SSC CHSL Syllabus 2025 & Detailed Exam Pattern

The Staff Selection Commission - Combined Higher Secondary Level (SSC CHSL) is a prominent national-level exam for candidates who have completed their 12th standard. It serves as a gateway to recruit for posts like Lower Divisional Clerk (LDC), Junior Secretariat Assistant (JSA), and Data Entry Operator (DEO) in various central government departments. To excel in this competitive exam, a thorough understanding of the syllabus and the latest exam pattern is the first and most crucial step.

This guide provides a comprehensive breakdown of the SSC CHSL Tier 1 and Tier 2 syllabus and the detailed exam structure to help you create a winning preparation strategy.

Also explore: SSC CGL Syllabus SSC GD Syllabus SSC CPO Exam

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SSC CHSL 2025: Exam Overview & Pattern

The SSC CHSL selection process is conducted in two stages (Tiers). The final merit list is prepared based on the marks obtained in Tier 2.

Tier 1 Exam Pattern (Qualifying)

Subject	No. of Questions	Maximum Marks
General Intelligence	25	50
General Awareness	25	50
Quantitative Aptitude	25	50
English Language	25	50
Total	100	200

Marking Scheme for Tier 1:

Correct Answer: +2 marks.
Negative Marking: -0.50 marks for each incorrect answer.
Total Duration: 60 minutes.

Tier 2 Exam Pattern (Merit Deciding)

Tier 2 is the final and most crucial stage. It is divided into sessions and sections, with Paper-I being compulsory.

Session	Section	Module / Subject	No. of Questions	Max Marks	Duration
Session-I	Section-I	Module-I: Mathematical Abilities Module-II: Reasoning & General Intelligence	30 + 30 = 60	180	1 Hour
	Section-II	Module-I: English Language & Comprehension Module-II: General Awareness	40 + 20 = 60	180	1 Hour
	Section-III	Module-I: Computer Knowledge (Qualifying)	15	45	15 Minutes
Session-II	Section-III	Module-II: Skill/Typing Test (Qualifying)	One Task	-	10/15 Minutes

Marking Scheme for Tier 2:

Section I, II & Module I of Section III: +3 marks for each correct answer. There is a negative marking of -1 mark for each incorrect answer.
Skill Test/Typing Test: This is qualifying in nature, and marks are not added to the final merit list.

Other SSC Syllabi: SSC GD Syllabus SSC CGL Syllabus SSC JE Syllabus

SSC CHSL Syllabus 2025: In-Depth Topic Breakdown

Success in SSC CHSL depends on a deep understanding of every topic. Here is a highly detailed, chapter-wise breakdown of the syllabus to guide your preparation.

Detailed Topic-wise Syllabus

Subject	In-Depth Topics & Chapters
General Intelligence & Reasoning	This section tests your logical and analytical skills. It's divided into verbal and non-verbal reasoning. Verbal Reasoning: Analogy, Classification, Series (Number, Alphabetical) Coding-Decoding, Blood Relations, Direction Sense Test Syllogism, Logical Venn Diagrams, Seating Arrangement Non-Verbal Reasoning: Figure Series & Analogy, Paper Folding, Cutting & Punching Mirror and Water Images, Embedded/Hidden Figures Completion of Figures, Cubes and Dice
General Awareness	This is a vast section. Focus on the last 6-8 months for Current Affairs. History: Ancient, Medieval, and Modern India (with a focus on the freedom struggle). Geography: Indian Geography (Rivers, Mountains, Climate, Soils), and basics of World Geography. Polity & Constitution: Making of the Constitution, Fundamental Rights & Duties, Parliament, Judiciary, and Important Articles. Economics: Basics of the Indian Economy, Budget terminology, and major Government Schemes. General Science (10th-12th Level): Physics (basic laws), Chemistry (everyday science), and Biology (human body systems, vitamins, diseases). Static GK & Current Affairs: Awards, Sports, Books & Authors, Important Days, National/International Events.
Quantitative Aptitude	This section is a mix of basic arithmetic and advanced mathematics. Arithmetic: Percentage, Ratio and Proportion, Profit, Loss, and Discount Simple Interest (SI) & Compound Interest (CI), Mixture and Alligation Average, Time, Speed, and Distance, Time and Work Advanced Mathematics: Algebra: Basic Algebraic Identities, Elementary Surds, Linear Equations. Geometry: Familiarity with elementary geometric figures and facts: Triangles, Circles (Chords, Tangents), etc. Mensuration: Area & Perimeter (Triangle, Quadrilaterals, Circle), Volume & Surface Area (Cylinder, Cone, Sphere). Trigonometry: Ratios, Complementary angles, Heights and Distances, Standard Identities. Data Interpretation: Bar Graphs, Pie Charts, and Tables.
English Language & Comprehension	This section tests your command over the English language through three main areas. Vocabulary: Synonyms & Antonyms, One Word Substitution Idioms & Phrases, Spelling Correction Grammar: Spot the Error, Fill in the Blanks (Articles, Prepositions) Sentence Improvement, Active/Passive Voice, Direct/Indirect Speech Comprehension Skills: Reading Comprehension Passages, Para Jumbles (Sentence Rearrangement) Cloze Test
Computer Proficiency (Tier 2)	This is a qualifying section in Tier 2, focused on basic computer literacy. Computer Basics: Organisation of a computer, CPU, Input/Output devices, memory, keyboard shortcuts. Software: In-depth knowledge of MS Office including MS Word, MS Excel (formulas, functions), and MS PowerPoint. Internet & E-mail: Working with the Internet, Browsers, Downloading & Uploading, Basics of E-mail. Networking & Security: Basics of Networking (LAN, WAN), Cyber Security concepts (Viruses, Malware, Hacking).

Related Resources: SSC CPO Exam SSC JE Exam

Download SSC CHSL Syllabus 2025 PDF

(Candidates are advised to download the official syllabus PDF for complete details.)

SSC CHSL Syllabus 2025: FAQs

Q1: Is the SSC CHSL Tier 1 exam qualifying in nature?

Ans: Yes, as per the current pattern, the Tier 1 exam is only qualifying. Its marks are not added to the final merit list, but you must clear the minimum cut-off to be eligible for Tier 2.

Q2: Is the typing test mandatory for all posts in SSC CHSL?

Ans: Yes, the Skill Test/Typing Test conducted in Tier 2 is mandatory for all posts (LDC/JSA and DEO) and is qualifying in nature. Candidates must pass this test to be considered for final selection.

Q3: What is the negative marking scheme in SSC CHSL Tier 2?

Ans: In Tier 2, there is a negative marking of 1 mark for each incorrect answer in Section I, Section II, and Module-I of Section III (Computer Knowledge Test).