CSIR NET Shift Timings 2025: DEC Subject-Wise Paper Timing, Exam Date & Instructions

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

DeskCalelnderExam On - 18 Dec '25

Shikha
Shikha Goyal
Assistant Manager
Updated on Dec 16, 2025 16:52 IST
The CSIR UGC NET 2025 December session exam will be conducted by NTA on December 18, 2025. The CSIR NET 2025 admit card was released on December 14. Candidates can check below the detailed schedule, exam shift timings, subject-wise exam dates, important instructions, exam centre list, and more.

The CSIR NET 2025 exam will be conducted on December 18 in two shifts on a single day. Candidates can check below the exam schedule, shift timings, instructions and exam centre list. 

CSIR NET 2025 Exam Timings and Schedule

CSIR NET 2025 Exam Shift Timings and Schedule

CSIR NET 2025 Exam: The National Testing Agency (NTA) released the CSIR NET 2025 exam schedule, shift timings, city slip and admit card at csirnet.nta.nic.in. The CSIR NET 2025 exam will be conducted on December 18 in two shifts. First shift is from 9 am to 12 noon and second shift is from 3 pm to 6 pm. CSIR NET admit card was released on December 14. The hall ticket is mandatory to carry to the examination centre by the candidate. Without it, candidate will not be allowed to sit in the exam. The December session NTA CSIR NET exam will be conducted online. Scroll down for more detail regarding the CSIR NET 2025 subject-wise exam date, shift timings, instructions, exam centre list, and more.

Table of contents
  • CSIR NET 2025 December Exam Date
  • CSIR UGC NET 2025 December Exam Date Subject-Wise
  • CSIR NET 2025 Dec Exam Timings
  • CSIR NET 2025: Exam Day Instructions
  • CSIR NET 2025 Exam: Preparation Tips

CSIR NET 2025 December Exam Date

CSIR NET 2025 Dec session exam timings

CSIR NET 2025 Dec session exam timings

The CSIR NET exam for the Dec session will be conducted on December 18. It will be held in two shifts. The detailed schedule is provided below.

CSIR UGC NET 2025 December Exam Date Subject-Wise

The CSIR NET 2025 exam for the December session will be conducted as a Computer Based Test (CBT) mode at various centres across India. Candidates can check below the CSIR NET 2025 subject-wise exam date for the December session.

Q:   What is the validity of the CSIR NET 2025 certificate?
A:

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. 

Q:   What is the date for CSIR NET Dec 2025 exam?
A:

The December session exam of CSIR NET 2025 will be conducted on December 18 in two shifts. The whole exam schedule has not been released by the authority. It will be released soon at csirnet.nta.nic.in. 

Subject Name Exam Date Exam Timings
Mathematical Sciences 18-Dec-2025 3 pm to 6 pm
Earth, Atmospheric, Ocean and Planetary Sciences 18-Dec-2025 9 am to 12 Noon
Chemical Sciences 18-Dec-2025 3 pm to 6 pm
Life Sciences 18-Dec-2025 9 am to 12 Noon
Physical Science 18-Dec-2025 3 pm to 6 pm

CSIR NET 2025 Dec Exam Timings 

The CSIR NET 2025 December session exam will be conducted in two shifts to evaluate the knowledge of the candidates' and eligibility for the JRF and LS (Lectureship). Check below the CSIR NET 2025 exam timings for the Dec  session. 

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11 Nov '25 - 30 Apr '26

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27 Dec '25

CSIR NET Exam Day Events

CSIR NET 2025 First Shift Timings

CSIR NET 2025 Second Shift Timings

Timing of exam

9:00 AM-12:00 PM

3:00 PM-6:00 PM

Duration of exam

3 hours without break

3 hours without break

Entry into the exam centre

7:00-8:00 AM

1:00-2:00 PM

Entry into the exam hall/room

8:15-8:30 AM

2:15-2:30 PM

Checking of admit cards by the invigilator

8:30-8:45 AM

2:30-2:45 PM

Sitting on the seat in the exam hall

8:45 AM

2:45 PM

Instructions by the invigilators

8:45-8:55 AM

2:45-2:55 PM

Test commences

9:00 AM

3:00 PM

Test concludes

12:00 PM

6:00 PM

Also Read: CSIR NET Syllabus 2025 in Detail

CSIR NET 2025: Exam Day Instructions

The NTA released the CSIR NET 2025 Admit Card for the December session. The admit card is a crucial document that needs to be carried by the candidates in the examination hall. Without it candidates will not be allowed to take the CSIR NET exam. It is also necessary to check the instructions before going to the exam. Scroll down to know the CSIR NET 2025 exam day instructions.

