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IB ACIO Syllabus 2025 and Exam Pattern Download PDF

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Update typeSyllabus
Recruiting authorityIntelligence Bureau (IB)
Last successful check5 Nov 2026
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IB ACIO Syllabus 2025 Overview

  • The Intelligence Bureau (IB) has published the official syllabus and exam pattern for the ACIO recruitment exam. To ensure a well-structured study plan, candidates aiming for the IB ACIO exam should thoroughly review both sections of the syllabus. Understanding the detailed syllabus and exam structure is essential for effective preparation.

IB ACIO Exam Pattern

Exam NameIB ACIO Grade-II/ Executive Examination 2025
Organization NameIntelligence Bureau (IB)
Exam Conducting NameMinistry of Home Affairs (MHA)
Number of Vacancies995
Selection ProcessTier 1 (Phase-1)- 100 Objective Type Questions Tier 2 (Phase-2)- Descriptive Type Interview (Phase-3)
No.of QuestionsTier 1 - Objective Type Tier 2 - Descriptive Type
Duration1 Hour
Total MarksTier 1 - 100 marks Tier 2 - 50 marks
Negative Marking¼ Mark
Official Websitemha.gov.in

IB ACIO Syllabus

  • The syllabus is an important part of your exam preparation. It lists all the topics you need to study, helping you focus on what’s important. To do well in the IB ACIO exam 2025, make sure you understand the syllabus fully. It covers both general subjects and specific topics related to the post. Use the syllabus to guide your studies and ensure you're covering everything needed for the exam.

IB ACIO Syllabus

Name of the SubjectSyllabus
ReasoningSeating Arrangement, Syllogism, Blood Relations, Puzzles, Inequalities, Input-Output, Coding-Decoding, Data Sufficiency, Order and Ranking, Alphanumeric Series, Distance and Direction, Verbal and Non Verbal Reasoning, Charts, Completion of Patterns, Classifications, Character Puzzles, Image Analysis, Logical Sequence of Words
English LanguageReading Comprehension, Cloze Test, Detection of Errors, Improving Sentences and Paragraphs, Completion of Paragraphs, Para Jumbling, Fill in the Blanks, Parts of Speech, Modes of Narration, Prepositions, Voice Change, Sentence Structure, Adjectives, Clauses, One Word Substitution
Quantitative AptitudeNumber Series, Data Interpretation, Simplification, Quadratic Equations, Data Sufficiency, Ratio and Proportion, Discounts, Averages, Mixtures and Alligation, Percentages, Profit and Loss, Partnerships, Time, Work and Distance, Rate of Interest, Probability, Permutation and Combination, Analytical Geometry, Calculus, Differential Equations, Real Analysis, Statistics, Dynamics
General AwarenessCurrent Affairs and Static G.K., Banking Awareness, International and National Awareness, Countries, Currencies and Capitals, Books, Authors and Awards, Headquarters of Important Organizations, Prime Minister Schemes, Government Policies, Important Dates and Events, Economics and Finance, History and Politics, Physics, Biology
General ScienceIndian History, Geography, Politics, Economics and Finance, Computers, Science and Technology, Physics, Chemistry, Biology
  • Current Affairs: Keeping up-to-date with the latest national and international events, developments, and trends.
  • General Studies: A broad field of knowledge covering history, geography, politics, economics, science, and culture.
  • Numerical Ability: Solving mathematical problems involving arithmetic, number series, and basic operations.
  • English Language: Mastery of grammar, vocabulary, reading comprehension, and sentence structure.
  • Quantitative Aptitude: Solving mathematical problems related to data interpretation, algebra, time, work, and other quantitative concepts.

IB ACIO Exam Pattern

  • IB ACIO Exam Pattern 2025: For the ACIO Grade-II/ Executive post, the examination will consist of a total of 5 subjects with a maximum score of 150 marks (Tier 1 - 100 marks and Tier 2 - 50 marks). Sections included in the exam patterns are General Awareness & Current Affairs, Quantitative/Numerical Aptitude, Logical/Analytical Reasoning, English Language Proficiency, General Studies (Conceptual Understanding). Each section contributes to the total score, testing a wide range of skills necessary for the ACIO Grade-II/ Executive position. Details of the pattern are discussed further below.
  • Understanding the exam pattern is key to successful preparation. Knowing how the questions are structured, the marks assigned to each section, and the overall format of the exam helps candidates approach their studies with a clear strategy. Below is the detailed IB ACIO Exam Pattern 2025 for the listed posts. By reviewing this, candidates can align their preparation effectively, ensuring they are well-prepared for the IB ACIO exam in 2025.

IB ACIO Tier 1 Exam Pattern 2025

SubjectsNo. of QuestionsMarks
Current Affairs2020
General Studies2020
Numerical Aptitude2020
Reasoning and Logical Aptitude2020
English Language2020
Total100100

IB ACIO Tier 2 Exam Pattern 2025

PapersMaximum Marks
Essay30
English comprehension & précis writing20
Total50

Download IB ACIO Syllabus PDF

  • Aspirants can access the detailed IB ACIO Syllabus PDF to get a clear overview of all the topics essential for the exam.
  • Click Here - IB ACIO Syllabus PDF
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