CSIR NET Answer Key 2025: December Subject-Wise Answer Key Download Link

Council of Scientific and Industrial Research National Eligibility Test 2025 ( CSIR NET )

DeskCalelnderRegistration - 25 Sep '25 - 24 Oct '25

Shikha Goyal
Updated on Sep 25, 2025 16:17 IST

By Shikha Goyal, Assistant Manager

CSIR NET Answer Key 2025: The National Testing Agency (NTA) will release the CSIR UGC NET 2025 Answer Key for the December session at csirnet.nta.ac.in. Candidates will be able to download it by visiting the official website or via direct link provided below once it is reelased. The CSIR NET Provisional Answer Key 2025 will be released along with the question paper and marked responses. The answer key challenge window will also be opened for a limited time duration. After analysing the representations of the candidates, the NTA will release the CSIR UGC NET final answer key for the Dec session. The answer key will be released in two phases- Provisional and Final. 

After releasing the final answer key, the CSIR NET Result & Cut-off will also be released for Dec cycle by NTA on the official website. Here we have shared the details about the process of downloading the CSIR NET 2025 Answer Key PDF, important dates related to the release of the answer key, how to calculate scores based on the answer key and much more.

Table of content
  • How to Download CSIR NET Answer Key 2025?
  • CSIR NET Exam Dates 2025
  • How to Challenge CSIR NET Answer Key 2025?
  • Details Mentioned on CSIR NET Answer Key 2025
  • How to Calculate Scores using CSIR NET Answer Key 2025?
  • CSIR UGC NET Final Answer Key 2025
  • How to Download CSIR NET Dec 2025 Final Answer Key?
  • CSIR NET Answer Key 2025 FAQs
View More
CSIR NET Logo

How to Download CSIR NET Answer Key 2025?

Candidates need to follow the below-mentioned steps to check and download the CSIR NET Provisional Answer Key for the December session:

  • Visit the official website of CSIR UGC NET- csirnet.nta.ac.in
  • For the CSIR UGC NET 2025 answer key, go to the link given
  • A new login window for the CSIR UGC NET Response Key 2025 will appear
  • Enter the CSIR NET exam login details, which include your application number and date of birth/password
  • After submitting the details on the screen, the CSIR UGC NET 2025 answer key will be shown
  • Save it to your device for future use

Direct Link to Check CSIR NET 2025 Dec Answer Key: to be updated here

Read More:

CSIR NET Syllabus in Detail

CSIR NET Exam Dates 2025

Take a look at the table below for the complete schedule of CSIR NET 2025 exam

DatesPast Exam Dates
20 Aug ' 25

CSIR NET 2025 June Result

01 Aug ' 25

CSIR NET 2025 June Provisional Answer Key

01 Aug ' 25 - 03 Aug ' 25

CSIR NET 2025 June Provisional Answer Key challenge window

CSIR NET Logo

How to Challenge CSIR NET Answer Key 2025?

In case, any candidate is not satisfied with the given answer for any question, s/he can challenge it on the official website of the exam. However, it may be noted that for each challenged question/answer, candidates have to pay a fee of INR 200 in online mode.

Candidates can follow the steps mentioned below to challenge the answer key:

  • Visit the official website of CSIR UGC NET
  • Click on the answer key link
  • Enter the application number, password/date of birth and security pin
  • Click on the Sign In button
  • Click on the link available to challenge the answer key
  • Select the correct answer option ID for the question ID for which the challenge needs to be made
  • Click on the 'Save Your Claims' button
  • Upload the document that supports the claimed answer
  • Click on ‘Save Your Claims & Pay Fee’ button
  • Pay INR 200 per question in online mode via credit card/debit card/internet banking
  • If any question is found to be incorrect, the benefit of marks will be given to candidates who attempted that question
  • In case, it is found that along with the original answer key one more option is correct, the benefit of marks will be given to candidates who attempted any one of the correct options

As per the notification released, the processing fee may be paid using Debit/Credit Card/Net Banking. No challenge will be entertained without receipt of the processing fee. The fee towards the challenge will not be accepted through any other mode.

CSIR NET Logo

Details Mentioned on CSIR NET Answer Key 2025

CSIR UGC NET 2025 December answer key for the CSIR NET 2025 exam contains correct answers for all the questions asked in the exam. The answer key contains the following details.

