CSIR NET Exam Pattern 2026: Check June Subject-wise Pattern & Negative Marking

Council of Scientific and Industrial Research National Eligibility Test 2026 ( CSIR NET )

Shikha Goyal
Updated on Mar 17, 2026 16:41 IST

By Shikha Goyal, Assistant Manager

CSIR NET Exam Pattern 2026: The National Testing Agency (NTA) is expected to release the CSIR NET exam pattern 2026 soon for the June session. It will be released along with the CSIR NET notification. It is very important for a candidate to understand the pattern of an exam and syllabus. It will help candidate to know about the marking scheme, structure of an exam etc. In the CSIR NET exam, there is a negative marking and the duration of an exam is three hours. The CSIR NET Question Paper is divided in to three sections namely A,B and C. Also, there is no break between these three parts in the examination. 

The CSIR NET June session exam will be conducted in CBT mode for 5 subjects- Chemical Sciences, Earth Sciences, Life Sciences, Mathematical Sciences and Physical Sciences. Check below the CSIR NET Exam Pattern 2026 as prescribed by the HRDG for each paper. 

Table of contents
  • CSIR NET Exam Pattern 2026: Highlights
  • CSIR NET Exam Pattern 2026: Subject-Wise
  • CSIR NET Negative Marking
  • CSIR NET Exam Pattern 2026: Important Points
  • CSIR NET Best Books 2026
  • CSIR NET 2026 Exam Pattern FAQs
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CSIR NET Exam Pattern 2026: Highlights

The CSIR NET exam is conducted at a national level by the NTA for the candidates who want to join research or want to become the Assistant Professors. Basically, the exam is conducted twice a year, in June and December session. The June session notification is expected in March 2026. Before going through the detailed Exam Pattern, let us have a look at the major highlights of the exam below.

Particulars

CSIR Exam Pattern Highlights

Exam mode

Online

Exam duration

3 hours

Number of subjects

5

Name of subjects

  • Earth, Atmospheric, Ocean and Planetary Sciences
  • Chemical Sciences
  • Life Sciences
  • Mathematical Sciences
  • Physical Sciences

Total questions to attempt

  • Earth, Atmospheric, Ocean and Planetary Sciences: 75 MCQs
  • Chemical Sciences: 75 MCQs
  • Life Sciences: 75 MCQs
  • Mathematical Sciences: 60 MCQs
  • Physical Sciences: 55 MCQs

Type of questions

MCQs; 4 options with only 1 correct option

Total marks

200

Marking scheme

  • +2 for the correct answer
  • Negative marking of 25 per cent (33 per cent for some parts)

Language of paper

English and Hindi

Also Read:

CSIR NET Exam Date

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CSIR NET Exam Pattern 2026: Subject-Wise

The CSIR NET exam pattern varies for all five subjects. The subject-wise exam pattern of the CSIR NET Question Paper 2026 is given below:

CSIR NET Exam Pattern 2026 for Chemical Sciences

In the CSIR NET Chemical Sciences paper, candidates need to attempt a total of 75 MCQs combinedly from Part A, B and C. Each question in Part A and B carries two marks weightage and each question in Part C carries four marks. There is a negative marking of 25 per cent for wrong answers. Have a look at the detailed CSIR NET Exam Pattern for Chemical Sciences below.

Particulars

Part A

Part B

Part C

Total

Total Questions

20

40

60

120

Max no of questions to attempt

15

35

25

75

Marks for each correct answer

2

2

4

200

Negative marking of 25%

0.5

0.5

1

-

Also Read: CSIR NET Syllabus 

CSIR NET Exam Pattern 2026 for Earth Sciences

In the CSIR NET Earth Sciences paper, candidates need to attempt a total of 75 MCQs combinedly from Part A, B and C. Each question in Part A and B carries two marks and each question in Part C carries four marks. There is a negative marking of 25 per cent in Part A and B and 33 per cent in Part C for each incorrect answer. Have a look at the CSIR NET Exam Pattern for Earth Sciences below.

Particulars

Part A

Part B

Part C

Total

Total Questions

20

50

80

150

Max no of questions to attempt

15

35

25

75

Marks for each correct answer

2

2

4

200

Negative marking- 25% in Part A & B and 33% in Part C

0.5

0.5

1.32

-

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CSIR NET Exam Pattern 2026 for Life Sciences

In the CSIR NET Life Sciences paper, candidates need to attempt a total of 75 MCQs combinedly from Part A, B and C. Each question in Part A and B carries two marks and each question in Part C carries four marks. There is a negative marking of 25 per cent in Part A, B and C for each incorrect answer. Have a look at the CSIR NET Exam Pattern for Life Sciences below.

