CSIR NET Answer Key 2025 Released – Direct Link, Response Sheet & Marks Formula

The National Testing Agency (NTA) has officially released the CSIR NET Answer Key 2025 for the December session on December 30, 2025. This is a crucial update for 2,12,552 candidates who appeared for the examination conducted on December 18, 2025.

The answer key plays an important role in the post-exam process, as it allows candidates to verify their responses, match answers, and calculate their estimated scores before the final result is announced. Along with the answer key, NTA has also released the response sheet for each candidate.

The provisional answer key is available in PDF format on the official website csirnet.nta.nic.in. Candidates are advised to check the answer key carefully and raise objections (if any) within the stipulated time period.

CSIR NET Answer Key 2025

The National Testing Agency (NTA) releases the CSIR NET Answer Key in two stages – Provisional and Final. For the Joint CSIR-UGC NET December 2025 examination, the provisional answer key along with the candidate response sheet was officially released on December 30, 2025.

The provisional answer key is an important document for candidates, as it enables them to compare their marked responses with the official answers and estimate their expected score before the declaration of the final result.

Objection Process for CSIR NET Answer Key 2025

If any candidate finds an error or discrepancy in the provisional answer key or response sheet, they can raise an objection by logging in with their registration number and password. The objection window will remain open until January 1, 2026 (up to 11:00 PM).

While submitting objections, candidates must pay a non-refundable fee of ₹200 per question and upload supporting documents/evidence to justify their claim. Objections submitted without valid proof will not be considered.

CSIR NET Answer Key 2025 – Key Highlights

Answer Key Phases Explained

• Provisional Answer Key:
  This phase allows candidates to review their responses against the official answers and challenge any discrepancies within the given time frame.
• Final Answer Key:
  After evaluating all objections raised by candidates, NTA releases the final answer key, which contains the confirmed correct answers. The CSIR NET result is prepared based on this final answer key.

Also Read – Jeevika Answer Key 2025 PDF Download | Set A B C D Official

CSIR NET Answer Key 2025 – Important Dates

The CSIR NET Answer Key 2025 along with the candidate response sheets has been released on the official website csirnet.nta.ac.in. Candidates who appeared for the examination can check all the important dates related to the answer key, objection window, and final key in the table below.

CSIR NET Answer Key 2025 – Schedule

How to Check CSIR NET Answer Key 2025

Candidates can follow the step-by-step process below to download the Joint CSIR UGC NET Provisional Answer Key:

1. Visit the official website: csirnet.nta.nic.in
2. Go to the Latest News / Public Notices section.
3. Click on the link “Answer Key of Joint CSIR UGC NET December 2025 Examination.”
4. The answer key PDF will open on the screen.
5. Download the PDF and compare it with your marked responses.

Steps to Challenge CSIR NET Answer Key 2025

Candidates who are not satisfied with the provisional answer key can submit objections online by following these steps:

1. Visit the official website and click on “Answer Key Challenge – CSIR UGC NET DEC 2025.”
2. Log in using your Application Number and Password / Date of Birth.
3. Click on the “Challenge Answer Key” option.
4. Select the Question ID and the correct option ID you want to challenge.
5. Pay the non-refundable fee of ₹200 per question through online payment modes.
6. Upload supporting documents/evidence in one single PDF file.
7. Submit the challenge and keep a copy of the confirmation for reference.

Objections without valid proof will not be considered by National Testing Agency.

CSIR NET 2025 Score Calculation

Candidates can estimate their scores using the official marking scheme and answer key.

Marking Scheme

• Part A & Part B
  • +2 marks for each correct answer
  • –0.5 marks for each incorrect answer
• Part C
  • +4 marks for each correct answer
  • –1 mark for each incorrect answer

Formula for Score Calculation

• Part A & B Score
  (Number of Correct Answers × 2) – (Number of Incorrect Answers × 0.5)
• Part C Score
  (Number of Correct Answers × 4) – (Number of Incorrect Answers × 1)

Using this formula, candidates can calculate their estimated score and assess their qualification chances.

Importance of CSIR NET Answer Key

The CSIR NET answer key plays a crucial role for candidates as it helps them to:

• Verify their answers with official responses
• Estimate their probable score before results
• Maintain transparency in the evaluation process
• Raise objections against incorrect answers

What to Do After the Answer Key Release?

After the provisional answer key is released, candidates should:

• Carefully verify all answers
• Raise objections within the deadline if discrepancies are found
• Wait for the final answer key
• Check the CSIR NET result, which will be based on the final key

Conclusion

The release of the CSIR NET Answer Key 2025 marks a critical stage in the examination process. It gives candidates an opportunity to review their performance, estimate scores, and challenge discrepancies before the final result. Candidates are advised to follow all procedures carefully and keep track of official updates.

Candidates are advised to verify all details from the official website only. For the latest updates regarding CSIR NET, regularly check official notifications issued by NTA.

Frequently Asked Questions (FAQs)