The SSC CHSL (Staff Selection Commission Combined Higher Secondary Level) Exam is one of the most sought-after government exams for candidates who have completed their 10+2 education. Conducted annually by the SSC, this exam opens doors to prestigious positions such as Lower Division Clerk (LDC), Junior Secretariat Assistant (JSA), Postal Assistant (PA), Sorting Assistant (SA), and Data Entry Operator (DEO) in various government ministries and departments.
As the SSC CHSL 2025 notification is expected soon, aspirants should gear up with a clear understanding of the latest subject-wise syllabus, exam pattern, and topic-wise weightage. This blog serves as your one-stop destination for a complete SSC CHSL syllabus 2025 breakdown, designed in the simplest and most understandable English, with full SEO optimization.
SSC CHSL 2025 Exam Highlights
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SSC CHSL 2025 Selection Process
The SSC CHSL exam 2025 selection will be conducted in three main stages:
- Tier I: Computer Based Examination (CBE)
- Tier II: Descriptive + Skill Test/Typing Test
- Document Verification
Let’s dive deeper into the subject-wise syllabus and topics for each tier.
SSC CHSL Tier I Syllabus 2025: Subject-Wise Breakdown
Tier I is a multiple-choice online test consisting of four major sections:
1. General Intelligence & Reasoning
This section tests logical ability and pattern recognition skills. Important topics include:
- Analogy
- Classification
- Series (Number, Alphabet)
- Coding-Decoding
- Puzzle and Matrix
- Direction Sense Test
- Blood Relations
- Venn Diagrams
- Logical Reasoning
- Statement & Conclusion
Tip: Focus on puzzles and series-based questions as they form the bulk of the section.
2. Quantitative Aptitude
This section checks mathematical problem-solving and numerical abilities.
- Simplification & Approximation
- Number System
- Percentages
- Ratio and Proportion
- Profit and Loss
- Time & Work
- Time, Speed & Distance
- Simple & Compound Interest
- Algebra
- Geometry and Mensuration
- Data Interpretation (Pie charts, Bar Graphs)
Tip: Practice geometry and DI thoroughly – these often have high weightage.
3. English Language
It evaluates your vocabulary, grammar, and comprehension.
- Synonyms & Antonyms
- Spotting Errors
- Cloze Test
- Reading Comprehension
- Sentence Correction
- Fill in the Blanks
- Para Jumbles
- Active-Passive Voice
- Direct-Indirect Speech
Tip: Master grammar rules and read English newspapers regularly to improve comprehension and vocabulary.
4. General Awareness
This section tests current affairs and general knowledge.
- Static GK (Indian History, Geography, Polity)
- Current Affairs (Last 6–8 months)
- Important Days
- Books & Authors
- Awards & Honours
- Indian Economy
- General Science (Basic Biology, Physics, Chemistry)
Tip: Regularly read current affairs and monthly GK capsules to stay updated.
SSC CHSL Tier 1 Exam Pattern 2025
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Note: Negative Marking: 0.50 for each wrong answer.
SSC CHSL Tier II Syllabus 2025
Tier II includes three modules spread across two sessions on the same day.
