | To be announced |
| Final Answer Key Release | August 2025 |
| Result Announcement | August/September 2025 |
How to Raise an Objection
If you find any discrepancy in the provisional answer key, BPSC provides a window to raise objections.
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Log in to the Portal: Visit the official BPSC website and log in to your candidate dashboard.
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Navigate to Objections: Find the link for “Raise Grievance” or “Objection Submission.”
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Select the Question: Choose the question number you wish to challenge.
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Provide Justification: Clearly state your reason for the objection and upload supporting documents or proof.
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Submit: Submit your objection before the deadline. The commission will review all objections before releasing the final answer key.
Important Links
| Description | Link |
| Download BPSC AE Answer Key 2025 | Official Website |
| Raise Objection Link | Website |
| Official BPSC Website | https://bpsc.bih.nic.in |
FAQs
1. When was the BPSC AE Answer Key 2025 released?
The BPSC AE provisional answer key was released on July 24-25, 2025.
2. Is there negative marking in the BPSC AE exam?
Yes, there is a negative marking of 0.25 marks for each incorrect answer in the objective papers.
3. What details are needed to download the BPSC AE Answer Key?
You can directly download the answer key PDF from the official BPSC website without needing any login credentials.
4. What should I do if I find an error in the answer key?
You can object to the official BPSC portal within the specified timeframe by providing valid proof for your claim.
5. Where will the final BPSC AE result be declared?
The final result will be published on the official BPSC website after the commission reviews all objections and releases the final answer key.
