CSIR NET Answer Key 2025: Direct Link, Steps to Download

The CSIR NET Answer Key 2025 for the June session is likely to be released by September 2025. The answer key is published on the official website — csirnet.nta.nic.in. Applicants who appear for the exam can download the CSIR NET 2025 final answer key in PDF format from the NTA portal.

Initially, the provisional answer key is released along with an objection window open for a limited period. Based on the objections raised by candidates, the final answer key is then published.

The CSIR NET Result 2025 is also expected to be released by September 2025, and will be prepared based on the final answer key. Students must log in using their registration number and date of birth to download their scorecard from the official website.

CSIR NET Answer Key 2025: Direct Links

The CSIR NET Answer Key 2025 is expected to be released by September 2025. Once released, students can download the PDF from the official website. The direct links will be updated below once available:

Particulars	Direct Link
CSIR NET Final Answer Key Link 2025	To be Updated
CSIR NET Provisional Answer Key 2025	To be Updated
CSIR NET Objection Window 2025	To be Updated

How to Check CSIR NET 2025 Answer Key?

1. Visit the official website of CSIR NET.

2. Go to the 'Notice and Events' section.

3. Click on 'CSIR NET Answer Key 2025'.

4. A PDF file will open.

5. Click the 'Download' button to save the file.

Candidates are also advised to download the CSIR NET Certificate 2025 after the results are declared.

How to Challenge CSIR NET 2025 Answer Key?

Candidates can challenge the CSIR NET 2025 answer key through the official website, if they are not satisfied with the answer to any question. An online fee of INR 200 per question must be paid. Follow these steps:

1. Visit the official CSIR NET website.

2. Go to the 'Notice and Events' section.

3. Click on 'Challenge CSIR NET Answer Key 2025'.

4. Log in with application number and date of birth.

5. Select the question and corresponding option ID.

6. Click 'Save your Claim'.

7. Upload supporting documents.

8. Make the online payment.

9. Submit the claim.

CSIR NET Answer Key – Previous Years

Year	Session	Subject	Shift	Question Paper	Answer Key
2023	Dec	Life Sciences	Shift 1	Click Here	Click Here
2021	June	All Subjects	—	—	Download PDF
2019	June	Chemical Science	Set A/B/C	Download PDF	Download PDF
2018	June	All Subjects	Set A/B/C	Download PDF	Download PDF

Checking CSIR NET 2025 Provisional Answer Key & Response Sheet

1. Go to the official CSIR NET website.

2. Navigate to 'Notice and Events'.

3. Click on 'CSIR NET Response Sheet 2025'.

4. Enter login credentials.

5. Click 'Download'.

How to Calculate CSIR NET Score Using Answer Key 2025

Use the marking scheme below to calculate your CSIR NET 2025 score:

Chemical Science

• Section A: +2, -0.5

• Section B: +2, -0.5

• Section C: +4, -1

Earth, Atmospheric, Ocean & Planetary Sciences

• Section A: +2, -0.5

• Section B: +2, -0.5

• Section C: +4, -1.32

Life Sciences

• Section A: +2, -0.5

• Section B: +2, -0.5

• Section C: +4, -1

Mathematical Sciences

• Section A: +2, -0.5

• Section B: +3, -0.75

• Section C: +4.75, No negative marking

Physical Sciences

• Section A: +2, -0.5

• Section B: +3.5, -0.875

• Section C: +5, -1.25

Details Mentioned on CSIR NET Answer Key 2025

• Exam Name

• Exam Date

• Shift Number

• Subject Name

• Subject Code

• Question Numbers

• Correct Option

Also Read: What is a Good Score in CSIR NET 2025?