The IB ACIO syllabus 2026 is officially outlined by the Ministry of Home Affairs (MHA) for the recruitment of Assistant Central Intelligence Officer Grade II/Executive posts. Aspirants preparing for this competitive exam must be well-versed with the IB ACIO syllabus 2026 and the latest exam pattern to qualify each stage successfully. The selection process includes Tier 1, Tier 2, and Interview rounds, each designed to test candidates’ aptitude, writing skills, and personality.
IB ACIO Syllabus 2026 Overview
The IB ACIO syllabus 2026 is divided across two written examination tiers:
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Tier 1: Objective-type questions on General Awareness, Quantitative Aptitude, Logical/Analytical Ability, and English Language.
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Tier 2: Descriptive test assessing Essay writing, English Comprehension, and Precis Writing.
Understanding the IB ACIO syllabus 2026 in detail helps candidates systematically cover all topics and enhance their exam preparation.
IB ACIO Exam Pattern 2026
The IB ACIO exam pattern 2026 consists of three stages:
Tier 1 Exam Pattern
| Subject | Marks | Number of Questions | Duration |
|---|---|---|---|
| General Awareness | 20 | 20 | |
| Quantitative Aptitude | 20 | 20 | |
| Logical/Analytical Ability | 20 | 20 | |
| English Language | 20 | 20 | |
| General Studies | 20 | 20 | |
| Total | 100 | 100 | 1 Hour |
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Negative marking of 0.25 marks for each wrong answer.
Tier 2 Exam Pattern
| Type | Marks |
|---|---|
| Essay Writing | 30 |
| English Comprehension & Precis | 20 |
| Total | 50 |
Interview
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Interview Marks: 100
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Candidates qualified in both tiers are called for a personal interview assessing their suitability for the Intelligence Bureau.
IB ACIO Recruitment 2026 out Notification 3717 Grade 2 Executive Posts
IB ACIO Syllabus 2026 Detailed
General Awareness
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Current Affairs (National & International)
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Indian History, Geography, and Polity
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Economic Developments
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Sports, Awards, Books & Authors
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Scientific Developments
Quantitative Aptitude
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Number System
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Simplification
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Percentage
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Ratio & Proportion
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Average
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Time, Speed, and Distance
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Profit & Loss
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Data Interpretation
Logical/Analytical Ability
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Coding-Decoding
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Blood Relations
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Direction Test
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Series Completion
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Puzzles
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Syllogism
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Analogies
English Language
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Reading Comprehension
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Error Spotting
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Synonyms and Antonyms
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Sentence Rearrangement
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Vocabulary
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Grammar Usage
General Studies
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Indian Constitution
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Science & Technology
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Environmental Studies
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National & International Issues
Tier 2 – Descriptive
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Essay Topics: National Security, Internal Security, Cyber Crime
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Precis Writing
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Comprehension Passage
Recommended Books for IB ACIO Syllabus 2026 Preparation
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General Awareness: Lucent’s General Knowledge – Comprehensive for static GK and current affairs.
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Quantitative Aptitude: Quantitative Aptitude for Competitive Examinations by R.S. Aggarwal
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Logical Reasoning: A Modern Approach to Logical Reasoning by R.S. Aggarwal
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English Language: Objective General English by S.P. Bakshi
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Essay and Descriptive Writing: Descriptive General English by S.P. Bakshi & Richa Sharma
These books are easily available on Amazon and are highly recommended for a thorough preparation of the IB ACIO syllabus 2026.
FAQs on IB ACIO Syllabus 2026
Q1. What is the syllabus for IB ACIO 2026 Tier 1 exam?
A. The IB ACIO syllabus 2026 for Tier 1 includes General Awareness, Quantitative Aptitude, Logical/Analytical Ability, English Language, and General Studies.
Q2. Is there a descriptive paper in IB ACIO 2026?
A. Yes, the Tier 2 exam is descriptive, including Essay Writing, Precis, and Comprehension.
Q3. What is the exam pattern for IB ACIO 2026?
A. The IB ACIO exam pattern 2026 comprises Tier 1 (100 marks objective), Tier 2 (50 marks descriptive), followed by a 100-mark interview.
Q4. Are there negative marks in IB ACIO 2026?
A. Yes, 0.25 marks are deducted for each wrong answer in Tier 1.
Q5. Which books are best for IB ACIO syllabus 2026 preparation?
A. Books by R.S. Aggarwal, S.P. Bakshi, and Lucent’s General Knowledge are highly recommended for the IB ACIO syllabus 2026 preparation.
This structured understanding of the IB ACIO syllabus 2026 and exam pattern can help aspirants plan their study strategy effectively.