Exam name

Exam date

Exam shift

Exam subject name

Exam subject code

Question IDs

Correct option IDs

-

CSIR NET Logo

How to Calculate Scores using CSIR NET Answer Key 2025?

CSIR UGC NET answer key is an important document as it allows candidates to calculate the expected scores for the exam. Candidates are advised to check all answers given in the key carefully and calculate the scores correctly. To calculate the correct CSIR NET score, it is important that candidates are well-versed in the marking scheme of the exam. Check the CSIR NET marking scheme for all subjects below:

CSIR NET Scores of Chemical Sciences

Candidates can calculate the CSIR NET Chemical Sciences scores through the answer key in the following manner.

CSIR NET Chemical Science Paper Parts

Marks Allotted for Each Question 

Marks Deducted for Each Question

A

+2

-0.5

B

+2

-0.5

C

+4

-1

CSIR NET Scores of Earth, Atmospheric, Ocean and Planetary Sciences

Candidates can calculate the CSIR NET Earth Sciences scores through the answer key in the following manner.

CSIR NET Earth Science Paper Parts

Marks Allotted for Each Question 

Marks Deducted for Each Question

A

+2

-0.5

B

+2

-0.5

C

+4

-1.32

CSIR NET Scores of Life Sciences

Candidates can calculate the CSIR NET Life Sciences scores through the answer key in the following manner.

CSIR NET Life Science Paper Parts

Marks Allotted for Each Question 

Marks Deducted for Each Question

A

+2

-0.5

B

+2

-0.5

C

+4

-1

CSIR NET Scores of Mathematical Sciences

Candidates can calculate the CSIR NET Mathematical Sciences scores through the answer key in the following manner.

CSIR NET Mathematical Science Paper Parts

Marks Allotted for Each Question 

Marks Deducted for Each Question

A

+2

-0.5

B

+3

-0.75

C

+4.75

0

CSIR NET Scores of Physical Sciences

Candidates can calculate the CSIR NET Physical Sciences scores through the answer key in the following manner.

CSIR NET Physical Science Paper Parts

Marks Allotted for Each Question 

Marks Deducted for Each Question

A

+2

-0.5

B

+3.5

-0.875

C

+5

-1.25

Also Read: CSIR UGC NET Exam Pattern 

CSIR NET Logo

CSIR UGC NET Final Answer Key 2025

The NTA will release the CSIR NET 2025 Dec session Final Answer key at csirnet.nta.ac.in. Candidates will be able to download the Final Answer key PDF below. The CSIR UGC NET Answer Key for the Dec session will be released in a PDF format and candidates can download the CSIR NET Answer Key PDF through the link provided below in this article once it is reelased.

Candidates who will not be satisfied with the answers mentioned in the provisional answer key raised objections against the answer key in a particular time frame. Candidates need to pay INR 200 per question to submit their objections against the CSIR NET Answer Key 2025. The CSIR NET answer key will be released in two phases - Provisional and Final. The CSIR NET Provisional Answer Key 2025 will be released along with the question paper and marked responses. After analysing the representations of the candidates, the NTA will release the CSIR NET final answer key. 

Check CSIR NET 2025 Dec Final Answer Key PDF: to be updated here

 

 

 

View answer key
CSIR NET Logo

How to Download CSIR NET Dec 2025 Final Answer Key?

The CSIR NET 2025 final answer key pdf will be available for download at the official website at csirnet.nta.ac.in. Candidates can download the CSIR NET 2025 final answer key pdf for all the subjects online by following the steps given below:

  • Visit the official website: csirnet.nta.ac.in
  • On the homepage, click on the CSIR December 2025 Final Answer Key
  • A PDF file with correct responses will be displayed on the screen
  • Download pdf, check answers and save it for further references

Direct link to check CSIR NET 2025 Dec Final Answer Key: to be updated here

CSIR NET Logo

CSIR NET Answer Key 2025 FAQs

Candidates can read the CSIR NET Answer Key 2025 FAQs below.

Q&A Icon
Commonly asked questions
Q:   What is the objection fee for CSIR NET 2025 Answer Key?
A: 

The authority will release the CSIR NET 2025 provisional answer key for the December Session on the official website. Candidates can also challenge the answer key, and based on the objections received, the NTA will release the final answer key. Candidates need to pay INR 200 per question as an objection fee. This fee is non-refundable.

