
The Railway Recruitment Board (RRB) is gearing up to publish the NTPC Undergraduate Answer Key 2025 for the Computer-Based Test (CBT 1).
The Railway Recruitment Boards (RRBs) have officially published the RRB NTPC Undergraduate (UG) Answer Key 2025 on September 15, 2025. Candidates who appeared for the Non-Technical Popular Categories (UG) exam can now access the provisional answer key through the respective RRB regional websites.
What’s Available for Candidates?
Along with the provisional answer key, examinees can also check:
The questions asked in the exam
Their recorded responses
Correct answers as per the provisional key
This transparency allows candidates to review their performance before the results are finalized.
Objection Window Open Until September 20
If a candidate finds any discrepancies in the provisional key, they can raise objections online until September 20, 2025 (11:55 PM). To file an objection, a fee of ₹50 per question, along with applicable bank service charges, must be paid. Payment options include RuPay cards, credit cards, UPI, and net banking.
Refund Policy for Valid Challenges
The RRBs have clarified that if an objection is deemed valid, the objection fee will be refunded (after deducting bank charges). The refund will be processed directly to the same account used for the online payment.
Direct Link to Check RRB NTPC UG Answer Key 2025
Candidates can log in and download the provisional answer key using the official link below:
👉 Click here to check RRB NTPC UG Answer Key 2025
RRB NTPC UG 2025 Examination
The Railway Recruitment Board successfully conducted the NTPC CBT 1 examination to shortlist applicants for undergraduate-level posts. Thousands of candidates from across the country participated in this nationwide computer-based test. With CBT 1 concluded, all eyes are now on the release of the official answer key.
Where and When to Download
Expected Date: 2nd week of September 2025
Official Website: www.rrb.digialm.com
Format: PDF (Answer Key & Response Sheet)
RRB NTPC Undergraduate Answer Key 2025
The Railway Recruitment Board (RRB) has conducted the Non-Technical Popular Categories (NTPC) Undergraduate Examination 2025 under CEN 05/2024 between 7th August and 9th September 2025. This highly competitive exam aims to fill 3445 undergraduate-level vacancies across various posts including:
Commercial cum Ticket Clerk
Accounts Clerk cum Typist
Junior Clerk cum Typist
Trains Clerk
RRB NTPC Answer Key 2025
The Railway Recruitment Board (RRB) has not yet released an official notification regarding the RRB NTPC Undergraduate Answer Key 2025. However, based on past trends, the board typically publishes the provisional answer key within 4 to 5 days after the completion of the exam.
Since the NTPC UG CBT 1 exams concluded on 9th September 2025, candidates can reasonably expect the RRB NTPC Answer Key 2025 to be released in the second week of September 2025.
RRB NTPC 2025 Undergraduate Answer Key – overview
Candidates who appeared for the RRB NTPC Undergraduate Exam 2025 can soon access the official answer key and response sheet. Here’s a quick snapshot of the important details:
| Particulars | Details |
|---|---|
| Organization | Railway Recruitment Board (RRB) |
| Exam Name | NTPC Undergraduate Level (CEN 05/2024) |
| Total Vacancies | 3445 |
| Answer Key Release Date | Expected in 2nd week of September 2025 |
| Objection Window | Dates to be announced |
| Exam Dates | 7th August to 9th September 2025 |
| Total Questions | 100 |
| Negative Marking | ⅓ mark for every wrong answer |
| Login Credentials | Registration Number & Date of Birth |
| Objection Fee | ₹50 per question |
| Official Website | rrbcdg.gov.in |
RRB NTPC Undergraduate Answer Key 2025 – Direct Download Link
The Railway Recruitment Board (RRB) will soon activate the official download link for the RRB NTPC Undergraduate Answer Key 2025 on its website. Once released, the link will be available here for all candidates who appeared in the CBT 1 exam under CEN 05/2024.
How to Download RRB NTPC UG Answer Key 2025?
To check their RRB NTPC CBT 1 Undergraduate Answer Key 2025, candidates must keep their Username/Registration Number and Password/Date of Birth handy. Once the link is activated, follow the steps below:
Step-by-Step Process to Download the Answer Key
Visit the official Railway Recruitment Board website – rrbcdg.gov.in – or your respective regional RRB portal.
On the homepage, click on the link highlighted as “CEN 05/2024 (NTPC – Undergraduate)”.
Find the notification titled:
“CEN-05/2024 (NTPC Categories) – Tentative CBT 1 Undergraduate Level Answer Key & Response Sheet.”
Click on the given link, and you will be redirected to the login page.
Enter your Registration Number/Username and Date of Birth/Password.
Type the captcha/characters shown on the screen for verification.
Click on Login.
Your RRB NTPC UG Answer Key 2025 along with the response sheet PDF will appear on the screen.
Download and save it for score calculation and reference.
How to Challenge RRB NTPC Undergraduate Answer Key 2025?
If candidates find discrepancies in the provisional key, RRB provides an opportunity to raise objections. Here’s how it works:
An objection window will open along with the release of the answer key.
Candidates can submit challenges online by paying a fee of ₹50 per question.
The objection fee will be refunded only if the objection is found valid after review by RRB.
Final answers will be updated in the revised answer key, which will be the basis for preparing the results.
👉 The official dates for raising objections will be announced in the RRB NTPC Answer Key 2025 notification.
How to Calculate Marks Using RRB NTPC UG Response Key 2025?
The RRB NTPC Undergraduate CBT 1 Exam 2025 consists of 100 questions. The marking scheme is straightforward:
+1 mark for every correct answer
–0.33 mark (⅓rd) for every wrong answer
0 marks for unanswered/blank questions
This system allows candidates to calculate their approximate score using the response sheet and answer key before the official results are declared.
Step-by-Step Process to Calculate Marks
Log in to your account on the RRB portal using your Registration Number and Date of Birth/Password to access the response sheet and answer key.
Start from Question 1 and check if your answer matches the official key.
On a blank sheet, mark each response as Correct (✓), Incorrect (✗), or Blank (–).
Once done, count the total correct and total incorrect answers.
Apply the following calculation:
Correct Answer → × 1
Incorrect Answer → × 0.33
Use the formula below to compute your final score.
Formula for RRB NTPC UG Score Calculation
Total Marks=(No. of Correct Answers×1)–(No. of Incorrect Answers×0.33)Total Marks=(No. of Correct Answers×1)–(No. of Incorrect Answers×0.33)
Example Calculation
Suppose a candidate attempted 100 questions with the following distribution:
Correct Answers: 70
Incorrect Answers: 18
Unanswered Questions: 12
70×1–18×0.3370×1–18×0.3370–5.94=64.06 (≈ 64 marks after rounding)70–5.94=64.06(≈ 64 marks after rounding)
✅ Final Score = 64 marks
Quick Reference Table
| Details | Marks |
|---|---|
| Total Questions | 100 |
| Correct Answer | +1 mark |
| Wrong/Incorrect Answer | –0.33 mark |
| Blank Answer | 0 mark |