CSIR NET Final Answer Key 2025 OUT: December Subject-Wise Answer Key Download Link
Council of Scientific and Industrial Research National Eligibility Test 2025 ( CSIR NET )
The authority released the CSIR NET 2025 Final Answer Key for the December session in the form of PDF. It has been released on January 30 on the official portal at csirnet.nta.nic.in on January 30. Earlier, the provisional answer key was released on December 30. The objection window was closed on January 1. Candidates can download their final answer key PDF from the direct link provided below.
It is also expected that the CSIR NET 2025 Result will also be announced soon. After releasing the final answer key, the CSIR NET Result & Cut-off will also be announced for Dec cycle. Scroll down for more detail about the CSIR NET 2025 answer key.
Latest News & Updates:
CSIR NET Final Answer Key 2025 OUT For December Exam; Download PDF at csirnet.nta.nic.in
- CSIR UGC NET Final Answer Key 2025
- CSIR NET Exam Dates 2025
- How to Download CSIR NET Dec 2025 Final Answer Key?
- How to Download CSIR NET Answer Key 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 NET Answer Key 2025 FAQs
CSIR UGC NET Final Answer Key 2025
The NTA released the CSIR NET 2025 Dec session Final Answer key at csirnet.nta.nic.in. Candidates can download the Final Answer key PDF below. The CSIR UGC NET Answer Key for the Dec session has been released in a PDF format and candidates can download the CSIR NET Answer Key PDF through the link provided below in this article.
Candidates who will not be satisfied with the answers mentioned in the provisional answer key raised objections about the answer key against 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 was released along with the question paper and marked responses. After analysing the representations of the candidates, the NTA released the CSIR NET final answer key.
CSIR NET 2025 Dec Final Answer Key PDF: Download Here
Commonly asked questions
The CSIR NET 2025 final answer key has been released on the official website at csirnet.nta.nic.in. After analysing the representations of the aspirants, the NTA released the CSIR UGC NET final answer key for the Dec session. The answer key has been released in two phases- Provisional and Final.
The authority will release the CSIR NET answer key at csirnet.nta.nic.in. It contains correct answers for all the questions asked in the exam. Check below for more details:
Exam name | Exam date |
Exam shift | Exam subject name |
Exam subject code | Question IDs |
Correct option IDs | - |
CSIR NET Exam Dates 2025
Take a look at the table below for the complete schedule of CSIR NET 2025 exam
| Dates | Past Exam Dates |
|---|---|
| 30 Jan ' 26 | CSIR NET 2025 Dec Final Answer Key |
| 30 Jan ' 26 | CSIR NET 2025 Dec Result |
| 30 Dec ' 25 | CSIR NET 2025 Dec Provisional Answer Key |
How to Download CSIR NET Dec 2025 Final Answer Key?
CSIR NET 2025 final answer key pdf is available for download at csirnet.nta.nic.in. Candidates can download CSIR NET 2025 final answer key pdf for all subjects online by following manner:
Commonly asked questions
Candidates can check below the list of Life Science books that will help in the preparation:
- Life Science by Ashish Nagesh, Quaisher J. Hossain
- Life Sciences Books (Vol 1) by Dr. Poonam Sharma
- Plant Physiology by Taiz and Zeiger
- CSIR UGC NET Life Sciences by Trueman’s Publication
- Microbiology by Prescott
- Life Sciences Fundamentals and Practice Part 1 & 2 by Pranav Kumar
- Fundamentals of Life Sciences Volume I and Volume II by Rupendra Singh
Some of the topics that a candidate can revise in the CSIR NET Chemical Science subject:
Organic Reactive Intermediates: Carbocation, Carbanions, Free Radicals, Benzynes
Stereochemistry: Stereogenicity, Stereoselectivity, Enantioselectivity
Organic Reaction Mechanisms
Pericyclic Reactions
Structure Determination of Organic Compounds
Asymmetric Synthesis, Determination of Enantiomeric and Diastereomeric Excess
IUPAC Nomenclature
Concepts in Organic Synthesis
Chemistry of Natural Products, etc.
How to Download CSIR NET Answer Key 2025?
