IB ACIO Exam Pattern 2025, Marking Scheme & Question Distribution

Intelligence Bureau Assistant Central Intelligence Officer 2022 ( IB ACIO )

Swayam Gupta
Updated on Jan 28, 2025 15:07 IST

By Swayam Gupta, Associate Senior Executive

IB ACIO Exam Pattern 2025: The Ministry of Home Affairs (MHA) releases IB ACIO exam pattern along with the notification. IB ACIO selection process is divided into Tier 1, Tier 2 and Tier 3. Tier 1 is conducted in online mode and the Tier 2 is a descriptive type test. The total marks allotted to the tier 1 are 100. The total marks allotted to Tier 2 are 50 marks. The Interview carries a total of 100 marks.

IB ACIO exam pattern highlights the overall structure of the exam. It provides details such as total marks, duration of the test, marking scheme and weightage of each section. The Intelligence Bureau of Ministry of Home Affairs prescribes IB ACIO exam pattern. Read below for more details on the IB ACIO exam pattern.

Q:   What is IB ACIO Tier 2 exam pattern?
A: 

Check below.

IB ACIO Exam Pattern Tier II
Section Marks Total Time 
Essay Writing301 Hour
Comprehension and Precis Writing20
Total50 
Q:   What is IB ACIO Tier 1 exam pattern?
A: 

Check below the pattern.

IB ACIO Exam Pattern Tier I 
Sections Total Questions Total Marks Time 
General Awareness202060 Minutes
Quantitative Aptitude2020
Analytical Ability2020
English Language2020
General Studies2020
Total 100100
Q:   What are the important highlights related to IB ACIO exam?
A: 

The highlights of IB ACIO exam pattern for Executive post are given below.

Exam name

IB ACIO

Stages of exam

Tier I, II and Interview

Mode of exam

Tier-I Online

Tier-II: Offline

Nature of questions

Tier I: Objective Type

Tier II: Descriptive Type

Total marks

Tier I: 100

Tier II: 50

Interview: 100

Duration of the test

Tier I: 60

Tier II: 60

Negative marks

1/4

Table of content
  • IB ACIO Exam Pattern
  • IB ACIO Syllabus 2025
  • IB ACIO Exam Pattern 2025 FAQs
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IB ACIO Exam Pattern

Check the pattern below.

IB ACIO Exam Pattern for Tier 1

The structure of the Tier 1 exam is given below.

Subjects Number of questions

General Awareness

20

Quantitative Aptitude

20

Numerical/Analytical/Logical Ability & Reasoning

20

English Language

20

General Studies

20

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IB ACIO Exam Pattern for Tier 2

The structure of Tier II is given below.

Topics Total marks

Essay

30 marks

English Comprehension and precis writing

20 marks

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IB ACIO Exam Pattern for Interview

The interview carries 100 marks. In the interview, candidates are judged based on their intelligence and personality.

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Commonly asked questions
Q:   What is IB ACIO Exam Pattern?
A: 

IB ACIO exam pattern is given below.

Written ExaminationDescription of the ExaminationTime Marks
Tier I Exam: 100 Objective type MCQs, divided into 5 parts containing 20 questions of 1 mark each on.

 

Current Affairs, General Studies, Numerical Aptitude, Reasoning/Logical Aptitude, English

1 Hour100
Tier II: Descriptive type paper of 50 marks essay (30 marks) and English comprehension and precis writing (20 marks)1 Hour50
InterviewTier 3: Interview100
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IB ACIO Syllabus 2025

Candidates can check below IB ACIO Syllabus.

Subjects Topics

General Knowledge

Indian History, Polity, Current Events, Geography, Economy, Basics of Computers etc.

The focus will also be on Current national & International events, banking, sports, awards, recruitments, etc.

