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IB ACIO Syllabus 2025 and Exam Pattern For Grade II Executive Post

The IB ACIO Exam for the ACIO Grade-II Executive posts is conducted by the Ministry of Home Affairs (MHA). The IB ACIO Syllabus 2025 is categorized into five key sections: General Studies, Current Affairs, Quantitative Aptitude, Reasoning, and English. This article provides a complete breakdown of the syllabus along with the detailed exam pattern. Read through the information carefully to understand the structure of the exam and begin your preparation with clarity and confidence.

IB ACIO Syllabus 2025

Aspirants preparing for the IB ACIO Recruitment 2025 exam must review the detailed syllabus to effectively plan and organize their study strategy. The exam carries a total of 100 marks, and a penalty of 1/4th mark will be deducted for every wrong answer. Below, you’ll find the full breakdown of the IB ACIO Exam Pattern 2025 to help guide your preparation.

IB ACIO Selection Process 2025

There will be three stages in the IB ACIO Recruitment as per the IB ACIO Exam Pattern. The stages of the IB ACIO Selection Process are as follows:

Tier 1 (Tier-1):

  • Nature: Written exam with multiple-choice questions.
  • Content: Covers various subjects to assess candidates’ knowledge.

Tier 2 (Tier-2):

  • Nature: Written exam requiring descriptive answers.
  • Passing Criteria: Candidates must score a minimum of 33%.
  • Purpose: Further evaluate candidates’ understanding and expression.

Interview (Tier-3):

  • Nature: Interactive session assessing personality and suitability.
  • Criteria: Based on performance in Tier 1 and Tier 2 exams.
  • Final Selection: Determines the selection of candidates for the position.
  • Comprehensive Evaluation: Considers academic knowledge and communication skills.

IB ACIO Exam Pattern 2025

The IB ACIO Written Exam will be held in two phases: Tier I which is Objective in nature and Tier II which is Descriptive. Candidates who will qualify for the IB ACIO Tier 1 and Tier 2 Exam will be further called for the IB ACIO Interview. After all the stages, the final merit list will be prepared and selected candidates will be given the chance to join the Intelligence Bureau of India as Assistant Central Intelligence Officers.

IB ACIO Tier 1 Exam Pattern

  • The IB ACIO Tier I Exam is a Written Exam of 100 Marks.
  • For every wrong answer, there will be a negative marking of 1/4 marks.
  • The Exam is Objective in nature and consists of MCQs.
  • There are five main sections in this paper- Current Affairs, General Studies, Numerical Aptitude, Reasoning and Logical Aptitude, and English Language.
  • The time duration for this exam is 60 minutes.
IB ACIO Tier-1 Exam Pattern
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 2 Exam Pattern

  • The phase 2 exam is descriptive.
  • The paper is divided into two sections- Essay Writing and Comprehension.
  • The total mark for this paper is 50 marks.
  • The exam duration is 60 minutes.
IB ACIO Tier-2 Exam Pattern
Papers Maximum Marks Time
Essay 30 1 Hour
English comprehension & précis writing 20
Total 50

IB ACIO Syllabus 2025: Subject-wise

The IB ACIO Syllabus is divided into two tiers- Tier 1 which is Objective in nature and Tier 2 which is Objective in nature. Candidates can check the detailed subject-wise IB ACIO Syllabus below. The syllabus will help the candidates prepare for their upcoming exams and streamline their study routine.

IB ACIO Syllabus for Tier I

There are five main topics in the IB Assistant Central Intelligence Officer Recruitment 2025. These are:

  • Current Affairs: National and International Current Affairs.
  • General Studies
  • Numerical Ability
  • English Language
  • Quantitative Aptitude

Check the detailed IB ACIO Syllabus Topic-wise below.

IB ACIO Syllabus for General Studies

Check the IB ACIO Syllabus for General Studies in the table below which includes topics like History, Geography, Polity, and others.

IB ACIO Syllabus for General Studies
History Biology
Science & Technology
Indian Polity & Constitution
Geography Physics
Current Affairs Static GK
Economy & Finance Chemistry

IB ACIO Syllabus for Numerical Ability & Reasoning

The detailed topic-wise IB ACIO Syllabus has been tabulated below.

IB ACIO Syllabus for Numerical Ability & Reasoning
Alphanumeric Series
Artificial Language
Calendars Clocks
Data Sufficiency Directions
Odd One Out
Order & Ranking
Statement and Conclusions
Reasoning Analogies
Blood Relations
Cause and Effect
Coding-Decoding Decision Making
Input-Output Puzzles
Statement and Assumptions —

IB ACIO Syllabus for English Language

English is one of the easiest sections to score. The IB ACIO Syllabus for English Language has been tabulated below for the convenience of the candidates.

