Below are the income tax officer syllabus and pattern:-

Income Tax Syllabus – Reasoning

• Logical Sequence of Words
• Visual memory
• Problem Solving
• Figure Classification
• Alphabet Series
• Analysis
• Judgment
• Decision making
• Non-Verbal Series
• Number Ranking
• Number Series
• Discriminating observation
• Arithmetical Computation
• Analogy
• Coding-Decoding
• Relationship Concepts
• Verbal and Figure Classification
• Arithmetical Number Series
• Arithmetical Reasoning etc

Income Tax Department Syllabus 2020 – Numerical Aptitude

• Number System
• Simplification
• Percentages
• Relationship between Numbers
• Decimal & Fractions
• Profit and Loss
• Discounts
• Fundamental arithmetical operations
• Ratio and Time
• Simple & Compound Interest
• Averages
• Computation of Whole Numbers
• HCF & LCM
• Use of Tables and Graphs
• Mensuration
• Time and Work
• Time and Distance
• Data Interpretation etc

Income Tax Exam Syllabus 2020 – English

• Verb
• Adverb
• Articles
• Grammar
• Subject-Verb Agreement
• Tenses
• Fill in the Blanks
• Error Correction
• Comprehension
• Sentence Rearrangement
• Vocabulary
• Synonyms
• Unseen Passages
• Idioms & Phrases
• Antonyms

Income Tax Dept Tax Assistant Syllabus 2020 – General Awareness

• Indian Constitution
• Books
• History
• Culture
• Abbreviations
• Important Days
• Current Affairs – National & International.
• Current events
• Geography
• Economic Scene
• Sports and Games
• General Politics
• Books and Authors
• Awards and Honors
• Economic Scene
• Science – Inventions & Discoveries
• Important Financial & Economic News