Reasoning

Analogies, Similarities and Differences, Spatial Visualisation, Spatial Orientation, Problem-Solving, Analysis, Judgment, Decision Making, Visual Memory, Discrimination, Observation, Relationship Concepts, Arithmetic Reasoning, Verbal and Figure, Non-Verbal Reasoning

English Comprehension

Grammar Rules, Antonyms, Synonyms, One-Word Substitution, Idioms & Phrases, Fill in the Blanks, Reading Comprehension/Passage, Cloze Test, Para-Jumble Sentences, etc.

Quantitative Aptitude

Number System, HCF LCM, Simplification, Average, Time & Work, Mensuration, Percentage, Profit & Loss, Simple & Compound Interest, Investment, Problem on Ages, Time & Speed, Problem on Trains, Permutation and Combination, Series and Sequences, Bar Graph, Pictorial Graph, Pie Chart.

Get the Top Score in DI and Logical Reasoning section of Competitive Entrance Exams with Expert Prep Tips

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Commonly asked questions
Q:   What is IB ACIO syllabus for Quantitative Aptitude?
A: 

The syllabus for Quantitative Aptitude is given below.

AdvanceArithmetic
  • Mensuration
  • Trigonometry
  • Height and Distance
  • Triangle
  • Circle
  • Polygon
  • Tangent
  • Ratio and Proportion
  • Mixture and Allegation
  • Missing Numbers
  • Age
  • Time and Work
  • Boat and Stream
  • Volume
  • LCM and HCF
  • Percentage
  • Profit and Loss
  • Simple and Compound Interest
  • Time and Distance
  • Average
  • Fractions
  • Series Completion
Q:   What is IB ACIO syllabus for General Awareness?
A: 

The General Awareness syllabus is given below.

General StudiesCurrent Affairs
  • Polity and Indian Constitution
  • Indian history
  • Science and Technology
  • Geography
  • Physics
  • Biology
  • Chemistry
  • Economics and Finance
  • Computer Science
  • National News
  • International News
  • New Schemes
  • Eminent Personalities
  • Financial Schemes
  • Nobel Prize Winners
  • Awards
Q:   What is the syllabus for the Intelligence Bureau Security Assistant exam?
A: 
The subjects that are included in the Intelligence Bureau Security Assistant Syllabus are Reasoning, Arithmetic, General Knowledge, General Studies, and General English . General Awareness & General Studies: Current Affairs (5-6 months), Indian Polity & Constitution, Science & Technology, Physics Economy & Finance, Geography, History, Chemistry Biology and Static GK. Reasoning: Logical Venn diagram, Missing Number, Paper-cutting & folding, Embedded figures, Figure Formation & Analysis, Series, Alphabet Test, Analogy, Arithmetic Reasoning, Blood Relation, Classification, Coding decoding, Distance direction test, Matrix, Cube & Dice, Mirror Image, Water Image, Pattern Completion, Counting of figures. Quantitative Aptitude Speed, Distance & Time, Profit loss, Discount, Ratio Proportion, Average, Boat & Stream, CI & SI, LCM & HCF, Mixture & Allegation, Partnership, Percentages, Complementary angles, Pipes & Cistern, Problem on Ages, Time & Work, Mensuration Data Interpretation, Standard Trigonometry Identities, Heights and Distances (Basic), Histogram, Frequency polygon, Bar diagram & Pie chart. General English . Synonyms & Antonyms, Spotting Error, Para Jumble, Reading Comprehension, Cloze Test Sentence Improvement, fill in the blanks, Idiom & Phrase, One-word Substitution, Active & Passive Voice, and Preposition. For more details, you may visit the Shiksha Intelligence Bureau exam page. (https://www.shiksha.com/exams/ib-acio-exam-syllabus). I hope this will help you.
View Syllabus
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IB ACIO Exam Pattern 2025 FAQs

Candidates can check below IB ACIO 2025 exam pattern FAQs.

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Commonly asked questions
Q:   What is IB ACIO full form?
A: 

The full form of IB ACIO is Intelligence Bureau Assistant Central Intelligence Officer. 

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IB ACIO Exam

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