CSIR NET Answer Key 2025 OUT, Download PDF for December Session

The CSIR NET Answer Key 2025 for the December session has been released on 30 December 2025 on the official website. The Joint CSIR-UGC NET December 2025 examination was conducted on 18 December 2025 by the National Testing Agency (NTA). Candidates who appeared for the examination can download the provisional answer key, question paper, and recorded responses by logging in with their registration number and date of birth at the official portal. For complete information on the answer key download process, challenge window, and important dates, candidates are advised to read the detailed article below.

CSIR NET Answer Key 2025 Out

The National Testing Agency (NTA) has released the CSIR NET Answer Key 2025 for the Joint CSIR-UGC NET December 2025 examination. The exam was conducted on 18 December 2025 in CBT mode across the country for 2,12,552 candidates. Along with the provisional answer key, NTA has also uploaded the question papers and recorded responses, allowing candidates to verify their answers and raise objections, if any, within the prescribed timeline.

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• Appeared candidates: 2,12,552 across India
• Objection/challenge window: 30 December 2025 to 01 January 2026 (up to 11:00 PM)
• Challenge fee: ₹200 per question (non-refundable)
• Last date for payment of challenge fee: 01 January 2026 (up to 11:00 PM)
• Fee payment modes: Credit Card / Debit Card / Net Banking / UPI only

CSIR NET Answer Key 2025: Overview

The CSIR NET Exam 2025 is going to be conducted in two shifts, that is  9 AM to 12 noon and from 3 PM to 6 PM. CSIR NET Answer Key 2025 has been released by NTA, allowing candidates to cross-check their responses and calculate their expected scores. Candidates are advised to check the quick overview table for the CSIR NET 2025 Exam.

CSIR NET Answer Key PDF Download link

The National Testing Agency has activated the CSIR NET Answer key 2025 link for the December session. Candidates who appeared in the examination can download their answer key by using the direct link given below, or you can visit the official website. Registered Candidates are advised to download the answer key by using their login credentials.

CSIR NET Answer Key Download Link (Active)

CSIR NET Response Sheet 2025

The CSIR NET Response Sheet 2025 has been released along with the provisional answer key, which will allow candidates to access their marked answers from the examination. CSIR NET December Response Sheet 2025 helps to cross-verify the attempted questions against the official answer key to estimate their scores. Candidates can download their response sheet by logging in with their credentials, such as application number and date of birth, and discrepancies (if any) can be challenged by paying a fee Rs. 200/- per question.

CSIR NET Objection Link

The CSIR NET Answer Key Objection Link has been activated by the National Testing Agency (NTA) on the official website for the December 2025 session. Candidates who are not satisfied with the provisional answer key can submit their objections online by logging in with their registration number and date of birth. The objection facility is available from 30 December 2025 to 01 January 2026 (up to 11:00 PM), on payment of a non-refundable fee of ₹200 per question through online modes only. Objections submitted without successful fee payment or through offline mode will not be accepted.

Link To Challenge CSIR NET Answer Key 2025

How to Download CSIR NET Answer Key 2025?

The CSIR NET 2025 exam is being conducted by the National Testing Agency (NTA) on a single day for all subjects. Here’s the step-by-step procedure for candidates to download the CSIR NET December Answer Key 2025.

1. Visit the official website at csirnet.nta.ac.in.
2. Click on the ” CSIR December 2025 ” Answer key
3. Enter your login credentials, such as Application Number and Date of Birth.
4. Select your Subject (Chemical, Earth, Life, Mathematical, or Physical Sciences).
5. The answer key (PDF) will be displayed.
6. Download the CSIR NET Answer key and save it for future reference.

Details to be Mentioned on the CSIR NET Answer Key 2025

As CSIR NET December Exam 2025 is conducted by the NET to determine the eligibility of candidates for Assistant Professor in colleges. Here’s the list of Details to be mentioned on the CSIR NET Answer Key 2025.

• Exam Name (CSIR UGC NET)
• Subject / Paper Applied For
• Exam Date
• Exam Subject Code
• Question IDs
• Correct option IDs

How to Challenge CSIR NET Answer Key 2025?

If candidates find any discrepancies in the provisional answer key, they can raise objections within the given window.

1.  Visit the official NTA website.
2. Click on “Challenge Answer Key”.
3. Select the question ID and upload the supporting documents
4. Pay the objection fee of Rs. 200 per question.
5. Submit the objection before the deadline.

CSIR NET 2025 Marking Scheme

The CSIR NET exam comprises three parts: Part A, Part B, and Part C, each containing objective-type multiple-choice questions. There is no sectional time break, and candidates must attempt questions as per the prescribed limits for their subject. Below is the subject-wise CSIR NET Marking Scheme:

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