The Ministry of Home Affairs (MHA) conducts every year IB ACIO exam for the post of Assistant Central Intelligence Officer Grade-II Executive in the Intelligence Bureau.
The candidates who will be applying for the exam firstly should know the IB ACIO Syllabus and Exam Pattern to start their preparations for the exam. With the help of the syllabus, candidates can prepare efficiently and effectively for the exam. Candidates can also know the exam pattern through this article which will help them to understand the important topics and their weightage in the exam.
IB ACIO Syllabus and Exam Pattern 2025
To ace the IB ACIO Grade-II/ Executive Exam, candidates should plan an effective preparation strategy to crack the exam. In-depth knowledge of IB ACIO Syllabus and Exam Pattern 2025 will help the candidates to know the subjects and topics required for the exam.
| IB ACIO Syllabus 2025- Highlights | |
| Organization Name | Intelligence Bureau (IB) |
| Exam Conducting Body Name | Ministry of Home Affairs (MHA) |
| Exam Name | IB ACIO Grade-II/ Executive Examination 2025 |
| Post Name | ACIO Grade II/ Executive |
| Category | Syllabus |
| Total No. of Questions | Tier 1 – 100 ques |
| Total Marks | Tier 1 – 100 marks Tier 2 – 50 marks |
| Type of Questions | Tier 1 – Objective Type Tier 2 – Descriptive Type |
| Selection Process | Written Test (Tier 1 & Tier 2)- Interview |
| Official Website | www.mha.gov.in or www.ncs.gov.in |
IB ACIO Selection Process 2025
The selection process for Intelligence Bureau ACIO 2025 Exam is divided into three phases, which are given below. Candidates hired through the IB ACIO Grade-II/ Executive Recruitment 2025 must fulfill All India Service Liability requirements since they are assigned to duties throughout the nation.
- Tier 1 (Phase-1)- 100 Objective Type Questions
- Tier 2 (Phase-2)- Descriptive Type
- 3. Interview (Phase-3)
IB ACIO Tier 1 exam is a objective-type exam. To be eligible for the Tier 2 exam candidates have to qualify for the Tier 1 exam. The Tier 2 exam is descriptive and to clear the Tier 2 exam, candidates need to score at least 33% marks (as per norms). The final selection will include an interview for candidates who demonstrate satisfactory performance in both Tier 1 and Tier 2 exams.
IB ACIO Exam Pattern 2025
- The questions in Tier 1 Exam will be Objective-type questions and in Tier 2, the questions will be descriptive.
- For each incorrect answer in IB ACIO Tier 1, there will be a negative marking of ¼ mark.
- The time duration for each tier is 1 hour.
| IB ACIO Tier-1 Exam Pattern 2025 | |||
| Subjects | No. of Questions | Marks | Duration |
| 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 2025 | ||
| Papers | Maximum Marks | Time |
| Essay | 30 | 1 Hour |
| English comprehension & précis writing | 20 | |
| Total | 50 | 1 Hour |
IB ACIO Syllabus 2025
Check the IB ACIO Syllabus 2025 for Quantitative Aptitude, General Awareness & General Studies, Logical/Analytical/Numerical Ability & Reasoning, and English Language from the section below and prepare for the IB ACIO Exam 2025.
IB ACIO Syllabus for Quantitative Aptitude
| IB ACIO Quantitative Aptitude Syllabus 2025 | |
| Number systems | Percentages |
| Mensuration | Ration and Time |
| Averages | Profit and loss |
| Fundamental Arithmetical Operations | Computation of whole numbers |
| Use of tables and graphs | Decimals |
| Relationship between numbers | Operations Research & Linear Programming |
| Differential Geometry | Dynamics |
| Essential Mathematics | Calculus |
| Real Analysis | Fundamental Arithmetical Operations |
| Computation of Whole numbers | Time and Distance |
| Ration and Proportion | Interest |
| Discount | Algebra |
| Differential Equations | Statistics |
| Time and Work | Fractions |
| Analytical Geometry | Statistics |
| LCM and HCF | Ratios |
| Percentage | Factoring |
| Age | Profit and Loss |
| Missing Numbers | Average |
| Prices and Expenditure Problems | Simple and Compound Interest |
| Time and Work | Mensuration |
| Volume | Time and Distance |
| Fractions | Series Completion |
IB ACIO Syllabus for General Studies
| IB ACIO General Studies Syllabus 2025 | |
| History | Physics |
| Biology | Current Affairs |
| Science & Technology | Static GK |
| Indian Polity & Constitution | Economy & Finance |
| Geography | Chemistry |
IB ACIO Syllabus for Numerical Ability & Reasoning
| IB ACIO Numerical Ability & Reasoning Syllabus 2025 | |
| Alphanumeric series | Reasoning Analogies |
| Artificial Language | Blood Relations |
| Calendars | Cause and Effect |
| Clocks | Coding-Decoding |
| Data Sufficiency | Decision Making |
| Directions | Input-Output |
| Odd One Out | Puzzles |
| Order & Ranking | Statement and Assumptions |
| Statement and Conclusions | – |
IB ACIO Syllabus for English Language
| IB ACIO English Language Syllabus 2025 | |
| Spellings Correction | One Word Substitution |
| Improvement | Verbal Comprehension Passage |
| Adjectives | Detecting Mis-spelt words |
| Idioms and Phrases | Passage |
| Verbs | Clauses |
| Fill in the blanks | Spot the error |
| Synonyms/Antonyms | Vocabulary |
| Grammar | Sentence Structure |
IB ACIO Interview Process
To be eligible for the interview stage candidates have to qualify for the both Tier 1 and Tier 2 exams. IB ACIO interview round carries 100 marks. Candidates appearing for the interviews may be given a psychometric/aptitude test, which will be a part of the interview.
| Interview | Maximum Marks |
| Interview | 100 |
