September 15, 2025
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Introduction
The RRB NTPC Answer Key 2025 for the undergraduate CBT 1 exam is finally live, and thousands of candidates are rushing to check their responses. The Railway Recruitment Board (RRB) released the provisional key on 15th September 2025 at rrb.digialm.com. With this, aspirants now have the chance to calculate their estimated scores, predict their results, and raise objections if they find any error in the official answers.
This blog will give you everything—step-by-step download guide, how to calculate marks, the objection process, and region-wise links. If you appeared in the CBT 1 exam between August 7 and September 9, 2025, this rrb ntpc answer key 2025 is a must-check before preparing for the next stage.
RRB NTPC Answer Key 2025 – Key Highlights
| Detail | Information |
| Exam Name | RRB NTPC CBT 1 (Undergraduate Level) |
| Conducting Body | Railway Recruitment Board (RRB) |
| Exam Dates | August 7 – September 9, 2025 |
| Answer Key Release Date | September 15, 2025 (4:00 PM) |
| Objection Window | Till September 20, 2025 (11:55 PM) |
| Negative Marking | -⅓ mark for every wrong answer |
| Objection Fee | ₹50 per question (refundable if valid) |
| Official Website | rrb.digialm.com, regional RRB portals |
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🔗 List of RRB NTPC Regional Websites
- RRB Ahmedabad – rrbahmedabad.gov.in
- RRB Ajmer – rrbajmer.gov.in
- RRB Allahabad (Prayagraj) – rrbald.gov.in
- RRB Bangalore – rrbbnc.gov.in
- RRB Bhopal – rrbbpl.nic.in
- RRB Bhubaneswar – rrbbbs.gov.in
- RRB Bilaspur – rrbbilaspur.gov.in
- RRB Chandigarh – rrbcdg.gov.in
- RRB Chennai – rrbchennai.gov.in
- RRB Gorakhpur – rrbgkp.gov.in
- RRB Guwahati – rrbguwahati.gov.in
- RRB Jammu & Srinagar – rrbjammu.nic.in
- RRB Kolkata – rrbkolkata.gov.in
- RRB Malda – rrbmalda.gov.in
- RRB Mumbai – rrbmumbai.gov.in
- RRB Muzaffarpur – rrbmuzaffarpur.gov.in
- RRB Patna – rrbpatna.gov.in
- RRB Ranchi – rrbranchi.gov.in
- RRB Secunderabad – rrbsecunderabad.gov.in
- RRB Siliguri – rrbsiliguri.gov.in
- RRB Thiruvananthapuram – rrbthiruvananthapuram.gov.in
All candidates can also use the central link for answer key login: rrb.digialm.com.
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How to Download RRB NTPC Answer Key 2025
Here’s a simple step-by-step guide to download the RRB NTPC UG Answer Key 2025:
Step-by-Step Process
- Visit the official portal: rrb.digialm.com or your regional RRB site.
- On the homepage, click the link – “CEN-06/2024 (NTPC-UG) CBT 1 Answer Key & Response Sheet”.
- Enter your Registration Number and Date of Birth.
- The system will display:
- Question IDs
- Candidate responses
- Correct answers
- Download the PDF for future reference.
Region-Wise RRB Portals
- RRB Kolkata
- RRB Chandigarh
- RRB Mumbai
- RRB Chennai
- RRB Allahabad
- RRB Bangalore
- RRB Bhopal
- RRB Guwahati, and more.
Every regional portal has activated the link simultaneously on 15th September 2025 at 4:00 PM.
Why RRB NTPC Answer Key 2025 is Important?
The answer key is not just a document. It’s a mirror of your performance in the exam. It allows you to:
- Match your answers with the official ones.
- Calculate your expected score before result.
- Decide whether you should raise objections.
- Get an early idea of your chances to qualify.
In fact, many serious aspirants use this to build confidence for the RRB NTPC mains stage. Without checking the answer key, you might be missing out on a crucial chance to evaluate yourself.
RRB NTPC Answer Key 2025: Difficulty & Response Sheet
The CBT 1 exam included sections like General Awareness, Mathematics, and Reasoning. Candidates can use the answer key PDF to cross-check their performance.
Marking Scheme
- +1 mark for every correct answer.
- -1/3 mark for every wrong answer.
- 0 marks for unattempted questions.
Example: If you got 85 correct and 15 incorrect, your score would be:
85 – (15 × 0.33) = 80.05 marks
This calculation gives you a very close estimate of your actual result.
Raising Objections Against RRB NTPC Answer Key 2025
If you believe any answer is incorrect, you can raise objections.
Process to Raise Objections
- Login at rrb.digialm.com.
- Select the “Objection Form” link.
- Choose the question and submit your explanation.
- Pay the fee of ₹50 per question.
- Submit before 20th September 2025, 11:55 PM.
Important: The fee will be refunded if your objection is found valid.
RRB NTPC UG Answer Key vs Graduate Level Answer Key
Many students ask about the difference between UG (12th pass level) and Graduate level answer keys.
- UG Answer Key 2025 → For posts requiring Class 12 qualification.
- Graduate Answer Key 2025 → For posts requiring graduation.
Both exams had similar structures but difficulty level and post preferences are different. That’s why separate answer keys are released.
RRB NTPC Answer Key 2025 in Hindi & English
Good news—RRB has made the answer key available in both Hindi and English. This ensures that all candidates, regardless of their language preference, can cross-check easily.
- Downloadable at rrb.digialm.com.
- Response sheet includes question ID, your marked response, and correct answer.
This transparency help candidates to trust the evaluation process better.
Tips to Use RRB NTPC Answer Key Effectively
Smart Ways to Analyze
- Focus on section-wise performance. Did reasoning consume too much time?
- Calculate not just total marks but accuracy percentage.
- Identify weak areas for the next stage.
Avoid Common Mistakes
- Don’t wait till last day, to raise objections.
- Avoid comparing your answers blindly with others.
- Forgetting to download the PDF copy is another silly mistake.
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Conclusion
The rrb ntpc answer key 2025 has given candidates a golden opportunity to check their answers, estimate marks, and raise objections before results. Released on 15th September 2025, this key can be downloaded from rrb.digialm.com and all regional RRB portals.
If you appeared for the CBT 1 exam, don’t wait—download your response sheet, calculate your score, and raise objections if necessary. This small step could make a big difference in your final selection.
Stay updated with the RRB NTPC official site for result announcements and further stages. Best of luck!
FAQs
Q1. When was the RRB NTPC Answer Key 2025 released?
The provisional answer key was released on 15th September 2025 at 4:00 PM. Candidates can download it from rrb.digialm.com or regional websites.
Q2. What is the objection fee for RRB NTPC Answer Key 2025?
The fee is ₹50 per question, refundable if the objection is valid. Candidates must raise objections before 20th September 2025.
Q3. How to calculate marks using the RRB NTPC Answer Key 2025?
For every correct answer, add +1 mark. For every wrong answer, subtract 0.33 marks. Unattempted questions get zero. Apply this formula to your response sheet.
