CSIR NET Answer Key 2025 Released: Download December Exam PDF & Raise Objections

The National Testing Agency (NTA) officially released the answer key for the Joint CSIR UGC NET December 2025 examination on 30th December 2025. Over 212,552 candidates who participated in the computer-based test can access their answer keys by logging in with their Application Number and Password. Objections against the provisional keys can be submitted until 1st January 2026, with a processing fee of Rs. 200/- per challenged question.

CSIR NET Answer Key 2025 Out

The Joint CSIR UGC NET December 2025 exam was successfully held on 18th December 2025 across the country. The NTA has now published both the individual response sheets and the official answer keys. Candidates can use these resources to cross-verify their responses and calculate a tentative score based on the official marking scheme.

Check CSIR NET Result 2026 – Official Link

CSIR NET December Answer Key 2025

The NTA has released the CSIR UGC NET December 2025 answer key along with candidate response sheets. By reviewing these documents, aspirants can assess their performance and predict their likely marks before the final results are formally declared.

The CSIR NET 2025 exam, conducted by the NTA, serves as the qualifying gateway for Indian nationals aiming for Junior Research Fellowship (JRF), Assistant Professor eligibility, and admission into PhD programs at universities and research institutes across India.

CSIR NET Answer Key 2025 Link

The official download portal for the CSIR NET Answer Key 2025 is now active at www.csirnet.nta.ac.in. For your convenience, we have provided a direct access link below, allowing you to bypass site traffic and retrieve your answer key instantly.

Download CSIR NET Answer Key 2025 – Direct Link Active

Steps to download the CSIR NET Answer Key 2025

Follow the simple, step-by-step instructions available on the official NTA website at www.csirnet.nta.nic.in to download your specific CSIR NET answer key and response sheet.

1. Visit the official website of the National Testing Agency (NTA) at www.csirnet.nta.nic.in.
2. On the homepage, look for the “Latest News” section.
3. Candidates find a link to download the “Joint CSIR NET December 2025 – Click Here to Answer Key Challenge.” Click on that link.
4. Candidates are redirected to a new page. Here, candidates need to log in by entering their application number and date of birth.
5. Enter the Security Pin as shown in the image and click on the Submit tab.
6. After successfully logging in, the answer key appears on the screen.
7. Download the answer key and calculate your estimated score.

Found Discrepancies? Share Your CSIR NET Response Sheet Here

CSIR NET Answer Key December 2025: Raise Objection

If you identify any discrepancies in the answer key, the NTA provides a formal objection window. Candidates can challenge the CSIR NET December 2025 Answer Key from 30th December 2025 through 1st January 2026. A non-refundable fee of Rs. 200/- per question applies. Please note that only online payments via debit/credit card or net banking are accepted; challenges without payment will not be processed.

Click Here to File an Objection

Steps to Raise Objections to CSIR NET December Answer Key 2025

1. Go to the official website National Testing Agency (NTA) at https://csirnet.nta.ac.in.
2. Click on the link that reads “Joint CSIR UGC NET Answer Key Challenge Open Click Here.”
3. A new login page appears on the screen. Enter your Application Number and Password, enter your Security PIN as displayed, then click on the submit button.
4. Click on “View Question Paper” for marked responses and to view or challenge the Answer keys. Click on the link “Click to view /Challenge Answer Key”.
5. You will see Question IDs in sequential order.
6. The ID next to the question under the column ‘Correct Option(s)’ stands for the correct Answer Key to be used by NTA.
7.  If candidates want to challenge this option, they may use any one or more of the Option IDs given in the next four columns by clicking the check box.
8. After clicking your desired option, scroll down, ‘Save your Claims’ and move to next screen.
9. You will see a display of all the Option IDs you have challenged.
10. You may want to upload supporting documents in which you can select ‘Choose File’ and upload (all documents are to be put in a single PDF file only).
11. Click on ‘Save your Claims and pay fee’ or in case to modify the claims, click on ‘Modify your Claims’.
12. After saving the claims, you will find a screen displaying your challenges.
13. Kindly pay the fee by clicking on ‘Pay Fee’. The claims will be saved finally after successful payment of a required fee.
14. Select Mode of Payment and Pay a non-refundable processing fee of Rs. 200/- for each question challenged.

UGC NET December Answer Key 2025 Marking Scheme

The CSIR NET marking system awards 2 marks for every correct answer in Parts A and B, and 4 marks for each correct answer in Part C. Be aware of the negative marking policy: 25% of the allotted marks are deducted for every incorrect response. This equates to a penalty of 0.5 marks for questions in Parts A and B, and a 1-mark deduction for errors in Part C.

• Correct Answer: (i) Each correct answer in Part A and Part B is awarded 2 marks
  (ii) Each correct answer in Part C is awarded 4 Marks
• Incorrect Answer: (i) Deduction of 0.5 marks for incorrect answers in Part A and B
  (ii) Deduction of 1 mark for incorrect answers in Part C.

View CSIR UGC NET Syllabus 2025

Understand CSIR NET Exam Pattern 2025