CSIR NET Exam Pattern 2026: Subject-Wise Marking Scheme & Question Structure

The Council of Scientific and Industrial Research (CSIR) organizes the National Eligibility Test (NET) annually across five core disciplines: Chemical Sciences, Earth Sciences, Life Sciences, Mathematical Sciences, and Physical Sciences. This examination is the gateway for candidates aspiring for the Junior Research Fellowship (JRF) and Assistant Professor (Lectureship) positions. To streamline your preparation, a comprehensive understanding of the syllabus and exam structure is essential. Read on for a detailed breakdown of the CSIR NET exam pattern for all subjects.

CSIR NET Exam Pattern 2026

Understanding the official CSIR NET exam pattern is critical for your success. The CSIR UGC NET 2026 June examination is scheduled for 17th and 18th July 2026. The test features objective-type multiple-choice questions totaling 200 marks, distributed across three distinct sections: Part A, Part B, and Part C. Part A consists of general aptitude questions common to all candidates, while Parts B and C focus on subject-specific proficiency, with varying question counts depending on your discipline. This guide provides a clear, structured overview of these patterns for every subject.

CSIR NET Exam Pattern 2026 summary
Conducting Body	Council of Scientific Research National Eligibility Test
Papers	Earth Sciences, Life Sciences, Chemical Sciences, Mathematical Sciences and Physical Sciences
Total Questions	Chemical Science - 75 out of 120 Life Science - 75 out of 145 Mathematical Science - 60 out of 120 Earth Sciences - 75 out of 150 Physical Science - 55 out of 75
CSIR NET Exam Date 2026	17th and 18th July 2026
Exam Time	3 hours
Total Marks	200
Paper Language	English and Hindi
Total Parts	3
Negative marking	Varies per subjects

CSIR NET June 2026 Official Notification Released - Click to View

CSIR NET Exam Pattern 2026 Subject-Wise

Before you dive into your test preparation, it is crucial to analyze the CSIR NET Exam Pattern 2026 specific to your chosen field. Since each subject maintains its own distinct format and question weightage, knowing the nuances of your paper is key to high performance. The CSIR NET exam is conducted for the following five subjects:

1. Chemical science,
2. Earth science,
3. Life science,
4. Mathematical Science
5. Physical Science.

CSIR NET Exam Pattern for Chemical Science

Aspirants aiming for a career in academia or research as a Junior Research Fellow (JRF) in Chemistry should thoroughly review the Chemical Sciences exam pattern. Success requires a balanced command over organic, inorganic, and physical chemistry. Mastering the specific question distribution across all three sections is vital for achieving a competitive score. The detailed pattern for Chemical Sciences is outlined below.

• A total of 120 questions will be asked
• Part A and B- Each question carries 2 marks.
• Part C- Each question carries 4 marks
• ¼ marks will be deducted for each incorrect attempt
• 3 hours will be given to complete the paper

Particulars	Part A	Part B	Part C	Total
Total Questions	20	40	60	120
Max. number of questions to attempt	15	35	25	75
Per Question Marks	2	2	4	200

CSIR NET Exam Pattern for Earth Science

Candidates appearing for CSIR Earth Sciences should prioritize key study areas such as Geochemistry, Sedimentology, Earth’s interior, tectonic processes, atmospheric science, and solar system dynamics. A strategic approach to the exam involves understanding the weightage of each section, which is detailed in the section below.

• A total of 150 questions will be asked
• Part A and B- Each question carries 2 marks.
• Part C- Each question carries 4 marks
• 25% marks will be deducted for each incorrect attempt and 33% deducted in Part C.
• 3 hours will be given to complete the paper

Particulars	Part A	Part B	Part C	Total
Total Questions	20	50	80	150
Max. number of questions to attempt	15	35	25	75
Per Question Marks	2	2	4	200

CSIR NET Exam Pattern for Life Science

The CSIR NET Life Sciences exam pattern and marking scheme are essential tools for developing a winning study strategy. The syllabus covers vast areas including Cellular Organization, Molecular Interactions, Photosynthesis, Developmental Biology, System Physiology (Plant/Animal), and Inheritance Biology. Refer to the table below for a structured breakdown of the marking and question patterns.

• A total of 145 questions will be asked
• Part A and B- Each question carries 2 marks.
• Part C- Each question carries 4 marks
• 25% marks will be deducted in all parts for each incorrect attempt
• 3 hours will be given to complete the paper

Particulars	Part A	Part B	Part C	Total
Total Questions	20	50	70	145
Max. number of questions to attempt	15	35	25	75
Per Question Marks	2	2	4	200

CSIR NET Life Science Syllabus 2026 - Download & Check

CSIR NET Chemical Science Syllabus 2026 - Download & Check

CSIR NET Exam Pattern for Mathematical Science

Candidates selecting Mathematical Sciences must align their preparation with the current exam pattern and syllabus. Essential topics include Linear Algebra, Real and Complex Analysis, Calculus of Variations, Differential Equations, Topology, and Numerical Analysis. Understanding how these topics are weighted across the sections is vital for your exam strategy.

• A total of 120 questions will be asked
• Part A gives 2 marks for each question, Part B gives 3 marks for each question, and Part C gives 4.75 marks for each question.
• 25% marks will be deducted in Part A and B and no negative marking in Part C.
• 3 hours will be given to complete the paper

Particulars	Part A	Part B	Part C	Total
Total Questions	20	40	60	120
Max. number of questions to attempt	15	25	20	60
Per Question Marks	2	3	4.75	200

CISR NET Exam Pattern for Physical Science

The CSIR Physical Sciences exam pattern provides a roadmap for mastering core topics such as Classical Mechanics, Quantum Theory, Electromagnetic Theory, and Nuclear & Particle Physics. Review the table below to understand the scoring distribution and question structure, which are critical for effective revision.

• A total of 75 questions will be asked
• Part A gives 2 marks for each question, Part B gives 3.5 marks for each question, and Part C gives 5 marks for each question.
• 25% marks will be deducted in Part A, B and C
• 3 hours will be given to complete the paper

Particulars	Part A	Part B	Part C	Total
Total Questions	20	25	30	75
Max. number of questions to attempt	15	20	20	55
Per Question marks	2	3.5	5	200

CSIR NET Syllabus 2026 - Access Latest Subject Details