The SSC CHSL (Combined Higher Secondary Level) Syllabus 2025 for the Lower Division Clerk (LDC) and other posts like Junior Secretariat Assistant (JSA), Data Entry Operator (DEO), etc., is outlined by the Staff Selection Commission (SSC) for the Tier 1 and Tier 2 examinations. Below is a detailed breakdown of the syllabus and exam pattern based on the latest available information. Note that the syllabus is common for all SSC CHSL posts, including LDC, unless specified otherwise.
SSC CHSL 2025 Exam Pattern
The SSC CHSL 2025 examination consists of two tiers:
- Tier 1: Computer-Based Test (CBT) – Objective Multiple-Choice Questions
- Tier 2: Computer-Based Test with Objective Questions + Skill Test/Typing Test
Tier 1 Exam Pattern
- Mode: Online (Computer-Based Test)
- Duration: 60 minutes (80 minutes for PwD candidates)
- Total Questions: 100
- Total Marks: 200 (2 marks per question)
- Negative Marking: 0.50 marks deducted for each incorrect answer
- Sections (25 questions each, 50 marks per section):
- General Intelligence (Reasoning)
- General Awareness
- Quantitative Aptitude
- English Language
Tier 2 Exam Pattern
- Mode: Computer-Based Test + Skill Test/Typing Test
- Structure: Conducted in two sessions on the same day:
- Session 1:
- Section 1: Module-I (Mathematical Abilities), Module-II (Reasoning and General Intelligence)
- Section 2: Module-I (English Language and Comprehension), Module-II (General Awareness)
- Section 3: Module-I (Computer Knowledge Test)
- Session 2: Module-II (Skill Test/Typing Test)
- Question Type: Objective Multiple-Choice Questions (except for Skill Test/Typing Test)
- Negative Marking: 1 mark deducted for each wrong answer in Section 1, Section 2, and Module-I of Section 3
- Typing Test for LDC/JSA:
- Qualifying in nature
- Candidates choose either Hindi or English
- English: 35 words per minute (10,500 key depressions per hour)
- Hindi: 30 words per minute (9,000 key depressions per hour)
- Duration: 10 minutes
SSC CHSL Syllabus 2025 for Tier 1
The Tier 1 syllabus covers four subjects. Below is a detailed topic-wise breakdown:
1. General Intelligence (Reasoning)
This section tests logical and analytical thinking, covering both verbal and non-verbal reasoning:
- Verbal Reasoning:
- Analogies
- Classification
- Series (Number, Alphabet, Mixed)
- Coding-Decoding
- Blood Relations
- Direction and Distance
- Syllogism
- Order and Ranking
- Puzzles (Seating Arrangement, Circular Arrangement)
- Logical Venn Diagrams
- Statement and Conclusion
- Statement and Assumption
- Non-Verbal Reasoning:
- Figure Series
- Embedded Figures
- Mirror and Water Images
- Paper Folding and Cutting
- Spatial Visualization
- Pattern Completion
- Others: Clocks, Calendars, Data Sufficiency
Note: General Intelligence is considered a high-scoring section due to its predictable nature and emphasis on logical reasoning.
2. General Awareness
This section evaluates knowledge of current events and general knowledge:
- Current Affairs: National and International events, Government Schemes, Sports, Awards, and Honors
- Static General Knowledge:
- History: Ancient, Medieval, Modern India
- Geography: Physical, Political, World Geography
- Indian Polity: Constitution, Governance, Panchayati Raj
- Economics: Basic concepts, Budget, Economic Survey
- General Science: Physics, Chemistry, Biology (up to 12th standard)
- Miscellaneous: Books and Authors, Important Dates, Culture, Environment
- Tips: Stay updated with daily newspapers and monthly current affairs magazines.
3. Quantitative Aptitude
This section tests mathematical and analytical skills:
- Arithmetic:
- Number Systems
- Simplification
- Percentage
- Ratio and Proportion
- Average
- Profit and Loss
- Simple and Compound Interest
- Time and Work
- Time, Speed, and Distance
- Problems on Ages
- Algebra:
- Linear Equations
- Quadratic Equations
- Polynomials
- Geometry:
- Triangles, Circles, Polygons
- Mensuration (2D and 3D figures)
- Trigonometry:
- Trigonometric Ratios
- Heights and Distances
- Data Interpretation:
- Bar Graphs, Pie Charts, Tables
- Others: Sequence and Series, Probability, Permutations and Combinations
- Tips: Focus on conceptual clarity and practice with mock tests.