Q:   Is CSIR NET 2025 Final Answer Key released?
A: 

No. The CSIR NET 2025 Final Answer Key for the December Session will be released on the official website at csirnet.nta.ac.in. The CSIR NET Final Answer Key will be released after analysing the representations of the candidates. A direct link will also be provided on this page once it is released.

qna

CSIR NET Exam

Student Forum

chatAnything you would want to ask experts?
Write here...

Answered 3 days ago

The authority will release the CSIR NET 2025 result for the December session at csirnet.nta.nic.in. Candidates required an application number and date of birth to view their scorecard. After the CSIR NET result, the candidates who will be qualified for the exam will be provided with the CSIR NET eli

...Read more

N

Nitesh Pruthi

Contributor-Level 6

Answered 3 days ago

As per the information bulletin, there is no end period for the validity of the qualifying certificate of Assistant Professor. 

S

Shikha Shukla

Contributor-Level 6

Answered 3 days ago

Candidates can check the CSIR NET 2025 Chemical Science section-wise difficulty level and good attempts for the June session in the table below based on the students' review.

Part Name

Total MCQs

Total MCQs to be Attempted

Good Attempts

Difficulty Level

Part A

20

15

8-12

Moderate

Part B

40

35

14-18 (approx)

Moderate to Difficult

Part C

60

25

17-20 (approx)

Difficult

Total

120

75

105-110+ Marks

Moderate to Difficult

J

Jasleen Jain

Contributor-Level 6

Answered 3 days ago

Candidates can check the CSIR NET 2025 Mathematical Science Analysis for June session in the table below based on the students' review.

Part Name

Total MCQs

Total MCQs to be Attempted

Good Attempts

Difficulty Level

Part A

20

15

10-12

Easy to Moderate

Part B

40

25

14-18

Moderate to Difficult

Part C

60

20

16-20

Moderate to Difficult

Total

120

60

110-115+ Marks

Moderate to Difficult

M

Manisha Singh

Contributor-Level 6

Answered 3 days ago

The CSIR NET stands for the Council of Scientific and Industrial Research National Eligibility Test. It determines the eligibility of Indian nationals for the 'award of Junior Research Fellowship and appointment as Assistant Professor.' Also, appointment as 'Assistant Professor and admission to Ph.D

...Read more

C

Chanchal Shekhar

Contributor-Level 6

Answered 3 days ago

The CSIR NET December session application form was released on September 25, 2025 at csirnet.nta.nic.in. The last date to apply is October 24. The last date for successful transaction of the examination fee is October 25. Candidates are advised to read the instructions for payment carefully before

...Read more

S

Satyendra Garg

Contributor-Level 6

Answered 3 days ago

The NTA CSIR NET application correction window will open from October 27 to 29 for the December session. It is recommended to the students that they should be cautious while filling out the details in the registration form. 

S

Shikha Goyal

Contributor-Level 10

Answered 3 days ago

The last date to apply for the CSIR UGC NET December session is October 24, 2025 (up to 11:50 PM). Candidates who have not yet applied can apply by visiting at csirnet.nta.nic.in. The last date for fee payment is October 25. Candidates can apply for payment through net-banking/debit/credit card/UPI

...Read more

I

Ishita Kaur

Contributor-Level 6

Answered a month ago

Candidates should follow a balanced approach. No doubt books help in conceptual clarity, and a candidate can study in detail. On the other hand, online platforms provide lectures through video, have updated notes, cover current affairs as well, etc. It also depends upon the candidate's feasibility a

...Read more

S

Satyendra Garg

Contributor-Level 6

Answered a month ago

No. The syllabus of CSIR NET is the same for JRF (Junior Research Fellowship) and Lectureship (Assistant Professor). The difference that lies is only in the cut-off marks and not in the syllabus.

S

Shikha Shukla

Contributor-Level 6

Upcoming Sarkari Exam Dates

RRB ALP DV and medical exam 13 Oct '25 - 21 Oct '25
KARTET Notification 2025 30 Sep '25 - 31 Oct '25
IBPS Clerk Prelims Result 2025 Oct '25
IBPS PO 2025 Mains Result Oct '25
DSSSB 2025 TGT Application Form 9 Oct '25 - 7 Nov '25

News & Updates

Latest NewsPopular News