- Visit at csirnet.nta.nic.in
- Go to the link given
- A new login window will appear
- Enter the login details, which include your application number and date of birth/password
- The answer key will be shown
- Save it to your device for future use
Direct Link to download the CSIR NET 2025 Dec Answer Key
Read More:
Commonly asked questions
Yes, the NTA released the CSIR NET 2025 Answer Key on its portal. The candidates were required to login with their credentials to download their subject answer key. The last date to send objections was January 1, 2026.
Yes. The NTA has released the CSIR UGC NET 2025 Provisional Answer Key for the December session. Candidates can download it by visiting the official portal or via a direct link provided on this page. They required login credentials to check the answer key.
The June session exam date for the CSIR NET 2026 has not been released yet. It will be conducted in two shifts. The whole exam schedule will be released by the authority. It will be announced at csirnet.nta.nic.in.
How to Challenge CSIR NET Answer Key 2025?
In case, any candidate is not satisfied with the given answer for any question, he or she can challenge it. 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 methods mentioned below to challenge the answer key:
- Visit at csirnet.nta.nic.in
- 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.
Commonly asked questions
The authority will release the CSIR NET 2026 provisional answer key for the June 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.
The CSIR NET exam consists of five subjects some of them are Maths, Physical Science, Chemical Science, etc. Part A in the exam is common for all candidates and Part B and C is subject-specific. Candidates need to select one subject and prepare well to clear the examination.
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Exams which are to be conducted soon
27 Nov '25 - 10 Feb '26
Aug '26
30 Aug '26
Details Mentioned on CSIR NET Answer Key 2025
The CSIR NET answer key released separately for each subject. The final answer key will be released after considering objections against the provisional answer key. CSIR NET exam December answer key consists of correct answers for all the questions asked in the exam. It contains the following details.
| Exam name |
Exam date |
| Exam shift |
Exam subject name |
| Exam subject code |
Question IDs |
| Correct option IDs |
- |
Also Read: CSIR NET Cut Off
Commonly asked questions
Yes. The CSIR NET Provisional Answer Key for the December Session was released at csirnet.nta.nic.in. A direct link is also provided on this page. The answer key objection raising dates were December 30 to January 1, 2026.
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.' and 'admission to Ph.D. only' in several Indian universities and colleges.
How to Calculate Scores using CSIR NET Answer Key 2025?
The CSIR NET exam is conducted twice in a year. Candidates are advised to check all CSIR UGC NET answers given in the key carefully and calculate the scores correctly.
Chemical Sciences Scores
Candidates can calculate it 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 |
Earth, Atmospheric, Ocean and Planetary Sciences scores
Candidates can calculate it 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 |
Life Sciences Scores
Candidates can calculate it 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 |
Mathematical Sciences Scores
Candidates can calculate it 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 |
Physical Sciences scores
Candidates can calculate it 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
Commonly asked questions
Yes. Candidates clear the CSIR UGC NET exam in three months. But to pass the exam proper strategy is required. They make study plans, do revisions, solve question papers, practice tests, etc. If a candidate study properly then nothing is impossible to crack.
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 Answer Key 2025 FAQs
Candidates can read the CSIR NET Answer Key 2025 FAQs below.
Commonly asked questions
Officially it is mentioned that CSIR Fellowships or Associateships are tenable in universities, IITs, postgraduate colleges, government research establishments including those of CSIR, R&D establishments of recognised public or private sector industrial firms, and other recognised institutions.
No. The CSIR NET is a prestigious examination conducted by the National Testing Agency twice a year. The CSIR NET 2026 notification for the June session will be released at csirnet.nta.nic.in.
Yes. Candidates clear the CSIR UGC NET exam in three months. But to pass the exam proper strategy is required. They make study plans, do revisions, solve question papers, practice tests, etc. If a candidate study properly then nothing is impossible to crack.
The authority will release the CSIR NET answer key at csirnet.nta.nic.in. It contains correct answers for all the questions asked in the exam. Check below for more details:
Exam name | Exam date |
Exam shift | Exam subject name |
Exam subject code | Question IDs |
Correct option IDs | - |
As per the information bulletin, there is no end period for the validity of the qualifying certificate of Assistant Professor.
The CSIR NET exam consists of five subjects some of them are Maths, Physical Science, Chemical Science, etc. Part A in the exam is common for all candidates and Part B and C is subject-specific. Candidates need to select one subject and prepare well to clear the examination.
