The IB ACIO Syllabus & Exam Pattern 2025 has been designed to evaluate candidates’ aptitude, analytical skills, and writing ability across two tiers- Tier 1 and Tier 2. Tier 1 is an objective-type test comprising multiple subjects, while Tier 2 is descriptive in nature. Understanding the latest exam pattern and subject-wise syllabus is crucial for strategic preparation. Candidates aiming to join the Intelligence Bureau as ACIOs must be well-versed in all sections to perform efficiently in the selection process.
IB ACIO Syllabus and Exam Pattern 2025
The IB ACIO Notification 2025 selection process consists of three stages Tier-I (objective), Tier-II (descriptive), and a Personal Interview. Each stage assesses different skills, and the syllabus and exam pattern vary accordingly. To succeed in the exam, candidates must understand the structure of all tiers, focus on key topics, and plan their preparation strategically. In this article, we have provided the complete section-wise IB ACIO syllabus for Tier-I and Tier-II, along with details of the interview process, to help you prepare effectively for every stage.
IB ACIO Syllabus 2025: Overview
Check out the table below to get more information on IB ACIO Syllabus 2025. This IB ACIO Syllabus 2025 Overview includes all the content in a short format.
IB ACIO Syllabus 2025 | |
Organization | Intelligence Bureau |
Exam Name | Assistant Central Intelligence Officer-Grade-II/Executive Examination 2025 |
Post | Assistant Central Intelligence Officer, Grade II/Executive |
Vacancy | 3717 |
Category | Syllabus |
Negative Marking | 1/4 marks for each wrong attempt |
Selection Process | Written Examination and Interview |
Application Mode | Online |
Official Website | mha.gov.in |
IB ACIO Exam Pattern 2025
Candidates who have applied for the IB ACIO Recruitment should be completely aware of the IB ACIO Exam Pattern 2025. For your convenience, we have attached the IB ACIO Exam Pattern 2025 in this section. This will make you get enlightened about the selection process set by the organisation.
IB ACIO Exam Pattern 2025 | |||
Written Examination | Description of the Examination | Time | Marks |
Tier 1: 100 Objective type MCQs, divided into 5 parts containing 20 questions of 1 mark each on. Current Affairs, General Studies, Numerical Aptitude, Reasoning/Logical Aptitude, English |
1 Hour | 100 | |
Tier 2: Descriptive type paper of 50 marks essay (30 marks) and English comprehension and precis writing (20 marks) | 1 Hour | 50 | |
Interview | Tier3: Interview | – | 100 |
IB ACIO Tier I Exam Pattern 2025
The IB ACIO Tier I Exam is divided into five parts: Current Affairs, General Awareness, Quantitative Aptitude, Reasoning, and English Language. The detailed exam pattern is given in the table below.
IB ACIO Exam Pattern 2025 For Tier I | |||
Subjects | No. Of Questions | Marks | Time |
Current Affairs | 20 | 20 | 1 Hour |
General Studies | 20 | 20 | |
Numerical Aptitude | 20 | 20 | |
Reasoning and Logical Aptitude | 20 | 20 | |
English Language | 20 | 20 | |
Total | 100 | 100 |
IB ACIO Tier II Exam Pattern 2025
The Tier II Exam for Intelligence Bureau ACIO will be Descriptive Type. The time period for the complete IB ACIO Tier II Exam 2025 is 1 Hour.
IB ACIO Exam Pattern 2025 For Tier II | |||
Topic | Maximum Marks | Time Duration | |
Essay Writing | 20 | 1 Hour | |
Comprehension | 10 | ||
Current Affairs, Economics, Socio-political issues etc. | 20 | ||
Total | 50 |
IB ACIO Tier III Personal Interview
The Tier‑3 stage of the IB ACIO selection process is a face-to-face personal interview conducted to assess the overall suitability of the candidate for the role of Assistant Central Intelligence Officer. This stage holds significant importance, as it goes beyond academics and tests the candidate’s mental alertness, presence of mind, and awareness of national security issues.
