Railway Recruitment Boards (RRBs) will conduct the RRB NTPC CBT exam for undergraduate-level posts under CEN 05/2024 between 7th August and 9th September 2025. Once the exam wraps up, RRB will release the RRB NTPC UG Answer Key 2025 along with the Undergraduate 12th Level Response Sheet during the third week of September 2025 on their regional websites. This guide will walk you through how to download the answer key, understand the marking scheme, and calculate your estimated score using the official key.
RRB NTPC UG Answer Key 2025: Key Highlights
| NTPC UG Answer Key 2025—Highlights | |
| Organization Name | Railway Recruitment Board (RRBs) |
| Posts / Exam Name | Undergraduate Level (CEN 05/2024) |
| Vacancy | 3445 |
| Answer Key Release Date | 3rd September 2025 |
| Last Date to download the answer key | To be Notified |
| Last date to challenge the answer key | To be Notified |
| Exam Dates | from 7th August to 9th September 2025 |
| RRB NTPC UG Admit Card 2025 | 4th August 2025 onwards |
| RRB NTPC UG City Intimation 2025 | 29th July 2025 onwards |
| Total Number of Questions | 100 |
| Negative Marking | ⅓rd mark |
| Details Required | Registration Number & Date of Birth |
| Raise Objection Fee | Rs. 50 per question |
| Official Website | https://www.rrbcdg.gov.in/ |
How to Download the RRB NTPC UG Answer Key 2025 & Response Sheet
Follow these simple steps to access your answer key:
- Visit the official RRB regional website or navigate via https://www.rrbcdg.gov.in/.
- Click the notification titled “CEN‑05/2024 (NTPC Categories)—Link for Viewing of Tentative CBT‑1 Undergraduate Level Answer Key & Response Sheet.”
- On the login page, enter your registration number and date of birth.
- View the “Candidate Details” and “Candidate’s Responses” tabs.
- Access your responses and the correct answers.
- Click Print → Save as PDF to preserve the link or download it directly.
Remember to act fast—RRB typically keeps the answer key live for only six days.
Interested in Raising Objections? Here’s How
If you spot an error in the tentative answer key, you can submit an objection, but make sure you do it within the specified window. You must:
- Upload valid proof supporting your challenge.
- Pay an ₹50 fee per question challenged.
- Keep your objection ready for submission online—post-deadline objections will not be entertained.
After evaluating challenges, RRB will post the final answer key, which will be conclusive and result-bound.
Marking Scheme: Calculate Your Estimated Score
You can quickly estimate your score using the answer key and the marking rules:
- Correct Answer: +1 mark
- Incorrect Answer: –0.33 mark
- Blank/Unattempted: 0 mark
- Total Questions: 100
- Maximum Score: 100 marks
Simply tally your correct and incorrect attempts, apply the deduction, and derive your likely score
Conclusion
The release of the RRB NTPC UG Answer Key gives candidates a crucial opportunity to assess their performance and raise objections if needed. Aspirants should download the key, verify their responses, and take timely action within the objection window. This step brings you closer to the final result, so stay alert and keep checking official updates. Many candidates also seek coaching for railway exam to better understand the exam pattern, improve their speed and accuracy, and boost their overall chances of success.
It is expected to be released in the third week of September 2025.
Yes, submit your challenge with proof and a ₹50 per-question fee during the objection window.
You will need your registration number and Date of birth to access the answer key.
You lose 0.33 marks for each wrong answer, while correct answers score +1 mark.
Typically, RRB keeps it accessible for about six days—download it promptly.
