The IB ACIO (Intelligence Bureau Assistant Central Intelligence Officer) exam is conducted by the Ministry of Home Affairs (MHA) to recruit officers for Grade-II/Executive posts. While the Tier 1 objective paper is well-known, the IB ACIO Descriptive Paper in Tier 2 is equally important for final selection. Many candidates overlook Tier 2, but scoring well in this stage can give you an edge over others. This article covers the exam pattern, preparation strategy, and key tips for the IB ACIO Descriptive Paper 2025.
IB ACIO Exam Overview
The IB ACIO exam is conducted by the Ministry of Home Affairs to recruit Assistant Central Intelligence Officers. Below is a quick overview of the exam structure and key highlights.
| IB ACIO Exam | |
| Exam Name | IB ACIO (Intelligence Bureau Assistant Central Intelligence Officer) |
| Conducting Body | Ministry of Home Affairs |
| Post | ACIO Grade-II/Executive |
| Exam Level | National |
| Exam Mode | Online (Objective + Descriptive) |
| Stages | Tier 1, Tier 2 (Descriptive), Interview |
| Job Location | Across India |
What is IB ACIO Descriptive Paper?
The Tier 2 descriptive paper tests whether a candidate can express ideas clearly and logically in written English. This is critical for a role in the Intelligence Bureau where report writing, summary making, and objective analysis are daily responsibilities.
The paper consists of:
- One Essay (from 3 topics)
- One Precis (summary writing)
- One Comprehension passage with questions
These are designed to evaluate your:
- Writing structure
- Depth of understanding
- Precision and vocabulary
- Time management
Importance of Descriptive Paper in IB ACIO Exam
The Tier 2 Descriptive Paper plays a crucial role in the final selection process of IB ACIO. While Tier 1 shortlists candidates, Tier 2 filters them based on deeper skills essential for intelligence officers.
- Assesses Thoughts Process & Clarity: The Intelligence Bureau values candidates who can express complex ideas clearly. Your ability to present your opinion logically and concisely is tested here.
- Tests Analytical & Critical Thinking: Essay and precis writing measure how well you understand issues and how critically you can analyse them – an essential trait for handling national security matters.
- Reflects Communication Skills: Officers are expected to draft reports and briefs. This test ensures you’re proficient in writing, which is vital for such responsibilities.
- Merit Deciding Factor: With only 50 marks, Tier 2 may look small – but its marks are added to the final merit list. Even a minor difference here can make or break your selection.
- Less Competition, More Impact: Many candidates neglect Tier 2 preparation. If you’re well-prepared, this gives you an edge over others who falter at this stage.
Treat the descriptive paper with the same seriousness as Tier 1. It is not just a writing test – it is a window to decide whether you move forward in the selection process or not. Even though it’s qualifying, you must clear it to stay in the competition.
How to Prepare for IB ACIO Descriptive Paper 2025?
The IB ACIO Tier 2 Descriptive Paper evaluates a candidate’s ability to think critically and express clearly through written English. It includes three components – Essay Writing, Precis Writing, and English Comprehension. Each section requires different skill sets, and strategic preparation is essential to score well. Let’s break down how to prepare effectively for each section:
Essay Writing
Essay writing forms the major chunk of the IB ACIO Tier 2 exam. Usually, candidates are given 4-5 topics to choose from, out of which they need to write one essay in about 400 words. Topics are often based on current affairs, social issues, national security, and governance. Here’s how to prepare
Format of the Essay
A well-structured essay follows this format:
- Introduction: Briefly introduce the topic and give a preview of the argument or approach.
- Body: This section carries your main points with examples, data, and multiple dimensions of the topic.
- Conclusion: Wrap up with a balanced view or suggestions, preferably ending on a positive or forward-looking note.
Key Tips for Essay Writing
| Area | Tips |
| Clarity | Write in simple, formal English. Avoid complex sentences |
| Neatness | Maintain proper spacing, paragraphing, and legible handwriting. |
| Quotations | Use relevant quotes or facts to strengthen your points. |
| Word Limit | Stick to the specified word limit. |
| Grammar Check | Ensure correct punctuation, spellings, and sentence structure. |
| Vocabulary | Use impactful yet simple words. Don’t overuse difficult vocabulary. |
| Final Review | Use the last 5-10 minutes for proofreading. |
Precis Writing
Precis writing involves summarizing a long passage into one-third of its length without losing the core message. While it seems easier due to fewer marks, it demands precision and strong language skills.
Key Tips for Precis Writing
| Area | Tips |
| Length | Precis should be around 1/3rd of the original passage (not more than 100 words). |
| Language | Use indirect speech. Avoid copying sentences directly. |
| Relevance | Include only essential points. Eliminate unnecessary examples. |
| Accuracy | Grammar and spelling must be flawless. |
| Neutral Tone | Don’t add personal opinions. Stick to the original message. |
| Logical Flow | Make sure sentences are well-connected and coherent. |
| Final Review | Re-read to ensure clarity and coverage of all key points. |
English Comprehension
This section tests your ability to understand and interpret a passage. Questions are based on your ability to draw inferences, identify facts, and understand the context.
Key Tips for English Comprehension
| Area | Tips |
| Reading Skills | Improve daily by reading editorials, reports, and articles |
| Focus | Pay attention to keywords and tone while reading the passage. |
| Answer Correctly | Stick strictly to what is asked – don’t assume extra details. |
| Vocabulary | Strengthen vocabulary by noting and using new words.. |
| Grammar | Ensure subject-verb agreement and correct tenses in responses. |
| Mock Practice | Practice previous year comprehension questions regularly to improve your speed and understanding. |
Do’s and Don’ts for IB ACIO Descriptive Paper
The IB ACIO descriptive paper is not difficult, but it’s different from typical MCQs. To stand out, you need a balanced mix of preparation, practice, and presentation. Focus on writing with clarity, substance, and structure. Practice past topics, read quality content, and follow a disciplined writing schedule.
| Do’s | Donts |
| Read the topic carefully and understand it well | Don’t just start writing without understanding the topic |
| Make a rough outline before you begin writing | Don’t write off-topic or add irrelevant points |
| Keep the language simple, clear, and formal | Don’t use slang, or casual words |
| Follow the structure: Introduction, Body, Conclusion | Don’t jumble ideas or mix multiple thoughts together |
| Stick to the word limit | Don’t overwrite or stretch beyond the required word count |
| Use correct grammar, punctuation, and spelling | Don’t leave spelling/grammar unchecked |
| Stay updated with current affairs for examples | Don’t use fake outdated facts |
| Practice descriptive writing regularly | Don’t rely only on last-minutes preparation |
| Write in neat and legible handwriting | Don’t submit messy or hard-to-read content |
Remember: The difference between selection and rejection in IB ACIO often lies in these 50 marks. Make them count!
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