IB ACIO Syllabus 2025
To perform well in the IB ACIO 2025 Exam, candidates need a clear grasp of the core subjects covered in the objective paper. The Tier-I exam is just to test a candidate’s awareness, analytical thinking, and problem-solving skills across five key areas: Current Affairs, General Studies, Quantitative Aptitude, Reasoning Ability, and English Language. In the following section, we break down each subject to help you focus on what truly matters for scoring high.
Current Affairs Syllabus
- National News
- International News
- New Schemes
- Eminent Personalities
- Financial Schemes
- Nobel Prize Winners
- Awards.
General Studies Syllabus
- Polity and the Indian Constitution
- Indian history
- Science and Technology
- Geography
- Physics
- Biology
- Chemistry
- Economics and Finance
- Computer Science
- Current Affairs
- Static GK
Numerical Aptitude Syllabus
- Ratios
- Missing Numbers
- Age
- Time and Work
- Volume
- LCM and HCF
- Percentage
- Factoring
- Profit and Loss
- Simple and Compound Interest
- Time and Distance
- Average
- Fractions
- Mensuration
- Prices and Expenditure Problems
- Series Completion
- Real Analysis
- Essential Mathematics
- Computation of Whole Numbers
- Analytical Geometry
- Prices and Expenditure Problems
- Operations Research & Linear Programming
- Calculus
- Fundamental Arithmetical Operations
Reasoning / Logical Aptitude Syllabus
- Seating Arrangement
- Puzzles
- Syllogism
- Blood Relations
- Input-Output
- Order and Ranking
- Calendars and Clocks
- Inequalities
- Alphanumeric Series
- Data Sufficiency
- Coding-Decoding
- Distance and Direction
- Verbal and Non Verbal Reasoning
- Cause and Effect
- Odd One Out
- Charts
- Cause and Effect
- Character Puzzles
- Classifications
- Logical Sequence of Words
- Completion of Patterns
- Decision Making
- Image Analysis
English Syllabus
- Idioms and Phrases
- Verbs
- Fill in the blanks
- Spellings
- Grammar
- Adjectives
- Fill in the blanks
- Spellings
- Grammar
- Synonyms/Antonyms
- Verbal Comprehension Passage
- Spot the error
- Verbs
- Sentence Structure
- Vocabulary
- Detecting misspelled words
- Clauses
- Passage
- Improvement
- One-word substitution
IB ACIO Tier II Syllabus
Below we have discussed the IB ACIO Tier II Syllabus.
IB ACIO Tier II Syllabus |
||
Section | Marks | Details |
Essay Writing | 20 |
Write a structured essay (intro, body, conclusion)
|
English Comprehension | 10 |
Read and analyse a passage, answer questions that test understanding and vocabulary
|
Long Answer Type Questions | 20 | (2 questions of 10 marks each on Current Affairs, Economics, Socio-political issues, etc. |
Duration | 60 minutes |
IB ACIO Selection Process
The selection process for IB ACIO 2025 is conducted in three stages Tier I, Tier II, and the Interview. Tier I is an objective-type exam comprising 100 multiple-choice questions designed to assess a candidate’s general awareness, reasoning ability, quantitative aptitude, and English language skills. Those who qualify move on to Tier II, a descriptive paper that evaluates writing and comprehension abilities, with a minimum qualifying mark of 33%. The final stage, Tier III, is the personal interview, where candidates are assessed on their personality, communication skills, and overall suitability for the role.
Preparation Tips for the IB ACIO Tier 1 Exam
To crack the Tier 1 exam, candidates need a smart and focused preparation strategy that covers all subjects within the stipulated time frame. Here are a few useful tips:
Understand the Syllabus Thoroughly: Make sure you are familiar with the latest syllabus and exam pattern to prioritize important topics.
Create a Timed Study Plan: Allocate fixed hours daily for each section like reasoning, general awareness, and quantitative aptitude.
Practice Mock Tests & Previous Year Papers: Regular practice helps improve speed, accuracy, and confidence.
Stay Updated with Current Affairs: Read newspapers and monthly current affairs magazines, especially related to national security and intelligence.
Focus on Weak Areas: Identify and devote extra time to the sections you struggle with the most to improve your overall score.
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