Session I: Section I & II
Section I: Mathematical Abilities
- Number System
- Algebra
- Geometry
- Trigonometry (Basic)
- Data Interpretation
- SI & CI
- Profit, Loss & Discount
Section II: Reasoning and General Intelligence
- Verbal & Non-verbal Reasoning
- Logical Venn Diagrams
- Coding-Decoding
- Embedded Figures
- Statement-Conclusion
Session I: Section III – English Language & Comprehension
- Vocabulary (Synonyms, Antonyms)
- Grammar (Tenses, Prepositions)
- Comprehension
- Error Spotting
- Para jumbles
Session II: Typing/Skill Test (Module II)
- Typing Test (For LDC/JSA/PA/SA): 35 wpm (English) / 30 wpm (Hindi)
- Skill Test (For DEO): 8,000 key depressions per hour on computer
SSC CHSL 2025 Tier 2 Detailed Syllabus
The Staff Selection Commission (SSC) has updated the SSC CHSL Tier 2 Exam Pattern for 2025. The exam is now structured into three key sections, each divided into two modules:
1. Module-I: Mathematical Abilities
- Number Systems, Fractions & Decimals
- Ratios, Proportion, Percentages
- Speed, Time and Distance
- Time and Work
- Mensuration (2D & 3D)
- Geometry and Algebra
- Trigonometry
- Data Interpretation (Graphs and Charts)
- Averages and Probability
2. Module-II: Reasoning and General Intelligence
- Classification, Analogy
- Logical Sequence, Directions
- Verbal & Non-Verbal Reasoning
- Visual Memory, Coding-Decoding
- Problem Solving, Space Orientation
- Venn Diagrams
- Blood Relations
- Embedded Figures
- Matrix-based Reasoning
3. Module-I: English Language & Comprehension
- Reading Comprehension
- Fill in the Blanks
- Active & Passive Voice
- Idioms and Phrases
- Sentence Improvement
- Spotting the Error
- Synonyms and Antonyms
- Spelling and Vocabulary
4. Module-II: General Awareness
- Indian Economy and Budget
- History and Freedom Struggle
- Indian Constitution
- Science and Technology
- Cultural and National Heritage
- Books, Authors, Awards
- Environmental Issues
- Current National & International Events
5. Module-I of Section III: Computer Knowledge
- Basics of Computers (CPU, I/O Devices)
- Windows and MS Office (Word, Excel, PowerPoint)
- Internet, Email Usage
- Cyber Security and Threats
- Networking and Cloud Storage
SSC CHSL Skill Test (Tier 2)
The Skill Test is mandatory but qualifying in nature. It evaluates typing speed and data entry skills.
For DEO/DEO Grade ‘A’ in Central Government Departments:
Data Entry Speed: 15,000 key depressions per hour
Time Duration: 15 minutes
Passage with approx: 3700–4000 key depressions
Typing Test for LDC/JSA:
Typing Speed: 35 w.p.m. in English or 30 w.p.m. in Hindi
Duration: 10 minutes
SSC CHSL Tier 2 Exam Structure
Tier 2 exam will be held in two sessions on the same day:
- Session I: Contains Section I, Section II, and Module I of Section III.
- Session II: Includes Module II of Section III (Skill/Typing Test).
All sections (with the exception of Module II of Section III) will consist of Objective Type and Multiple Choice Questions. All questions apart from the English Language module will be provided in English as well as Hindi.
SSC CHSL Minimum Qualifying Marks (Tier 1 & 2)
Candidates must secure minimum qualifying marks in Tier I, Section I, Section II, and Module I of Section III in Tier II. Here’s the category-wise requirement:
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Why You Should Start Preparing Early for SSC CHSL 2025
Huge Competition: Lakhs of aspirants apply each year.
Lengthy Syllabus: Tier I & Tier II both require daily practice.
Time-Bound Preparation: Early start = more time for mock tests & revisions.
Career Stability: Government job with regular pay, job security, and timely promotions.
Preparation Tips for SSC CHSL 2025
- Begin with proper knowledge of the complete syllabus.
- Prepare a schedule with separate hours for each subject.
- Practice previous year question papers and mock tests.
- Practice speed and accuracy, particularly for quantitative and reasoning sections.
- Stay current with daily current affairs and general knowledge.
In Summary
To crack SSC CHSL 2025, knowing the complete syllabus and exam pattern is the first and most crucial step. The SSC CHSL is highly competitive, and structured preparation is the key to success. Whether you're focusing on Tier 1 basics or Tier 2 advanced modules, ensure your study plan is syllabus-aligned, and consistent.
But to crack the exam, it’s crucial to be well-versed with the complete SSC CHSL syllabus 2025 and begin your preparation with the right strategy, study materials, and consistency. Stay consistent, practice regularly, and aim for conceptual clarity. All the best for your SSC CHSL 2025 journey!