4. English Language
This section tests grammar, vocabulary, and comprehension skills:
- Grammar:
- Spot the Error
- Sentence Improvement
- Active/Passive Voice
- Direct/Indirect Narration
- Subject-Verb Agreement
- Tenses, Articles, Prepositions
- Vocabulary:
- Synonyms and Antonyms
- One-Word Substitution
- Idioms and Phrases
- Spelling Correction
- Comprehension:
- Reading Comprehension
- Cloze Passage
- Sentence Rearrangement
- Tips: Read newspapers and practice grammar exercises.
SSC CHSL Syllabus 2025 for Tier 2
The Tier 2 syllabus is more comprehensive and includes both objective questions and a practical skill test.
Session 1
- Section 1:
- Module-I: Mathematical Abilities (similar to Quantitative Aptitude in Tier 1 but more advanced):
- Number Systems, Percentages, Ratio and Proportion
- Algebra, Geometry, Trigonometry, Mensuration
- Data Interpretation, Statistics
- Module-II: Reasoning and General Intelligence (similar to Tier 1 General Intelligence):
- Coding-Decoding, Syllogism, Analogies
- Puzzles, Blood Relations, Series
- Non-Verbal Reasoning (Figures, Patterns)
- Section 2:
- Module-I: English Language and Comprehension:
- Advanced Grammar (Error Detection, Sentence Correction)
- Vocabulary (Synonyms, Antonyms, Idioms)
- Reading Comprehension (longer passages)
- Cloze Test, Para Jumbles
- Module-II: General Awareness:
- Current Affairs (more in-depth)
- Static GK (History, Geography, Polity, Economics, Science)
- Government Schemes, International Organizations
- Section 3:
- Module-I: Computer Knowledge Test (qualifying in nature):
- Basics of Computer Hardware and Software
- MS Office (Word, Excel, PowerPoint)
- Internet and Email
- Computer Networks
- Operating Systems
- Cyber Security
- Keyboard Shortcuts
- Marks: 135 (45 questions, 3 marks each)
- Duration: 60 minutes
- Negative Marking: 1 mark per wrong answer
Session 2
- Module-II: Skill Test/Typing Test (qualifying in nature):
- For LDC/JSA:
- Typing Test: 10 minutes
- English: 35 wpm (10,500 key depressions/hour)
- Hindi: 30 wpm (9,000 key depressions/hour)
- For DEO:
- Skill Test: 15 minutes
- Data Entry Speed: 8,000 key depressions/hour (for most departments)
- For DEO in C&AG, Ministry of Consumer Affairs, etc.: 15,000 key depressions/hour
- Errors are calculated up to two decimal places.
Key Points for SSC CHSL 2025 Preparation
- Syllabus Source: The official syllabus is available in the SSC CHSL 2025 notification on the SSC website (ssc.gov.in). Candidates can download the syllabus PDF for detailed topics.
- Eligibility for LDC: Candidates must have passed 12th Standard or equivalent from a recognized board. For specific DEO posts (e.g., in C&AG, Ministry of Consumer Affairs), a 12th pass in the Science stream with Mathematics is required.
- Exam Dates: Tier 1 is scheduled for September 8–18, 2025. Tier 2 dates will be announced later.
- Preparation Tips:
- Create a study plan based on the syllabus and prioritize high-weightage topics.
- Practice previous years’ question papers and mock tests to understand the exam pattern.
- Focus on time management, especially for Tier 1 (60 minutes for 100 questions).
- Enhance typing speed for the LDC Typing Test (aim for 35 wpm in English or 30 wpm in Hindi).
- Stay updated on current affairs for General Awareness.
- Study Resources:
- Refer to standard books like R.S. Aggarwal (Quantitative Aptitude, Verghese and Arihant (Reasoning).
- Use online platforms like Oliveboard or PracticeMock for mock tests.
- Download previous years’ question papers from ssc.gov.in.
Important Notes
- The syllabus for LDC is the same as for other SSC CHSL posts in Tier 1 and most of Tier 2, except for the Typing Test specific to LDC/JSA.
- The Typing Test is crucial for LDC selection and requires consistent practice to meet the speed requirements.
- Candidates should regularly check the official SSC website (ssc.gov.in) for updates on the syllabus or exam pattern.
Disclaimer: The information is based on the latest available sources as of June 27, 2025. For the most accurate and updated syllabus, refer to the official SSC CHSL 2025 notification on ssc.gov.in.
If you need a detailed topic-wise weightage or specific study resources, let me know!
