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CSIR NET PAPER-I

The CSIR NET exam is an important test for students in science streams like Life Sciences, Chemistry, Physics, Earth Sciences, and Mathematics. To prepare well for this exam, students must clearly understand the CSIR NET Marking Scheme. This scheme tells how marks are awarded for correct answers, how negative marking is applied, and how total scores are calculated.

The marking scheme also explains the weightage of each section, the variation across subjects, and the rules of multiple-choice questions. With this knowledge, students can avoid mistakes, manage their time, and score better.

The CSIR NET exam is based on multiple-choice questions (MCQs). Each paper is divided into three parts: Part A, Part B, and Part C. All subjects, like Life Sciences, Physical Sciences, Chemical Sciences, Earth Sciences, and Mathematical Sciences, follow this three-part pattern.

Penalty for Wrong Answer in Different Parts

In CSIR NET, wrong answers can reduce marks. This is called negative marking. The penalty for wrong answer in different parts is clearly explained in the official marking scheme. The negative marking percentage is not the same everywhere. While most subjects cut 25% marks for wrong answers, Mathematical Sciences is slightly different. In Mathematics there is 25% negative marking in Section-A and B but in Section-C , no negative marking. 

CSIR NET PAPER-I | 2025
Registration Date
25 Sep 2025 - 24 Oct 2025
Exam Date
18 Dec 2025 - 18 Dec 2025
Salary
Rs.57000.00 - Rs.348000.00
Vacancies
21295
Eligibility
Eligibility Criteria for CSIR NET JRF To apply, you must fulfill the following educational qualification and age criteria for the CSIR NET JRF:- ☑ Education Qualification: A candidate with an MSc or equivalent degree or graduate of integrated BS-MS/BS-4
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CSIR NET PAPER-I
CSIR NET PAPER-I

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CSIR NET JRF Exam Pattern

Each subject of the CSIR NET exam – comprises of three parts in which a candidate has to attend only a certain number of questions as prescribed by NTA.

b>Part A: This section is common in all the sections and is designed to assess cognitive abilities and quantitative analysis. Questions are based on topics such as logical reasoning, graphical analysis, analytical and numerical ability, quantitative comparisons, series formation and puzzles among others. The candidates are required to attempt 15 questions of two marks each.

Part B: In this section, topics from your chosen subject are covered and you have to attempt around 20-35 questions from this section.

Part C: This part has a higher difficulty level where scientific concepts and their applications are covered.

CSIR NET JRF 2025 Admit Card

The admit card or hall ticket is generally released 7–15 days prior to the examination. From exam date, venue, time to shift, and exam day guidelines, everything is available on the admit card. Please note that both JRF and LS candidates will have the same admit card.

Career After CSIR NET

If you have qualified for CSIR NET, there will be many career options available, such as:


  • PhD from top Indian Institutes

  • PhD from a reputed international institute (depending on their qualification criteria)

  • Research work in the private sector

  • Research work or get associated with PSUs