The Intelligence Bureau (IB), under the Ministry of Home Affairs, conducts the ACIO Grade II/Executive Exam to recruit candidates for key roles in national security. The IB ACIO 2025 exam is likely to see many applicants. To prepare well, it’s important to understand the updated exam pattern and syllabus first. In this article, we have explained the IB ACIO Syllabus 2025 simply and clearly. Knowing the syllabus will help candidates focus their preparation on the right topics and improve their chances of success in the upcoming recruitment exam.
IB ACIO Syllabus 2025 and Exam Pattern
The IB ACIO Syllabus includes section-wise topics, exam pattern, and useful preparation tips. If you are planning to appear for this exam, read this article carefully and start your preparation in a planned and effective manner.
IB ACIO Exam Pattern 2025
Along with the IB ACIO Syllabus 2025, understanding the exam pattern is important for effective preparation. The IB ACIO 2025 exam will be conducted in two written stages, followed by an interview.
IB ACIO Tier 1 Exam Pattern 2025
Tier 1 is an objective-type test comprising 100 multiple-choice questions from five key sections. Each question carries one mark, and there is a penalty of 0.25 marks for each incorrect answer.
| IB ACIO Exam Pattern 2025 for Tier 1 Exam | |||
| Subjects | No. of Questions | Marks | Time |
| Current Affairs | 20 | 20 | 1 Hour |
| General Studies | 20 | 20 | |
| Numerical Aptitude | 20 | 20 | |
| Reasoning and Logical Aptitude | 20 | 20 | |
| English Language | 20 | 20 | |
| Total | 100 | 100 | |
IB ACIO Tier 2 Exam Pattern 2025
Tier 2 is a descriptive exam designed to test writing and comprehension skills. It consists of two components—Essay and English comprehension & précis writing.
| IB ACIO Tier 2 Exam Pattern 2025 | ||
| Papers | Maximum Marks | Time |
| Essay | 30 | 1 Hour |
| English comprehension & précis writing | 20 | |
| Total | 50 | |
IB ACIO Exam Syllabus 2025
The IB ACIO exam covers a range of topics under five broad sections. Below is the detailed syllabus for each section:
IB ACIO Numerical Aptitude Syllabus
This section assesses the candidate’s quantitative skills and basic mathematical concepts. Key topics include:
- 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
- Mensuration
- Trigonometry
- Height and Distance
- Triangle
- Circle
- Polygon
- Tangent
IB ACIO Syllabus 2025 for English
This section focuses on grammar, vocabulary, and comprehension. Key areas include:
- Verbs
- Adjectives
- Fill in the blanks
- Spellings
- Synonyms/Antonyms
- Spot the error
- Sentence Structure
- Vocabulary
- Clauses
- Improvement
- Idioms and Phrases
- One-word substitution
- Comprehension Passage
- Detecting misspelled words
IB ACIO General Studies Syllabus
The General Studies section tests static knowledge and conceptual understanding across various subjects. Topics include:
- Polity and the Indian Constitution
- Indian history
- Science and Technology
- Geography
- Physics
- Biology
- Chemistry
- Economics and Finance
- Computer Science
IB ACIO Syllabus for Current Affairs
This section focuses on recent developments at the national and international levels. Topics to prepare include:
- National News
- International News
- New Schemes
- Eminent Personalities
- Financial Schemes
- Nobel Prize Winners
- Awards
IB ACIO Syllabus 2025 For Numerical Ability & Reasoning
This section evaluates both verbal and non-verbal reasoning abilities. Important topics are:
- Analogy
- Classification
- Number Series
- Coding-Decoding
- Word Formation
- Direction Sense
- Ranking and Arrangements
- Arrangement of Words
- Alphabet Series
- Mirror and Water Image
- Paper Cutting and Folding
- Cubes and Dice
- Embedded Figures
- Matrix-based questions
- Image-based questions
IB ACIO Syllabus PDF
The IB ACIO Syllabus PDF provides a comprehensive outline of the topics covered in the Intelligence Bureau Assistant Central Intelligence Officer examination. Aspirants can download the PDF to gain a detailed understanding of the syllabus and tailor their preparation accordingly. Familiarity with the IB ACIO Syllabus PDF is crucial for a strategic and effective approach to the examination.
IB ACIO 2025 Selection Process
Candidates who qualify in Tier 1 will be shortlisted for Tier 2. Based on performance in Tier 1 and Tier 2, candidates will be called for an interview. The final selection will be based on combined performance in all three stages. Additionally, a Psychometric/Aptitude Test may be conducted as part of the interview process.
Stage 1: Tier 1 Examination
Stage 2: Tier 2 Examination
Stage 3: Interview
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