Intelligence Bureau IB ACIO Syllabus 2026 – Topic-wise Pattern & PDF
Intelligence Bureau (IB) - Ministry of Home Affairs · All India
Quick Info
Quick Info Overview
| 🏢 Organization | Intelligence Bureau (IB) - Ministry of Home Affairs |
| 📋 Post Name | Intelligence Bureau IB ACIO Syllabus 2026 – Topic-wise Pattern & PDF |
| 📢 Total Vacancies | As per requirement |
| 📁 Category | Syllabus |
| 📍 Location | All India |
| 🎓 Education | graduate, diploma, iti, 12th_pass, 10th_pass |
| 🎂 Age Limit | Check Notification |
| 💰 Salary | Check Notification |
| 💳 App Fee | No Fee |
| 📝 Apply Mode | Offline |
| 📅 Last Date | Apply Soon |
Important Dates
| Notification Released | 27-05-2026 |
| Online Apply Start | Check Notification |
| Apply Last Date | Check Notification |
| Fee Payment Deadline | Check Notification |
Selection Process
- Stage 1: Tier 1
- Stage 2: Tier 2
- Stage 3: Interview
IB ACIO Syllabus 2026 Overview
The Intelligence Bureau (IB) conducts the Assistant Central Intelligence Officer (ACIO) Grade II/Executive exam annually. Candidates can find a comprehensive syllabus and exam pattern here to prepare effectively. You can also explore more detailed exam topics in our All Exam Syllabus 2026 section.
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 | 1 Hour |
Tier 2 exam (Descriptive) includes Essay Writing (20 marks), English Comprehension (10 marks), and Long Answer Questions (20 marks) to be completed in 1 hour.
Subject-wise Syllabus
- Current Affairs & General Awareness: National & International events, Government schemes, Sports, Awards, Science & Technology, Defence news, Books & Authors, Economy & Budget.
- General Studies: Indian History, Polity & Constitution, Geography, Indian Economy, General Science, Environment & Ecology.
- Quantitative Aptitude: Number system, Simplification, Percentages, Profit & Loss, Time & Work, Average, Mensuration, Data Interpretation, Algebra & Geometry basics.
- Reasoning & Logical Aptitude: Analogies, Coding-Decoding, Blood relations, Puzzles, Syllogism, Direction sense, Input-Output, Visual reasoning.
- English Language: Reading comprehension, Grammar, Vocabulary, Error detection, Cloze test, Idioms & phrases, Para jumbles.
Marking Scheme
- Each correct answer carries 1 mark.
- Negative marking is 0.25 marks for every wrong answer in Tier 1.
- No marks for unattempted questions.
Recommended Books
- General Knowledge & Current Affairs: Lucent’s General Knowledge + Monthly Magazines (Lucent Publications)
- Reasoning: A Modern Approach to Verbal & Non-Verbal Reasoning by R.S. Aggarwal
- Quantitative Aptitude: Quantitative Aptitude for Competitive Examinations by R.S. Aggarwal
- English: Objective General English by S.P. Bakshi
Preparation Tips
- Understand the complete syllabus and exam pattern thoroughly.
- Create a realistic timetable focusing on high-weightage topics.
- Refer to the best books and study materials available.
- Practice previous year question papers and take regular mock tests.
- Stay updated with current affairs daily through newspapers and notes.
- Work on time management skills during exam practice.
Candidates can also check the Download Hall Ticket section to stay updated on admit card releases and Check Exam Results for IB ACIO exam outcomes. For the latest job notifications, visit our Latest Sarkari Naukri 2026 page. For similar competitive exams, explore the UPSC Syllabus and Bank Exam Syllabus.