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OSSC CHSL Syllabus & Exam Pattern 2025: Download PDF
Last Updated on Jun 08, 2025
Download OSSC CHSL Notification 2024 complete information as PDFIMPORTANT LINKS
If you’re preparing for the OSSC CHSL Examination you must have a deep understanding of the OSSC CHSL Syllabus & Exam Pattern. OSSC CHSL Syllabus involves various subjects like textile chemical processing, yarn manufacture, fabric manufacture, textile testing, and fiber science. The below article will give you knowledge of the OSSC CHSL Syllabus for every subject.
- Preliminary examination, main written test, and certificate verification are the three stages of the OSSC CHSL Exam Pattern.
- There will be multiple Technical Papers for different posts/services based on the qualification requirements.
Continue reading the below article entirely to know about the detailed OSSC CHSL Syllabus & Exam Pattern.
OSSC CHSL Syllabus and Exam Pattern 2025
OSSC has released the official notification with the Syllabus and Exam Pattern. The detailed OSSC CHSL Prelims syllabus and the OSSC CHSL mains syllabus has been specified below.
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OSSC CHSL Syllabus 2025
As OSSC CHSL has three stages for the candidates to be selected for the posts, they can check the Preliminary and Main examination syllabus below.
OSSC CHSL Preliminary Exam Syllabus
Candidates can check the Preliminary Syllabus from the below-given table.
| Preliminary Exam Syllabus | |
| Subjects | Topics |
| Reasoning Ability |
|
| Data Interpretation |
|
| General Awareness |
|
| Computer & Internet Awareness |
|
OSSC CHSL Mains Examination Syllabus
Candidates should look at the below-given table to know about the OSSC CHSL Mains Syllabus in detail.
| Subjects | Topics |
| Yarn Manufacture | Objectives and Mechanism of Ginning, Carding, Drawing, Doubling. Drafting, Combing, and Compact Spinning Machineries used and their functions, maintenance of machinery, and Yarn defects with remedial measures. |
| Fabric Manufacture | Objectives of Warp & Weft Winding. Types, Features & Mechanism of different Winding Machines, Fabric Defects and remedial measures. Sizing, Parts of different looms, and their functions with working principle. Fabric Designs, Drafting, Lifting and Denting. |
| Textile Chemical Processing | Objectives of various pre-treatment like Singeing, De sizing, Scouring, Souring, Bleaching, Mercerising, and their Methodologies using different machineries. Classification of Dyestuffs. Dyeing & Printing. Dyeing Recipes, Working principles of Dyeing Machineries. Colour Fastness, Printing Pastes. Different Finishes like Calendaring, Heat Setting, Anti Crease, Water Proof, Flame-Retardant, Softening, Stiffening, Moth Proof, Optical Whitening, Antimicrobial. |
| Textile Testing | Factors influencing Testing of Fibre, Yarn, and Fabric. Fibre. Yarn and Fabric Quality. Principle of Testing. Air & Water Permeability, Tensile, Tearing, Bursting Strength, Evenness, Fibre Maturity, Impurities, Abrasion Resistance, and Pilling. Machineries used in Textile Testing and their functions. |
You can check the OSSC CHSL Eligibility Criteria here.
OSSC CHSL Exam Pattern 2025
Candidates should the detailed OSSC Exam Pattern from the table.
OSSC CHSL Prelims Exam Pattern
After reviewing the OSSC CHSL Syllabus, here we’ve mentioned the OSSC CHSL Exam Pattern for the candidate's ease so can they can able to understand the whole exam structure in detail. Check the Prelims exam pattern below.
| Stages of Examination | Type of Examination | No. of Paper & Marks | Total Marks | Remarks |
| Stage-I | Preliminary Examination | One Paper • Arithmetic- 10th standard • Data Interpretation (Chart, Graph, Table, Data Sufficiency etc.) - 10th standard • Logical Reasoning and Analytical Ability, General Mental Ability. • Current Events of National and International Importance. • Computer I Internet Awareness | 150 | The question will be of MCQ type. • There shall be a negative marking @ 0.25 marks for each wrong answer. • Approximately 5 times the number of vacancies category-wise and post-wise shall be shortlisted for the Main Written Examination. • The Commission at their discretion may fix minimum qualifying marks in Preliminary Examination in different categories for different Technical Posts/Services |
OSSC CHSL Mains Exam Pattern
OSSC CHSL contains two stages for the written examination i.e. Prelims and Mains, candidates must need to check the below-mentioned table in order to get the detailed OSSC CHSL Mains Exam Pattern.