Particulars

Part A

Part B

Part C

Total

Total Questions

20

50

75

145

Max no of questions to attempt

15

35

25

75

Marks for each correct answer

2

2

4

200

Negative marking of 25% in Part A, B & C

0.5

0.5

1

-

Download CSIR NET Syllabus 2026 - Click Here

CSIR NET Exam Pattern 2026 for Mathematical Sciences

CSIR NET Mathematical Sciences paper contains 120 MCQs out of which candidates need to attempt 60 questions. Candidates need to complete the exam in three hours duration. Each question in Part A carries 2 marks, each question in Part B carries 3 marks and each question in Part C carries 4.75 marks. There is a negative marking of 25 per cent in Part A and B for each incorrect answer and there is no negative marking in Part C. Have a look at the CSIR NET Exam Pattern for Mathematical Sciences below.

Particulars

Part A

Part B

Part C

Total

Total Questions

20

40

60

120

Max no of questions to attempt

15

25

20

60

Marks for each correct answer

2

3

4.75

200

Negative marking in Part A & B of 25% and no negative marking in Part C

0.5

0.75

0

-

Also Read: CSIR NET Admit Card 

CSIR NET Exam Pattern 2026 for Physical Sciences

CSIR NET Physical Sciences paper contains 75 MCQs out of which candidates need to attempt 55 questions. Each question in Part A carries two marks marks weightage and each question in Part B and C carries a weightage of 3.5 and five marks, respectively. There is a negative marking of 25 per cent in Part A, B and C for each wrong answer. Here is the detailed CSIR NET Exam Pattern for Physical Sciences.

Particulars

Part A

Part B

Part C

Total

Total Questions

20

25

30

75

Max no of questions to attempt

15

20

20

55

Marks for each correct answer

2

3.5

5

200

Negative marking of 25%

0.5

0.875

1.25

-

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CSIR NET Negative Marking

CSIR NET Exam Pattern 2026 contains a Negative Marking in the exam. CSIR NET Negative Marking varies for different subjects. Candidates can check the subject-wise CSIR NET Negative Marking in the subject-wise CSIR NET exam pattern provided in this article. 

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CSIR NET Exam Pattern 2026: Important Points

Before starting the preparation for the CSIR NET exam, candidate needs to understand the exam pattern. The exam is conducted online and consists of Multiple-choice questions (MCQs). It is divided into three parts namely Part A, Part B and Part C. Part A is common for all the subjects and consists of General Aptitude questions. Where as Parts B and C are based on the subjects which is selected by the candidate. Candidates can read the CSIR NET Exam Pattern 2026 Important Points below.

  • Questions in Part-A are common for all subjects. This part contains questions on topics/subjects such as logical reasoning, graphical analysis, analytical and numerical ability, quantitative comparison, series formation, puzzles etc. 
  • Part B of the CSIR UGC NET exam contains subject-related multiple-choice questions. The questions in this part generally cover the topics given in the syllabus
  • Questions in Part C test candidates' knowledge of scientific concepts and/or application of the scientific concepts. The questions are analytical in nature in which candidates are required to apply scientific knowledge to arrive at the solution to the given problem
  • If a candidate attempts more than the required number of questions, only the first set of the required questions is considered for scoring
  • The CSIR UGC NET question paper is set in both Hindi and English languages

Also Read: CSIR NET Preparation Tips 

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CSIR NET Best Books 2026

It is also important for the candidates to chose right books for the preparation. Study material also plays an important role in the preparation of an exam. Books should cover the syllabus of an exam, provide in-depth explanations of the concepts, etc. Candidates can check the subject-wise CSIR NET Best Books 2026 in the table below which can help candidates prepare for the exam. 

Subject Book Name Author/Publisher
Chemical Sciences UGC-CSIR JRF/ NET Chemical Sciences (Chemistry) Trueman’s
Earth Sciences Joint CSIR-UGC NET Earth, Atmospheric, Ocean, and Planetary Sciences R. Gupta’s
Life Sciences UGC CSIR NET/ SET (JRF & LS) Life Sciences Arihant
Mathematical Sciences CSIR-UGC NET/ SET (JRF & LS) Mathematical Sciences Khanna Publishers
Physical Science CSIR-UGC NET/ JRF/ SET Physical Sciences Upkar’s

Read More: CSIR NET Exam Centres List 2026

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CSIR NET 2026 Exam Pattern FAQs

Candidates can check below the CSIR NET 2026 Exam pattern FAQs.

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