Aspirants preparing for security and defense sector careers can find comprehensive details regarding the upcoming recruitment cycle on official platforms like www.mha.gov.in and www.ncs.gov.in. Managed by the IB ACIO exam notifications, this recruitment drive offers an exceptional opportunity for candidates. For deeper insights into what lies ahead, you can check resources related to IB ACIO examinations.
The Preparing for IB ACIO 2026? Download Free PDFs & Attempt Free Mocks tool can further assist your preparation strategy. Let's dive deep into the specific structure, breakdown, and preparation checklists you need to master.
IB ACIO Grade-II/Executive Examination Overview
The Ministry of Home Affairs (MHA) conducts the examination to recruit candidates for the Assistant Central Intelligence Officer Grade-II Executive position within the Intelligence Bureau. With a notable total of 3717 vacancies available for the ACIO Grade II/ Executive post, competition is expected to be stiff. Reviewing the IB ACIO Eligibility and understanding the IB ACIO Grade 2/Executive Salary will give you a clear perspective on career growth.
| Parameter | Details |
|---|---|
| Organization Name | Intelligence Bureau (IB) |
| Exam Conducting Body Name | Ministry of Home Affairs (MHA) |
| Exam Name | IB ACIO Grade-II/ Executive Examination |
| Post Name | ACIO Grade II/ Executive |
| Vacancies | 3717 |
| Category | Syllabus |
| Total No. of Questions | Tier 1 - 100 questions |
| Total Marks | Tier 1 - 100 marks Tier 2 - 50 marks Tier 3- 100 marks |
| Type of Questions | Tier 1 - Objective Type Tier 2 - Descriptive Type |
| Selection Process | Tier 1- Written Exam Tier 2- Written Exam Tier 3- Interview |
| Official Website | www.mha.gov.in or www.ncs.gov.in |
IB ACIO Selection Process 2026
The selection process consists of Tier 1 (Written Exam), Tier 2 (Written Exam), and Tier 3 (Interview). Tier 1 consists of 100 objective-type questions for 100 marks with a negative marking of 1/4 mark for each incorrect answer. The time duration for the Tier 1 exam is 1 hour (60 minutes).
Tier 2 consists of a descriptive-type paper for 50 marks with a time duration of 1 hour (60 minutes). A minimum of 33% is required to pass the Tier 2 descriptive paper. Tier 3 (Interview) carries 100 marks. Final selection is based on combined performance in Tier 1 and Tier 2, followed by a rigorous interview round. Once processed, candidates can verify outcomes via IB ACIO Final Result 2026 - Click to Check and review benchmark scores through IB ACIO Cut Off 2026 - Click to Check or historical references like IB ACIO Cut Off [Previous Year].
IB ACIO Tier-1 Exam Pattern 2026
| Subjects | No. of Questions | Marks | Duration |
|---|---|---|---|
| Current Affairs | 20 | 20 | 1 Hour |
| General Studies | 20 | 20 | 1 Hour |
| Numerical Aptitude | 20 | 20 | 1 Hour |
| Reasoning and Logical Aptitude | 20 | 20 | 1 Hour |
| English Language | 20 | 20 | 1 Hour |
| Total | 100 | 100 |
IB ACIO Tier-2 Exam Pattern 2026
Tier 2 consists of Essay Writing (20 marks), English comprehension (10 marks), and Long answer type questions (20 marks). Long answer type questions in Tier 2 include 2 questions of 10 marks each on Current Affairs, Economics, Socio-political issues, etc.
| Papers | Maximum Marks | Time |
|---|---|---|
| Essay Writing | 20 | 1 Hour |
| English comprehension | 10 | 1 Hour |
| Long answer type questions (2 questions of 10 marks each on Current Affairs, Economics, Socio-political issues etc) |
20 | 1 Hour |
| Total | 50 | 1 Hour |
Detailed Syllabus Checklists
IB ACIO Tier 1 Subjects
- General Awareness
- Quantitative Aptitude
- Numerical/Analytical Reasoning
- English Language
- General Studies
IB ACIO Syllabus for Quantitative Aptitude
- 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
- Time and Distance
- Ration and Proportion
- Interest
- Discount
- Algebra
- Differential Equations
- Statistics
- Time and Work
- Fractions
- Analytical Geometry
- LCM and HCF
- Ratios
- Percentage
- Factoring
- Age
- Missing Numbers
- Average
- Prices and Expenditure Problems
- Simple and Compound Interest
- Volume
- Series Completion
IB ACIO Syllabus for General Studies
- History
- Physics
- Biology
- Current Affairs
- Science & Technology
- Static GK
- Indian Polity & Constitution
- Economy & Finance
- Geography
- Chemistry
IB ACIO Syllabus for Numerical Ability & Reasoning
- 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
- 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
Tips for IB ACIO Tier 2 Preparation
Essay Writing
- Candidates must practice writing essays of around 400 to 500 words and analyse the time consumed.
- More focus should be on the structure of writing an essay, following the format: Introduction, Body, Conclusion.
- Stick to facts and balanced arguments.
Long Answer Type Questions
- Do practice long answers with meaningful information required.
- Maintain the tone and meaning while practising long answer writing.
English Comprehension
- Candidates can excel in this part by practising reading editorials and answering inference-based questions.
- Candidates must focus on Time management in this section.
Quick Reference Links
| IB ACIO Previous Year Question Paper | IB ACIO Grade 2/Executive Salary |
| IB ACIO Eligibility | IB ACIO Cut Off [Previous Year] |
Frequently Asked Questions (FAQs)
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