No, a candidate cannot apply for more than one subject in the CSIR NET exam. Candidates can only apply for one subject as per the exam cycle.
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.
As per the information bulletin, the upper age limit for the CSIR NET exam should not be more than 30 years as on the first day of the month in which the examination is concluded. A relaxation of upto 5 years is provided to the candidates belonging to OBC-NCL (as per the Central list of OBC) /SC/ST/PwD/PwBD/Third gender categories and to women applicants.
The CSIR NET 2025 certificate is valid for lifetime for Assistant Professor. On the other hand, the award of JRF is for a fixed tenure and does not imply an assurance or guarantee for subsequent employment. The CSIR NET JRF certificate is valid for two years from the date mentioned on the certificate.
Yes. The NTA has released the CSIR UGC NET 2025 Provisional Answer Key for the December session. Candidates can download it by visiting the official portal or via a direct link provided on this page. They required login credentials to check the answer key.
CSIR NET Exam
Student Forum
Anything you would want to ask experts?Answered 2 weeks ago
The authority released the CSIR NET 2025 December session result on the official website at csirnet.nta.nic.in. It has been released in the form of PDF. It also consists of the roll numbers and rank of candidates who qualified the exam.
V
Contributor-Level 6
Answered 3 weeks ago
List of some the books that are helpful for the CSIR NET Earth Science preparation are mentioned below:
- Environmental Geology by Edward A Keller
- Structural Geology by Haakon Fossen
- Sedimentology and Stratigraphy by Gary Nichols
- Principles of Sedimentology and Stratigraphy by Sam Boggs Jr.
- Vertebrate Pale
N
Contributor-Level 6
Answered 3 weeks ago
The list of some of the important topics of Mathematical Science paper is mentioned below:
- Analysis
- Numerical & Complex Analysis
- Calculus of Variations
- Linear Integral Equations
- Algebra
- Ordinary Differential Equations (ODEs)
- Descriptive Statistics, Exploratory Data
- Classical Mechanics
S
Contributor-Level 6
Answered 3 weeks ago
The CSIR NET Physical Science Paper consists of the important topics as mentioned below:
- Mathematical Methods of Physics
- Classical Mechanics
- Thermodynamic and Statistical Physics
- Electromagnetic Theory
- Quantum Mechanics
- Electronics and Experimental Methods
M
Contributor-Level 6
Answered 3 weeks ago
Topics that are covered in the CSIR NET Life Science exam are listed below:
- Molecules and their Interaction Relevant to Biology
- Cellular Organization
- Cell Communication and Cell Signaling
- Developmental Biology
- System Physiology – Plant
- System Physiology – Animal
- Fundamental Processes
- Ecological Principles
- Ev
C
Contributor-Level 6
Answered 3 weeks ago
Officially, the CSIR NET Syllabus is available on the official portal at csirhrdg.res.in. It is available subject-wise in the form of PDF. Candidates can downlaod by visiting the official website. The CSIR NET syllabus is also available on this page itself.
I
Contributor-Level 6
Answered a month ago
Yes, the NTA released the CSIR NET 2025 Answer Key on its portal. The candidates were required to login with their credentials to download their subject answer key. The last date to send objections was January 1, 2026.
M
Contributor-Level 6
Answered a month ago
Yes. The NTA has released the CSIR UGC NET 2025 Provisional Answer Key for the December session. Candidates can download it by visiting the official portal or via a direct link provided on this page. They required login credentials to check the answer key.
I
Contributor-Level 6
Answered a month ago
The CSIR NET 2025 exam was conducted on December 18 in two shifts. As per the schedule released, the Mathematical Science exam was held from 3 pm to 6 pm on Dec 18.
I
Contributor-Level 6
Answered 2 months ago
The CSIR NET 2025 Notification was released on September 25 in the form of PDF at csirnet.nta.nic.in. The notification conists if the important information related to the exam like exam dates, syllabus, pattern of an exam, etc.
G
Contributor-Level 6
Upcoming Sarkari Exam Dates
RRB Group D 2025 Exam (08/2024) 27 Nov '25 - 10 Feb '26
When will the CSIR NET December session 2025 result be announced?