SSC Combined Higher Secondary Level (CHSL) Examination recruits candidates for Lower Division Clerk (LDC), Junior Secretariat Assistant (JSA), Postal/Sorting Assistant (PA/SA), and Data Entry Operator (DEO) positions across central government departments. It is open to 10+2 pass candidates.

SSC CHSL

Official 2025 syllabus extracted from https://ssc.gov.in/for-candidates/syllabus

Tier-I: General Intelligence and Reasoning

Semantic and figural analogy

Semantic and figural classification

Semantic, number and figural series

Coding and decoding

Problem solving

Venn diagrams

Drawing inferences

Punched hole / pattern folding

Figural pattern-folding and completion

Space orientation and visualization

Word building

Numerical and symbolic operations

Address matching

Date and city matching

Embedded figures

Critical thinking

Emotional and social intelligence

General Intelligence and Reasoning

Tier-I: General Awareness

History

Geography

Economic scene

General polity

Indian constitution

Scientific research

Current events

General Awareness

Tier-I: Quantitative Aptitude

Computation of whole numbers, decimals, fractions

Relationship between numbers

Percentage

Ratio and proportion

Square roots

Averages

Interest (simple and compound)

Profit and loss

Discount

Mixture and alligation

Time and distance

Time and work

Basic algebraic identities

Graphs of linear equations

Triangle and its centres

Congruence and similarity

Circle, chords, tangents

Mensuration (2D and 3D)

Trigonometric ratios

Heights and distances

Histogram, frequency polygon, bar/pie chart

Quantitative Aptitude

Tier-I: English Language

Spot the error

Fill in the blanks

Synonyms / antonyms

Spellings / detecting misspelt words

Idioms and phrases

One word substitution

Improvement of sentences

Active / passive voice

Direct / indirect narration

Shuffling of sentence parts

Cloze passage

Comprehension passage

English Language

Tier-II: Module-I (Mathematical Abilities)

Number systems

Fundamental arithmetic operations

Algebra

Geometry

Mensuration

Trigonometry

Statistics and probability

Mathematical Abilities

Tier-II: Module-II (Reasoning and General Intelligence)

Verbal and non-verbal reasoning

Analogy and classification

Series

Coding-decoding

Pattern folding

Reasoning and General Intelligence

Tier-II: English Language and Comprehension

Vocabulary, grammar

Sentence structure

Comprehension

Phrase replacement

English Language and Comprehension

Tier-II: General Awareness

India: history, culture, geography

General policy

Tier-II: Computer Knowledge

Computer basics

MS Office basics

Internet and email

Networking and cyber security basics

Computer Knowledge

Tier-II: Skill Test / Typing Test

Data Entry Speed Test (DEST) for posts requiring it

Typing test (English at 35 wpm / Hindi at 30 wpm)

Skill / Typing

SSC CHSL Syllabus 2025, 2026 and more: Subjects, Topics, and What to Study