IB ACIO Syllabus 2027
Intelligence Bureau — Assistant Central Intelligence Officer (Grade-II/Executive)
Exam Pattern
| # | Subject / Section | Questions | Marks |
|---|---|---|---|
| 1 | General Knowledge | 20 | 20 |
| 2 | Reasoning | 20 | 20 |
| 3 | English | 20 | 20 |
| 4 | Mathematics | 20 | 20 |
| 5 | Awareness | 20 | 20 |
| Total | 100 | 100 | |
Syllabus by Subject
General Knowledge
Key topics covered as per the official IB ACIO syllabus, including fundamental concepts, applications, and recent exam trends for General Knowledge.
View General Knowledge Syllabus →Reasoning
Key topics covered as per the official IB ACIO syllabus, including fundamental concepts, applications, and recent exam trends for Reasoning.
View Reasoning Syllabus →English
Key topics covered as per the official IB ACIO syllabus, including fundamental concepts, applications, and recent exam trends for English.
View English Syllabus →Mathematics
Key topics covered as per the official IB ACIO syllabus, including fundamental concepts, applications, and recent exam trends for Mathematics.
View Mathematics Syllabus →Awareness
Key topics covered as per the official IB ACIO syllabus, including fundamental concepts, applications, and recent exam trends for Awareness.
View Awareness Syllabus →Eligibility & Attempts
EEligibility Criteria
Graduate in any discipline, age 18–27 years
ANumber of Attempts
No fixed limit (subject to age)
Exam Schedule
Frequency
As per vacancy
Next Exam Date
November 2027
Registration Opens
August 2027
Preparation Tips
- 1GK and Current Affairs carry the highest marks — read newspapers daily and follow monthly current affairs magazines
- 2The Tier II descriptive test requires strong English essay writing; practice essays on national security, governance, and current issues
- 3Quantitative Aptitude is at Class 10 level — focus on speed and accuracy in number series, percentage, ratio, and time-work
- 4For Tier III interview, be prepared to discuss current events, your graduation subject, and your motivation for joining IB
Frequently Asked Questions
Practice with Free Mock Tests
Now that you know the IB ACIO syllabus, put your preparation to the test. Attempt free mock tests that mirror the real exam pattern.