IB ACIO Syllabus and Exam Pattern 2026 - Download PDF
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IB ACIO has published the IB ACIO Syllabus and Exam Pattern 2026 - Download PDF for candidates preparing for the examination. The subject-wise syllabus, exam pattern and other key details from the official release are summarised in the tables on this page. Use the official direct link below to access the original document.
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How to Use the Syllabus
- Go through the subject-wise tables below and note the scope of each topic.
- Plan your preparation according to the latest syllabus and the official exam pattern.
- Refer to the official link for the original document and for any future revision.
- Solve previous years papers to understand the question style.
Important Details
| 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 |
Subject-wise Syllabus
| 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 |
Exam Pattern & Marks
| Section | Marks | Duration |
|---|---|---|
| Essay Writing | 20 | 1 Hour |
| English Comprehension | 10 | |
| Long Answer Questions (Current Affairs, Socio-Political, Economic Issues) | 20 | |
| Total | 50 |
Subject-wise Syllabus
| 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 |
For more updates on results, admit cards, answer keys and syllabus, visit the respective sections on this website.
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What is IB ACIO Syllabus and Exam Pattern 2026 - Download PDF?
IB ACIO Syllabus and Exam Pattern 2026 - Download PDF is a government recruitment notification published by IB ACIO. Apply before the last date to be considered for the post.
When do applications open for IB ACIO Recruitment 2026?
Online applications for IB ACIO Recruitment 2026 start on 27 May 2026.