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The National Testing Agency (NTA) has released the provisional answer keys and recorded response sheets for Joint CSIR-UGC NET December 2025. The examination was conducted on December 18, 2025, for 2,12,552 candidates.
You can access the December session provisional answer key and individual response sheets for CSIR NET 2025 on the official portal at csirnet.nta.nic.in until January 1, 2026 (up to 11:00 PM). NTA issues separate keys for each of the five core subjects: Chemical Sciences, Earth Sciences, Life Sciences, Mathematical Sciences and Physical Sciences.
To download the answer key, use the specific login credentials, such as application number and date of birth. Following the release, a brief objection window will also open, allowing to challenge any perceived discrepancies in the provisional answer key. These challenges will undergo expert review, after which the final answer key and the CSR NET 2025 result for December session will be announced.
CSIR NET December 2025: Important Dates
The timeline for the CSIR NET December 2025 session is given here:
Event | Dates |
Exam Date | December 18, 2025 |
Provisional Answer Key Release | December 30, 2025 |
Date for Raising Objections | December 30, 2025 to January 1, 2026 (11:00 PM) |
Final Answer Key & Result Announcement | First Week of January 2026 (Tentative) |
How to Download CSIR NET 2025 Answer Key for December Session?
Follow these instructions to access your Joint CSIR NET 2025 provisional answer key:
- Step 1: Open your web browser and go to the official NTA portal at csirnet.nta.ac.in.
- Step 2: On the homepage, find the notification named "Provisional Answer Key - CSIR NET December 2025" to click.
- Step 3: Provide your secure login details, which include your Application Number and your Date of Birth (or your account password).
- Step 4: Once logged in, your subject-specific key and personal response sheet will appear on the screen. Download and save these files as a PDF immediately to ensure you have a copy of your records.
Download: CSIR NET 2025 December Provisional Answer Key (PDF)
CSIR NET 2025 Objection Guidelines
Follow these parameters to ensure your challenge is reviewed by the subject experts:
| Guidelines | Details |
| Submission Timeline | The challenge facility is available for a short duration of 2–3 days immediately after the provisional key is published. |
| Processing Charges | There is a mandatory non-refundable fee of INR 200 for every question contested. |
| Documentation | You must provide academic proof to back your claim. All supporting evidence should be merged and uploaded as a single PDF file. |
| Resolution | Once the expert panel evaluates all submissions, the NTA will issue the Final Answer Key. This final version serves as the basis for the December Result. |
How to Raise an Objection Against CSIR NET December 2025 Provisional Answer Key?
Check this short process to know how an objection can be raised:
- Enter the portal using your credentials.
- Choose the ID for the question you wish to challenge.
- Attach your PDF justification.
- Complete the transaction via the online gateway.
Direct Link: CSIR NET Dec 2025 Objection Window (Active Until Jan 1st , 11 PM)
Joint CSIR - UGC NET December 2025 Login Window
If you encounter any issues, you can reach out to the helpdesk by calling 011-40759000 or emailing [email protected].
Read: CSIR NET Dec 2025: Answer Key, Response Sheet, Result and Counselling Dates
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