IB ACIO Syllabus 2025 and Exam Pattern, Subject Wise Topics For Tier 1 and 2

The IB ACIO Syllabus 2025 is structured to evaluate candidates across analytical, general awareness, and communication skills. The IB ACIO Exam is conducted in three tiers i.e Tier 1 (Objective), Tier 2 (Descriptive), and Tier 3 (Interview). Tier 1 includes subjects like Current Affairs, General Studies, Reasoning, Numerical Aptitude, and English. Tier 2 focuses on Essay Writing, English Comprehension, and long answer-type questions. The descriptive and interview rounds checks clarity of thought and personality.

Candidates must understand the complete IB ACIO Syllabus 2025 to prepare effectively for each stage. Now, this article will discuss the detailed syllabus structure for both Tiers followed by the exam pattern.

Learn how to prepare for IB ACIO exam here! 

IB ACIO Syllabus 2025: Overview 

To prepare well for the IB ACIO 2025 Exam, candidates must understand the syllabus and exam pattern in detail. The table below provides key highlights of the IB ACIO Syllabus and Exam Pattern 2025.

IB ACIO Free Tests

IB ACIO Selection Process 2025

The selection procedure for IB ACIO 2025 consists of three key stages. The first stage is Tier 1, which is an objective-type written test with 100 questions. Candidates who qualify this round will move on to Tier 2, a descriptive paper that tests writing and comprehension skills.

To move forward, candidates must score at least 33% marks in Tier 2. The final stage is the Interview (Tier 3), where shortlisted candidates are assessed on their personality and suitability for the role. Final selection is based on combined performance in all three tiers.

• Tier 1 (Phase 1): Objective Type Written Exam (100 Marks)
• Tier 2 (Phase 2): Descriptive Paper
• Tier 3 (Phase 3): Personal Interview

IB ACIO Exam Pattern 2025

If you're aiming to secure a position as an Assistant Central Intelligence Officer, it's crucial to understand the IB ACIO Exam Pattern 2025. The exam follows a structured selection process designed to assess candidates' reasoning, analytical, and communication skills. Knowing the paper format in advance helps you plan your preparation effectively. From objective-type questions to a descriptive paper and interview, each stage plays a vital role. Let’s explore the detailed exam pattern below.

IB ACIO Tier I Exam Pattern 2025

To clear the first stage of the IB ACIO 2025 exam, candidates must understand the structure of Tier I. The objective-type paper tests your general awareness, reasoning, math, and English skills.

Note: There is negative marking of ¼ mark for each wrong answer in Tier I.

IB ACIO Tier 2 Exam Pattern 2025

Candidates who clear the Tier I exam will be eligible to appear for Tier II. This stage is descriptive in nature and tests writing skills, comprehension, and awareness of current issues.

IB ACIO Tier 3 Exam Pattern 2025

Candidates who qualify both Tier I and Tier II will be called for the final round—Tier III, which is a Personal Interview. This stage assesses a candidate’s personality, communication skills, and overall suitability for the Intelligence Bureau.

IB ACIO Syllabus 2025

To succeed in the IB ACIO Recruitment 2025 exam, candidates must understand the detailed syllabus for both Tier I and Tier II stages. The syllabus covers a wide range of topics from current affairs to descriptive writing and comprehension. Knowing what to expect in each tier helps in focused preparation and better time management. Below, we’ve explained the IB ACIO Tier I and Tier II syllabus for easy reference.

IB ACIO Syllabus 2025 PDF Download

Candidates preparing for the IB ACIO Exam 2025 can now access the complete syllabus in PDF format. The IB ACIO Syllabus 2025 PDF includes detailed topics for both Tier 1 and Tier 2 exams. It is essential to understand the syllabus thoroughly to plan an effective preparation strategy. You can download the official syllabus PDF from the link given below.

Download IB ACIO 2025 Syllabus PDF 

IB ACIO Reasoning Syllabus

The reasoning section of the IB ACIO exam is designed to test a candidate's logical thinking, problem-solving skills, and analytical ability. It forms a key part of the Tier I exam and includes a variety of topics that assess both verbal and non-verbal reasoning. A strong grasp of reasoning concepts is essential for scoring well in this section.

IB ACIO English Language Syllabus 

The English Language section of the IB ACIO exam assesses a candidate’s proficiency in grammar, vocabulary, and comprehension. It plays a crucial role in both Tier I and Tier II stages of the selection process. Candidates are tested on their ability to understand and use the language effectively through various topics such as reading comprehension, error spotting, and sentence improvement.

Get to know how to score full marks in IBPS SO exam here!

IB ACIO Quantitative Aptitude Syllabus 

The Quantitative Aptitude section of the IB ACIO exam evaluates a candidate’s numerical ability and problem-solving skills. This section includes questions from fundamental mathematical topics such as arithmetic, algebra, data interpretation, and geometry. A good understanding of basic concepts and regular practice is essential to score well in this part of the Tier I exam.

IB ACIO General Awareness Syllabus

The General Awareness section of the IB ACIO exam is designed to test a candidate’s knowledge of current events, important national and international affairs, and static general knowledge. It covers a wide range of topics including history, geography, economy, science, and polity. Staying updated with daily news and regular revision of static topics is key to scoring well in this section. 

IB ACIO GS Syllabus

The General Studies (GS) section of the IB ACIO exam focuses on evaluating a candidate’s understanding of subjects like history, polity, geography, economics, and general science. This section is part of the Tier I exam and plays an important role in overall scoring. A well-rounded preparation across these subjects is essential to perform effectively in this portion of the test.

IB ACIO Syllabus for Tier II

The Tier II exam of IB ACIO is a descriptive paper aimed at testing a candidate’s writing skills and clarity of expression. It includes essay writing, precis writing, and comprehension passages. This stage is crucial for evaluating how well candidates can present their thoughts in a structured and coherent manner, which is essential for the role of an intelligence officer.

Candidates must practice the basics of grammar and composition, and precis writing to enhance their vocab. 

This was all about the IB ACIO Grade II syllabus and Exam Pattern. Stay tuned to our page to receive all the news and updates related to the IB ACIO Grade II recruitment. Download our app Testbook from the Google Play store and get access to live classes, mock tests, quizzes and much more.