IB ACIO Syllabus 2026 is now available on the official Intelligence Bureau website for candidates preparing for the Assistant Central Intelligence Officer Grade II examination. The syllabus encompasses five major subjects covering current affairs, general studies, quantitative aptitude, reasoning, and the English language. Aspirants must thoroughly understand the topic-wise breakdown and exam pattern to structure their preparation effectively.
The selection process for IB ACIO 2026 consists of three stages: Tier 1 (online objective test), Tier 2 (offline descriptive paper), and a personal interview. The complete exam timeline, marking scheme, and subject weightage are detailed in the official notification published on https://www.mha.gov.in. Candidates are strongly advised to download the official syllabus PDF and cross-check all information before finalizing their study plan.
Note: All information is sourced from the official notification. Candidates are advised to refer to the official syllabus PDF for the most accurate details.
IB ACIO Syllabus 2026 – Overview
| Particulars | Details |
|---|---|
| Exam Name | IB ACIO Exam 2026 |
| Conducting Organisation | 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) |
| Total Marks | Tier 1: 100, Tier 2: 50, Interview: 100 |
| Exam Duration | Tier 1: 1 Hour, Tier 2: 1 Hour |
| Negative Marking | 0.25 marks per wrong answer in Tier 1 |
| Selection Process | Tier 1 + Tier 2 + Interview |
| Official Website | https://www.mha.gov.in |
Selection Process
The IB ACIO recruitment exam follows a three-stage selection process designed to assess the knowledge, analytical skills, and communication abilities of candidates:
- Tier 1: Online objective-type multiple-choice question test (100 marks, 1 hour duration)
- Tier 2: Offline descriptive paper covering essay writing and answer-based questions (50 marks, 1 hour duration)
- Interview: Personal interview round evaluating personality, communication, and suitability for intelligence operations (100 marks)
Exam Pattern 2026
Tier 1 Exam Pattern
| Subject | Questions | Marks |
|---|---|---|
| Current Affairs | 20 | 20 |
| General Studies | 20 | 20 |
| Numerical Aptitude | 20 | 20 |
| Reasoning & Logical Aptitude | 20 | 20 |
| English Language | 20 | 20 |
Tier 1 Details: Each correct answer carries 1 mark. Negative marking of 0.25 marks is deducted for each incorrect response. Unattempted questions do not attract any marks. The question paper is available in both English and Hindi.
Tier 2 Exam Pattern
| Section | Marks |
|---|---|
| Essay Writing | 20 |
| English Comprehension | 10 |
| Long Answer Questions (Current Affairs, Socio-Political, Economic Issues) | 20 |
Tier 2 Duration: 1 hour. This descriptive paper tests written communication, subject knowledge, and analytical ability.
IB ACIO Syllabus 2026
Current Affairs & General Awareness
- National and international events from the last 6 to 12 months
- Government schemes, policies, and initiatives
- Sports achievements, awards, and honours
- Science and technology developments and innovations
- Defence and security-related news
- Books, authors, and important national/international days
- Economy, budget announcements, and financial developments
General Studies
- Indian history covering the ancient, medieval, and modern periods
- Indian polity, constitution, and governance structure
- Geography, including physical, economic, and social aspects
- Indian economy and economic policies
- General science encompasses physics, chemistry, and biology
- Environmental issues, ecology, and sustainability
Quantitative Aptitude (Numerical Ability)
- Number system and simplification techniques
- Percentage, ratio, and proportion calculations
- Profit, loss, simple interest, and compound interest problems
- Time and work, time and distance problems
- Average, mensuration, and geometric calculations
- Data interpretation from tables, graphs, and charts
- Algebra and basic geometry concepts
Reasoning & Logical Aptitude
- Analogies, classification, and series completion
- Coding-decoding and blood relations problems
- Puzzles and seating arrangement questions
- Syllogism and statement-based conclusions
- Direction sense, order, and ranking problems
- Input-output pattern recognition
- Data sufficiency and visual reasoning
English Language
- Reading comprehension passages and questions
- Grammar topics including tenses, articles, and prepositions
- Vocabulary covering synonyms, antonyms, and one-word substitutions
- Error detection and sentence correction exercises
- Cloze test and fill-in-the-blanks questions
- Idioms, phrases, and para jumble arrangements
Preparation Strategy
Effective preparation for IB ACIO 2026 demands a methodical approach that balances breadth and depth across all five subjects. Since Tier 1 carries equal weightage of 20 marks for each subject, candidates must allocate dedicated time to strengthen weaker areas while maintaining consistency in stronger sections. Current affairs and reasoning typically prove most challenging due to their conceptual depth and frequent pattern changes; therefore, prioritize these subjects during the initial preparation phase. A common mistake many aspirants make is neglecting the descriptive Tier 2 paper until the final weeks; instead, begin practising essay writing and long-answer responses simultaneously with Tier 1 preparation to develop clarity of expression and structured thinking. Time management is critical during Tier 1 as each subject requires approximately 12 minutes per section; practise solving mock tests within strict time limits to build speed without compromising accuracy. Refer to standard reference books like R.S. Aggarwal’s reasoning and quantitative aptitude titles, supplement with current affairs magazines and monthly updates, and solve at least 5 to 10 years of previous year question papers to identify recurring topics and question formats.
Important Links
| Particulars | Link |
|---|---|
| Official Website | Click Here |
Frequently Asked Questions (FAQs)
Q1. Where can I download the IB ACIO Syllabus 2026 PDF?
Ans. The official IB ACIO Syllabus 2026 PDF can be downloaded from the Intelligence Bureau’s official website at https://www.mha.gov.in. The direct link to download materials is typically available in the recruitment or examination section.
Q2. What is the total duration of the IB ACIO exam?
Ans. The Tier 1 exam duration is 1 hour for 100 questions, and the Tier 2 descriptive paper also requires 1 hour. The interview round does not have a fixed time limit but generally lasts 30 to 45 minutes.
Q3. Is there negative marking in the IB ACIO Tier 1 exam?
Ans. Yes, negative marking of 0.25 marks is applicable in Tier 1 for every incorrect answer. No marks are awarded for unattempted questions.
Q4. How many subjects are included in the IB ACIO Syllabus 2026?
Ans. The IB ACIO Syllabus 2026 covers five main subjects: Current Affairs & General Awareness, General Studies, Quantitative Aptitude, Reasoning & Logical Aptitude, and English Language.
Q5. What topics should I prioritize for IB ACIO preparation?
Ans. Prioritize current affairs (last 6-12 months), reasoning puzzles and seating arrangements, data interpretation, Indian polity and history, and reading comprehension based on their frequency in previous year papers.
Q6. Is the IB ACIO question paper available in Hindi?
Ans. Yes, the Tier 1 question paper is available in both English and Hindi. Candidates can choose their preferred language while applying.
Q7. What is the selection process for IB ACIO 2026?
Ans. The selection process consists of three stages: Tier 1 (online objective test – 100 marks), Tier 2 (offline descriptive paper – 50 marks), and a personal interview (100 marks). Candidates must qualify at each stage to proceed to the next.
