IB ACIO Syllabus 2026 Out Direct Link to Download Syllabus PDF here
IB ACIO Syllabus 2026: The Intelligence Bureau (IB) has officially released the detailed syllabus for ACIO Exam 2026. Candidates preparing for the IB ACIO recruitment can download the official syllabus PDF, exam pattern, and marking scheme from this page. This comprehensive guide covers subject-wise topics, preparation strategy, and important books for the IB ACIO exam.
IB ACIO Syllabus 2026 - Overview
Before diving into the detailed syllabus, candidates should understand the basic exam structure. The table below provides essential information about the IB ACIO recruitment exam 2026.
| Exam Name | IB ACIO Exam 2026 |
| Conducting Body | Intelligence Bureau (IB) - Ministry of Home Affairs |
| Post Name | Assistant Central Intelligence Officer (ACIO) Grade II/Executive |
| Exam Mode | Online (Tier 1), Offline (Tier 2) |
| Exam Type | Tier 1: Objective (MCQ) | Tier 2: Descriptive |
| Total Questions | Tier 1: 100 |
| Total Marks | Tier 1: 100 | Tier 2: 50 | Interview: 100 |
| Exam Duration | Tier 1: 1 Hour | Tier 2: 1 Hour |
| Negative Marking | Yes (0.25 marks in Tier 1) |
| Selection Process | Tier 1 + Tier 2 + Interview |
| Exam Language | English/Hindi |
| Official Website | mha.gov.in |
IB ACIO Exam Pattern 2026
Understanding the IB ACIO exam pattern 2026 is crucial for effective preparation. The exam pattern provides insights into the structure, marking scheme, duration, and types of questions asked in the examination.
Key Highlights of Exam Pattern:
| Subject/Section | No. of Questions | Marks | Duration |
|---|---|---|---|
| Current Affairs | 20 | 20 | 1 Hour |
| General Studies | 20 | 20 | |
| Numerical Aptitude | 20 | 20 | |
| Reasoning & Logical Aptitude | 20 | 20 | |
| English Language | 20 | 20 | |
| Total (Tier 1) | 100 | 100 |
Important Points:
- Each correct answer carries 1 mark
- Negative marking: 0.25 marks deducted for each wrong answer
- No marks will be awarded for unattempted questions
- The question paper will be available in English and Hindi
IB ACIO Tier 2 Exam Pattern (Descriptive)
| Section | Marks | Duration |
|---|---|---|
| Essay Writing | 20 | 1 Hour |
| English Comprehension | 10 | |
| Long Answer Questions (Current Affairs, Socio-Political, Economic Issues) | 20 | |
| Total | 50 |
IB ACIO Syllabus 2026 - Subject Wise Topics
The IB ACIO syllabus 2026 is divided into multiple sections. Below is the complete subject-wise breakdown of topics that candidates need to cover for the examination.
1. Current Affairs & General Awareness
- National & International Events (Last 6-12 months)
- Government Schemes & Policies
- Sports, Awards & Honours
- Science & Technology Developments
- Defence & Security News
- Books, Authors & Important Days
- Economy & Budget
2. General Studies
- Indian History (Ancient, Medieval & Modern)
- Indian Polity & Constitution
- Geography (Physical, Economic & Social)
- Indian Economy
- General Science (Physics, Chemistry, Biology)
- Environmental Issues & Ecology
3. Quantitative Aptitude (Numerical Ability)
- Number System, Simplification
- Percentage, Ratio & Proportion
- Profit & Loss, Simple & Compound Interest
- Time & Work, Time & Distance
- Average, Mensuration
- Data Interpretation (Tables, Graphs, Charts)
- Algebra & Geometry Basics
4. Reasoning & Logical Aptitude
- Analogies, Classification & Series
- Coding-Decoding, Blood Relations
- Puzzles & Seating Arrangements
- Syllogism, Statement & Conclusions
- Direction Sense, Order & Ranking
- Input-Output, Data Sufficiency
- Visual Reasoning
5. English Language
- Reading Comprehension
- Grammar (Tenses, Articles, Prepositions)
- Vocabulary (Synonyms, Antonyms, One Word Substitution)
- Error Detection & Sentence Correction
- Cloze Test, Fill in the Blanks
- Idioms & Phrases, Para Jumbles
Important Topics for IB ACIO Exam 2026
Based on previous year question papers and exam analysis, here are the high-weightage topics candidates should prioritize:
High Priority Topics:
- Current Affairs: Last 6-12 months national & international events
- General Studies: Polity, History, Economy
- Reasoning: Puzzles, Seating Arrangements, Blood Relations
- Quantitative Aptitude: Data Interpretation, Percentage, Simplification
- English: Reading Comprehension, Error Detection
IB ACIO Exam Preparation Tips 2026
Preparing for the IB ACIO exam requires a strategic approach. Follow these expert-recommended preparation tips to maximize your chances of success:
1. Understand the Complete Syllabus & Exam Pattern
Download the official IB ACIO syllabus PDF and analyze each topic. Understand the exam pattern, marking scheme, and negative marking rules.
2. Create a Realistic Study Timetable
Divide your preparation time based on syllabus weightage. Allocate more time to high-weightage topics.
3. Refer to Best Study Materials & Books
Use standard reference books for each subject.
4. Practice Previous Year Question Papers
Solve last 5-10 years’ IB ACIO question papers to understand trends and improve time management.
5. Take Regular Mock Tests
Attempt full-length mock tests in exam-like conditions.
6. Focus on Current Affairs Daily
Read newspapers and maintain notes for quick revision.
7. Master Time Management Skills
Practice solving questions within time limits.
Best Books for IB ACIO Preparation 2026
| Subject | Recommended Books | Author/Publication |
|---|---|---|
| General Knowledge & Current Affairs | Lucent’s General Knowledge + Monthly Magazines | Lucent Publications |
| Reasoning | A Modern Approach to Verbal & Non-Verbal Reasoning | R.S. Aggarwal |
| Quantitative Aptitude | Quantitative Aptitude for Competitive Examinations | R.S. Aggarwal |
| English | Objective General English | S.P. Bakshi |
Good Luck with your IB ACIO Exam 2026 preparation!

