If you are planning to appear for the IB ACIO 2025 Exam, then knowing the latest syllabus and exam pattern is the first and most important step towards your preparation. In this detailed article, you will get complete information about the IB ACIO 2025 Syllabus, exam pattern, selection process, important topics, and preparation strategy. This blog will help you understand what to study and how to crack this competitive exam.
About IB ACIO Exam
The Intelligence Bureau Assistant Central Intelligence Officer (IB ACIO) exam is conducted by the Ministry of Home Affairs (MHA), Government of India. It is one of the most prestigious intelligence and security-related posts in the country. The exam attracts thousands of candidates every year due to the job's reputation, salary, and the opportunity to serve in India’s premier intelligence agency. The recruitment process tests candidates on various subjects, including reasoning, general awareness, English, and writing skills. Therefore, having a clear understanding of the IB ACIO 2025 Syllabus is essential for focused preparation.
IB ACIO 2025 Selection Process
The selection process for IB ACIO 2025 consists of three main stages:
- Tier-I: Objective Type Test (Online)
- Tier-II: Descriptive Type Test (Offline)
- Interview / Personality Test
Each stage is crucial and requires specific preparation strategies. Let's look at the detailed exam pattern for each tier.
IB ACIO 2025 Exam Pattern
| Section | Marks | No. of Questions |
|---|---|---|
| General Awareness | 20 | 20 |
| Quantitative Aptitude | 20 | 20 |
| Logical/Analytical Ability | 20 | 20 |
| English Language | 20 | 20 |
| General Studies | 20 | 20 |
| Total | 100 | 100 |
Duration: 1 Hour
Tier-II (Descriptive Type Exam)
| Paper | Marks | Duration |
|---|---|---|
| Essay Writing | 30 | - |
| English Comprehension & Precis | 20 | 1 Hour |
Note: Tier-II is descriptive in nature and evaluates writing and comprehension skills.
Interview / Personality Test
Candidates who qualify for both Tier-I and Tier-II are shortlisted for an interview, which carries 50 marks. This stage assesses communication skills, general awareness, and personality traits suitable for intelligence services.
IB ACIO 2025 Syllabus: Detailed Subject-wise Topics
1. General Awareness
This section tests your awareness of current national and international events. Focus on:
- Indian Economy
- Indian Polity and Constitution
- Indian History (Ancient, Medieval, Modern)
- Geography (India and World)
- Science & Technology (Basic concepts)
- Environmental Studies
- Awards & Honours
- Books & Authors
- Important Government Schemes
- Sports & Defence News
- Recent Appointments & Resignations
- Summits and Conferences
- Reports and Indices
- Static GK (Countries, Capitals, Currencies, etc.)
Preparation Tip: Read newspapers daily and refer to monthly current affairs PDFs.
2. Quantitative Aptitude
This section tests your mathematical ability and numerical skills. Topics include:
- Number System
- Simplification
- Ratio & Proportion
- Percentage
- Averages
- Time & Work
- Speed, Time & Distance
- Profit & Loss
- Simple & Compound Interest
- Mensuration
- Mixture & Allegation
- Probability (Basic)
- Data Interpretation (Tables, Graphs, Charts)
Preparation Tip: Focus on formulas, practice regularly, and solve previous years’ papers.
3. Logical/Analytical Ability
This section evaluates your logical reasoning and analytical thinking.
- Coding-Decoding
- Number & Alphabet Series
- Blood Relations
- Direction Sense
- Syllogism
- Inequality
- Puzzles & Seating Arrangement
- Cause & Effect
- Statements & Assumptions
- Data Sufficiency
- Analytical Reasoning
- Decision Making
Preparation Tip: Practice reasoning questions daily through mock tests.
4. English Language
This section tests your command of English grammar and comprehension.
- Reading Comprehension
- Cloze Test
- Spotting Errors
- Sentence Rearrangement
- Fill in the Blanks
- Synonyms & Antonyms
- Active & Passive Voice
- Direct & Indirect Speech
- Idioms & Phrases
- One Word Substitution
- Paragraph Completion
Preparation Tip: Read editorials, improve vocabulary, and practice grammar exercises.
5. General Studies
General Studies is a mix of static and dynamic topics related to India’s socio-political and economic environment.
- Indian Constitution
- Indian Freedom Movement
- Governance, Policies, and Schemes
- Internal Security
- International Relations
- Environmental Issues
- Cybersecurity Basics
- Scientific Developments
IB ACIO 2025 Preparation Strategy
1. Understand the Syllabus Clearly
Read and understand the detailed syllabus provided above. Focus more on your weaker areas.
2. Prepare a Proper Study Plan
Divide your preparation time into daily, weekly, and monthly goals. Balance all subjects.
3. Focus on Current Affairs
Daily newspaper reading and monthly current affairs capsules will help in scoring well in General Awareness.
4. Practice Mock Tests Regularly
Enroll in reputed online test series. Attempt full-length mocks and analyze your performance.
5. Revise Consistently
Make short notes for revision. Revise current affairs, formulas, and key topics weekly.
6. Work on Writing Skills for Tier-II
Practice writing essays on current affairs topics. Work on grammar, coherence, and structure.
7. Improve Communication for the Interview
Read aloud, practice mock interviews, and stay updated on recent national and international events.
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