  • Candidates should reach at the exam centre at the time indicated in the CSIR NET 2025 admit card as the reporting time.
  • Once the examination centre gate is closed, candidates will not be allowed to enter.
  • Candidates will not be allowed to leave the examination hall before the end of the examination.
  • After the completion of the exam, candidates need to wait for the invigilator's instructions. One by one candidates are allowed to come out of the examination hall.
  • The CSIR NET admit card is provisional, subject to satisfying the CSIR NET Eligibility Criteria 2025 as given in the Information Bulletin.
  • It is advised to the candidates to verify the examination centre a day in advance so that they do not face any sort of problems on the examination day. 
  • If religion or customs require you to wear specific attire, then please visit the exam centre a little early for thorough checking and frisking.
  • The candidate will not be allowed to enter the examination centre without an admit card, self-declaration undertaking, valid ID proof, and proper frisking.
  • The candidate also needs to enter the required details in the Self Declaration (Undertaking) in legible handwriting, paste their photograph, and put a thumb impression at the appropriate place on the admit card. This needs to be done before reaching the exam centre.
  • PwBD candidates (with a disability of 40% and more) will be allowed an extra 20 minutes per hour of the examination.
  • It is also important for PwBD candidates to bring a PwBD certificate issued by the Competent Authority if claiming relaxation under the PwBD category. The scribe provided by the NTA must also carry his or her own Self Declaration (Undertaking) regarding educational qualification, passport-size photograph, valid government identity, and self-declaration (Undertaking).
  • Candidates are not allowed to carry personal belongings, electronic devices, or mobile phones to the examination centre.
  • Shoes or footwear with thick soles and garments with large buttons are also not allowed.

Also Read: CSIR NET 2025 Exam Pattern

CSIR NET 2025 Exam: Preparation Tips

Few days are left for the CSIR NET 2025 exam. Candidates can check below some of the last-minute CSIR NET preparation tips that will help them boost their confidence, revision, and more. 

  • Candidates are advised to quickly go through the CSIR NET 2025 exam pattern and syllabus with the marking scheme. There is a negative marking of 25 percent (33 percent for a few parts) for each wrong answer.
  • Revise CSIR NET important topics 
  • Prepare a proper strategy before appearing for the CSIR NET exam to manage time and accuracy.
  • Analyse, solve question papers, and mock a test
  • In the examination hall, read the questions carefully before marking answers.
  • Don't take stress and stay calm.

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About the Author
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Shikha Goyal
Assistant Manager

Role: Editorial Domain

Education: Mass Com & Journalism, MSC Mathematics

Expertise: Sarkari Exam Expert

About

Shikha Goyal is a double post graduate with more than 12 years of experience in education domain, journal

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Write here...

Answered a week ago

The CSIR NET 2025 exam will be conducted on December 18 in two shifts. As per the schedule released, the Mathematical Science exam will be held from 3 pm to 6 pm on Dec 18. 

I

Ishita Kaur

Contributor-Level 6

Answered a week 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

Gunjan Majumder

Contributor-Level 6

Answered 4 weeks ago

The National Testing Agency declare the CSIR NET Cut off. It will be released subject and category-wise. The cut off is prepared on the basis of several factors including difficulty of the exam, reservation norms, number of candidates, etc.

K

Kritika Sharma

Contributor-Level 6

Answered a month ago

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 Dete

...Read more

S

Shikha Goyal

Contributor-Level 10

Answered a month ago

The authority will release the CSIR NET 2025 result for the December session on the official website at csirnet.nta.nic.in. It will contain the name of a candidate, roll number, category, parents' name, Post applied (JRF and Assistant Professor or Assistant Professor Only), subject code, etc.

G

Gunjan Majumder

Contributor-Level 6

Answered a month ago

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

-

V

Virajita Shukla

Contributor-Level 6

Answered a month ago

The CSIR NET 2025 final answer key will be released on the official website at csirnet.nta.nic.in. After analysing the representations of the aspirants, 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. 

N

Nitesh Pruthi

Contributor-Level 6

Answered a month ago

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

K

Kritika Sharma

Contributor-Level 6

Answered a month ago

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/

...Read more

M

Manisha Singh

Contributor-Level 6

Answered a month ago

The authority released the CSIR NET 2025 application form at csirnet.nta.nic.in. The last date to apply was October 27. Candidates who are interested in appearing the exam, need to fill the application form by providing all the details as asked. 

 

C

Chanchal Shekhar

Contributor-Level 6