OSSC CHSL Syllabus 2025, Check Prelims And Mains Exam Pattern Details

The Odisha Staff Selection Commission is going to conduct the OSSC CHSL Exam 2025 on 16 February 2025 for the candidates who have applied for the SCEW posts. All candidates who appeared in this exam must go through the OSSC CHSL Syllabus 2025. This Syllabus and Exam Pattern are so important for the candidates who are preparing for this exam, through this syllabus they can so much strong their preparation to crack this exam. To get the complete details about the OSSC CHSL Syllabus, candidates can read the given article.

OSSC CHSL Syllabus And Exam Pattern 2025

The OSSC CHSL Syllabus 2025 for both Prelims and Mains is provided below. One reason is to provide detailed syllabus is that candidates can deeply understand the topics and exam patterns that are mostly asked in the exam. So, Candidates are encouraged to review the syllabus and begin their preparation for the OSSC CHSL Examination. By adhering to this syllabus and utilizing preparation tips, you can efficiently prepare for both exams.

OSSC CHSL Syllabus 2025 for Prelims Exam Topics Wise

The subject-wise syllabus for Prelims has been given in detail below. Candidates are advised to stick to the topics mentioned below to avoid unnecessary efforts.

Arithmetic

• Number System
• Simplification
• Linear equations
• Quadratic equations
• Ration and Proportion
• Percentage
• Average
• Time and Work
• Speed, Time, and Distance
• Simple and Compound Interest
• Profit and Loss

Data Interpretation

• Tabular Data
• Bar Graphs
• Pie Charts
• Line Graphs
• Mixed Graphs
• Caselets
• Data Sufficiency

Logical Reasoning and Analytical Ability

• Analogies
• Classification
• Series Completion
• Coding-Decoding
• Blood Relations
• Syllogism
• Logical Venn Diagrams
• Seating Arrangements
• Direction Sense Test
• Puzzles
• Data Sufficiency
• Statement and Conclusions
• Non-Verbal Reasoning
• Analytical Reasoning

Current Events of National and International Importance

• Major events and developments within India
• Government policies, schemes, and initiatives
• Economic developments and budget announcements
• Important national awards and honours
• Major global events and developments
• International treaties, agreements, and summits
• International organizations (e.g., UN, WHO, IMF) and their roles
• Economic indicators (GDP, inflation, unemployment rates)
• Recent scientific discoveries and inventions
• Major sports events
• Environment and Ecology
• Books and Authors
• Important Days and Events

OSSC CHSL Syllabus for Computer/Internet Awareness

• Fundamentals of Computers
• Hardware and Software
• Operating Systems
• Introduction to the internet
• Web browsers
• Networking Concepts
• MS Office Suite
• Digital Literacy

OSSC CHSL Syllabus 2025 for Mains Exam

The OSSC CHSL Mains Exam is of 200 Marks and the duration of the exam is 2 hours. The syllabus for the Mains Exam is based on the posts selected by the candidates. Here, we have provided the post-wise syllabus for the Mains Exam below:

Soil Conservation Extension Worker Post

1. Mathematics – Arithmetic, Algebra, Geometry, Mensuration, Trigonometry and Statistics
2. Physics, Chemistry, Biology
3. Field Crops- cereals, pulses, oilseeds, Fibre crops, Commercial crops Fruits, Vegetables, Plantation crops, Floriculture Pasture and fodder cultivation
4. Major soil types of Odisha
5. Manures and Fertilizers
6. Farm implements & uses
7. Agro-climatic zones of Odisha
8. Brief knowledge about the hydrology cycle
9. Soil and Water Conservation

Technical Assistant Post

1. Fabric Structure & Cloth Analysis
2. Weaving Mechanism
3. Textile Chemistry
4. Textiles Calculation
5. Tie & Dye (IKAT Technology)
6. Made-up Garments (Theory)
7. Handloom Economics & Management
8. Computer Aided Designs

Weaving Supervisor Post

1. Fibre Science
2. Yarn Manufacture
3. Fabric Manufacture
4. Textile Chemical Processing
5. Textile Testing

Amin Post

1. Concepts of Geometry & Mensuration
2. Interpretation of Maps

OSSC CHSL Selection Process 2025

The selection of the candidates for the OSSC Combined Higher Secondary level Post will be done through the following stages:

1. Prelims: The First stage is the Preliminary Exam which is of 150 Marks and the questions shall be objective type. The exam will be conducted offline and those who pass the exam will be called for the Mains Exam.
2. Mains Exam: Those who qualify for the Prelims Exam, will be called for the Mains Exam which is of 200 Marks.
3. Certificate Verification: After Mains, the selected candidates will be called for Document Verification.

OSSC CHSL Exam Pattern 2025

The OSSC CHSL Exam Pattern 2025 will help the candidates to know about the phases of the examination, the number of questions, and the maximum marks. The table given below has the details of the OSSC CHSL Exam Pattern 2025.