IB ACIO Syllabus for the English Language
Spellings Correction
Improvement Adjectives
Idioms and Phrases Verbs
Fill in the blanks
Synonyms/Antonyms
Grammar
One Word Substitution
Verbal Comprehension Passage
Detecting Mis-spelt words
Passage Clauses
Spot the error Vocabulary
Sentence Structure —

IB ACIO Syllabus for Quantitative Aptitude

The Quantitative Aptitude section if practiced well can be one of the easiest and best-scoring sections in the IB ACIO Exam. Check the detailed IB ACIO Syllabus for Quantitative Aptitude in the table below.

IB ACIO Syllabus for Quantitative Aptitude
Number systems LCM and HCF
Mensuration Percentage
Averages Age
Fundamental Arithmetical Operations Missing Numbers
Use of tables and graphs Prices and Expenditure Problems
Relationship between numbers Time and Work
Differential Geometry Volume
Essential Mathematics Fractions
Real Analysis Ration and Time
Computation of Whole numbers Profit and loss
Ration and Proportion Decimals
Discount Operations Research & Linear Programming
Differential Equations Dynamics
Analytical Geometry Calculus
Ratios Time and Distance
Factoring Interest
Simple and Compound Interest Algebra
Series Completion Statistics

IB ACIO Syllabus 2025 for Tier II

The IB ACIO Tier 2 is a descriptive paper where there will be an Essay Writing for 30 marks and English Comprehension and Precis Writing for 20 marks. The topics for the Essay will be based on any current affair or any topic that is in the news. Candidates can go through the IB ACIO Previous Year to get an idea for the IB ACIO Syllabus or topic for Tier 2.

IB ACIO Interview 2025- Tier III

Candidates who will clear the cut-off for Phases 1 and 2 of the IB ACIO Exam will be called for the final stage of selection which is the IB ACIO Interview 2025. The Interview is held for 100 marks. The interview aims to assess the candidate’s suitability for a career in the Intelligence Bureau and evaluates the candidate’s personality, communication skills, and overall demeanor.

IB ACIO Syllabus 2025 PDF

Candidates who are searching for the IB ACIO Syllabus PDF can download the detailed IB ACIO Syllabus PDF using the direct link shared below. Candidates can download and print the Syllabus PDF to keep their preparations streamlined. Download the IB ACIO Syllabus PDF below.

Download IB ACIO Syllabus PDF

How to Prepare for the IB ACIO 2025 Exam?

Candidates can prepare for the IB ACIO Exam 2025 by following the steps mentioned below.

  1. Understand the Exam Pattern: Know the structure of Tier I and Tier II exams and know the syllabus to guide your preparation.
  2. Stay Informed about Current Affairs: Regularly follow news sources, newspapers, and news channels to stay updated on national and international events.
  3. Improve General Awareness: Focus on history, geography, science, and politics, referring to reliable sources like NCERT books.
  4. Develop Analytical and Logical Reasoning Skills: Practice solving puzzles, coding-decoding problems, and questions related to logical reasoning.
  5. Enhance Quantitative Aptitude: Work on mathematical and quantitative skills, practising problems related to arithmetic, algebra, and data interpretation.
  6. Focus on English Language Skills: Improve reading comprehension, grammar, and vocabulary, and practice essay writing for the descriptive paper.
  7. Refer to Previous Year Question Papers: Solve past papers to understand the exam pattern and types of questions asked.
  8. Create a Study Schedule: Plan a study routine covering all topics, allocating dedicated time for each subject, and including breaks.
  9. Take Mock Tests: Regularly assess your preparation through mock tests, analyzing your performance and identifying areas for improvement.
  10. Revision is Key: Regularly revise to reinforce concepts and create concise notes for quick review.
Links Related to IB ACIO
IB ACIO Recruitment 2025 IB ACIO Previous Year Question Paper
IB ACIO Salary IB ACIO Cut Off
IB ACIO Apply Online 2025

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FAQs

How many stages are there in the IB ACIO Selection Process?

The IB ACIO Selection Process consists of three stages: Tier 1 (Phase-1), Tier 2 (Phase-2), and Interview (Phase-3).

What is the nature of the IB ACIO Interview (Phase-3)?

The interview is an interactive session assessing personality and suitability. It is based on the performance in Tier 1 and Tier 2 exams.

What are the main topics in the IB ACIO Syllabus 2025?

The main topics include Current Affairs, General Studies, Numerical Ability, English Language, and Quantitative Aptitude.

How is the IB ACIO Phase 1 Exam structured?

The exam consists of 100 objective type questions covering subjects like Current Affairs, General Studies, Numerical Aptitude, Reasoning, and English Language. The time duration is 60 minutes.

What is the structure of the IB ACIO Phase 2 Exam?

The exam is descriptive with essay writing and comprehension. The total marks for this paper are 50, and the duration is 60 minutes.

How much weightage does the IB ACIO Interview carry?

The interview is for 100 marks and plays a crucial role in the final selection, assessing academic knowledge and communication skills.