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

The CSIR NET Examination 2025 for December Sessions was conducted on 18 December by the National Testing Agency (NTA). The Answer Key for the December session will be released today on the official website. Those candidates who appear in the CSIR NET Exam 2025 will be able to download the answer key on the official website at csir.nta.ac.in by using their login credentials, such as Registration number and date of birth. For more details, Candidates are advised to go through the article below, as we have consolidated all the details regarding CSIR NET 2025.

CSIR NET Answer key 2025

The NTA will release the CSIR NET Answer Key 2025 for candidates aspiring to qualify for Junior Research Fellowship (JRF) and Lectureship/Assistant Professor positions in Indian universities and colleges. The exam will conclude on 18 December 2025, conducted by the National Testing Agency (NTA). The NET Exam 2025 Question paper has been divided into three parts such as Part A, Part B, and Part C. Part A and B will have a negative marking of 25% and Part C will have a negative marking of 33%.

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 will be 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 2025 Overview
  • Conducting Body: National Testing Agency (NTA)
  • Exam Name: CSIR NET December 2025
  • Mode of Exam: Computer-Based Test (CBT)
  • Exam Duration : 3 Hours
  • Exam Purpose: JRF & Assistant Professor Eligibility, PhD Admission
  • Subject: Chemical Sciences, Earth, Atmospheric, Ocean & Planetary Sciences, Life Sciences, Mathematical Sciences, and Physical Sciences
  • CSIR NET Exam Date 2025: 18 December 2025
  • Exam Shifts: Shift 1- 09:00 AM to 12:00 PM and Shift 2 – 03:00 PM to 06:00 PM
  • Exam Cities: 225
  • CSIR NET Admit Card Status: Released
  • CSIR NET Answer Key 2025: Released Today
  • Official Website: csirnet.nta.nic.in

CSIR NET Answer Key PDF Download link

The National Testing Agency will activate the CSIR NET Answer key 2025 link for the December session today. 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 of NET. The Examination is a computer-based test and is set to be conducted in 225 Cities across the country on the 18th of December. Registered Candidates are advised to download the answer key by using their login credentials.

CSIR NET Answer Key Download Link (Not Active)

CSIR NET Response Sheet 2025

The CSIR NET Response Sheet 2025 will be 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 nominal fee per question.

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

CSIR NET Objection Link

After analyzing the answer key 2025, Candidates who find any discrepancies or have any doubt regarding the answers in the provisional answer key can challenge the answer by using the objection link, which will be activated on the official website by NET. For every question, candidates have to pay a non – non-refundable fee of Rs. 200. The fee will be paid in online mode by Credit card, Debit Card, or by using Net banking. After reviewing all the objections, the NTA will publish the CSIR NET Final Answer Key 2025.

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:

Subject
Marks per Correct Answer 
Negative Marking
A B C A B C
Chemical Science 2 2 4  -0.5 -0.5 -1
Earth, Atmospheric, Ocean & Planetary Science 2 2 4  -0.5 -0.5 -1.32
Life Sciences  2 2 4  -0.5 -0.5 -1
Mathematical Science 2 3 4.75  – 0.5 – 0.75 0
Physical Science  2 3.5 5  -0.5 -0.875 -1.75

 

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