| Stages of Examination | Type of Examination | No. of Paper & Marks | Total Marks | Remarks |
| Stage-II | Main Written Examination | Technical Paper- There shall be different Technical Papers for different posts/services as per the qualification prescribed for the post. Detail Syllabus (Regulation 1 of 2023) annexed in annexure 'C' | 200 | Candidates approximately 2(two) times the vacancies advertised in each category, in each post in order of merit based on the marks in the Written Examination shall be shortlisted for the verification of original documents. |
| Stage-III | Certificate Verification | - | - | The candidate who fails to attend the document verification, his/her name will not be considered for the post. |
OSSC CHSL Preparation Strategy
To prepare for the OSSC CHSL (Odisha Staff Selection Commission Combined Higher Secondary Level) exam, it is important to have a well-structured and comprehensive study plan. Here is a suggested preparation strategy.
- Create a Study timetable: Create a study timetable that fits your daily schedule and allows you to devote enough time to each subject, focusing more on your weakest topics.
- Collect Study Materials: Gather relevant study materials, such as textbooks, previous year's exam papers, and reference books. Ensure you have access to current study materials covering the whole syllabus.
- Enhance General Awareness: The General Awareness component of the OSSC CHSL exam is critical. Keep current with current events by reading newspapers and following news websites.
- Improve Your English Language Skills: English language skills are extremely important in the CHSL exam. Concentrate on your grammar, vocabulary, understanding, and writing abilities. Regularly read newspapers and English books, and practice English language exercises.
- Improve Quantitative Aptitude: For the quantitative aptitude section, solve mathematics questions on a regular basis.
Recommended Books to Cover OSSC CHSL Syllabus
Books are the best resource for the preparation of every examination, by following the below given OSSC CHSL Books Syllabus from the below table they can gain higher marks in the examination.
| Books | Author/Publication |
| How to Prepare for Data Interpretation | Arun Sharma |
| Fast Track Objective Arithmetic | Rajesh Verma |
| Objective Computer Awareness | Arihant Experts |
We hope this article could detail the complete OSSC CHSL Syllabus & Exam Pattern. Download the Testbook App for free now to get access to the latest updates, study resources, expert coaching, and mock tests.
Last updated on Jun 8, 2025
-> The OSSC CHSL Final Response Sheet has been released (Advt No. 4603/OSSC).
-> The OSSC CHSL 2024 Notification (Advt. No. IIE-66/2024-4603/OSSC) has been released for 324 vacancies of Soil Conservation Extension Workers.
-> Candidates had applied online from 27th November to 29th December 2024.
-> The recruitment is also going for 673 vacancies through Advt. No..IIE-24/2024- 1465 /OSSC.
-> The Odisha Staff Selection Commission conducts the Combined Higher Secondary Level Exam to recruit candidates for various 12th-level posts such as Homeopathic Assistant, Technical Assistant, Amin etc.
-> The selection process consists of a Preliminary Examination and a Main Examination, where successful candidates proceed to the certificate verification stage.
OSSC CHSL Syllabus and Exam Pattern 2025 FAQs
What is the syllabus for the OSSC CHSL exam?
The syllabus for the OSSC CHSL exam typically includes the following subjects: General English, General Awareness, General Intelligence, Quantitative Aptitude, and Basic Computer Skills.
What is the exam pattern for the OSSC CHSL?
The OSSC CHSL exam pattern is divided into three stages: Stage 1: Preliminary Exam (Objective type questions) Stage 2: Main Exam (Objective and Descriptive type questions) Stage 3:Certificate verification.
What is the OSSC CHSL exam negative marking scheme?
There will be a penalty (Negative marking) for wrong answers marked by the candidate in examinations consisting of Multiple Choice Questions. The Quantum of penalty/ negative marking will be 1/4 of the total mark for each wrong answer.
Is there an interview stage in the OSSC CHSL exam?
No, the OSSC CHSL exam does not usually include an interview stage. The selection is based on the performance in the preliminary and main exams.
Are there any physical tests involved in the OSSC CHSL exam?
Generally, there are no physical tests involved in the OSSC CHSL exam. The selection is based on the performance in the written exams only.
How can the candidates prepare for the OSSC CHSL?
They can prepare for the OSSC CHSL by creating a study plan, gathering study materials, etc. You can check the detailed strategies from the above-given article.
Can I choose the language of the exam for the OSSC CHSL?
The OSSC CHSL exam is usually conducted in English and Odia. Candidates can choose the language while filling out the application form.
How can I apply for the OSSC CHSL exam?
To apply for the OSSC CHSL exam, you need to visit the official website of the Odisha Staff Selection Commission when the application window is open. The detailed application process and requirements will be mentioned in the official notification.
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