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IB ACIO Selection Process, Check Preparation Tips of Each Stage

IB ACIO Selection Process includes Tier 1 (Objective Test), Tier 2 (Descriptive Test), and Interview round. Final selection is based on combined scores and document verification along with medical.
authorImageParul Rishi22 Jan, 2025
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IB ACIO Selection Process

IB ACIO Selection Process: The Intelligence Bureau Assistant Central Intelligence Officer (IB ACIO) exam is a competitive recruitment exam in India. The Ministry of Home Affairs (MHA) conducts this examination to recruit candidates for Grade-II/Executive posts in the Intelligence Bureau. These officers play a crucial role in national security, intelligence gathering, and counter-intelligence operations.

Here is a detailed breakdown of the IB ACIO Selection Process, including exam stages, eligibility criteria, and preparation tips to help you in IB ACIO exam.

IB ACIO Selection Process 

The IB ACIO recruitment process consists of three major stages. Only candidates who clear all these stages will be included in the final merit list based on their overall performance.

  1. Tier 1 – Objective Written Exam: This stage tests a candidate's general awareness, reasoning skills, numerical ability, and language proficiency through multiple-choice questions.

  2. Tier 2 – Descriptive Paper: A pen-and-paper test that evaluates essay writing, English comprehension, and precis writing skills.

  3. Tier 3 – Interview Round: The final personality assessment round, where candidates are judged on communication skills, current affairs knowledge, and analytical abilities.

Note: Candidates appearing in interviews may be subject to a Psychometric/Aptitude Test which will be a part of interview. 

IB ACIO Selection Process Tier 1: CBT

The IB ACIO Tier 1 exam is an online Computer-Based Test (CBT) comprising 100 multiple-choice questions (MCQs). The subject-wise distribution is as follows:

IB ACIO Tier 1 Exam Pattern
Subject Number of Questions Marks
General Awareness 20 20
Quantitative Aptitude 20 20
Logical Reasoning 20 20
English Language 20 20
General Studies 20 20
Total 100 100

IB ACIO CBT Marking Scheme

The Computer-Based Test (CBT) focuses on General Awareness, Quantitative Aptitude, Logical/Analytical Ability, English Language, and General Studies. IB ACIO CBT Marking Scheme is as follows:

IB ACIO CBT Marking Scheme 
Particulars Details
Total Questions 100
Total Marks 100
Exam Duration 1 hour (60 minutes)
Marking Scheme +1 for each correct answer
Negative Marking -0.25 for each wrong answer
Unattempted Questions No marks deducted

IB ACIO Selection Process Tier 2: Descriptive Paper

The Tier 2 descriptive exam is conducted offline and tests candidates' writing and analytical skills.

IB ACIO Tier 2 Exam Pattern
Section Marks
Essay Writing (One Topic) 30
English Comprehension & Precis Writing 20
Total 50


Important Topics for Essay Writing

Important topics for essay writing in exams like IB ACIO often include current affairs, social issues, technology, economy, and national security. Focus on topics like cybersecurity, terrorism, women empowerment, climate change, and digital economy. Practice structuring essays with a clear introduction, body, and conclusion to present ideas logically and effectively.

  • National Security and Cyber Threats: Understand the impact of cyber-attacks on national security and the role of intelligence agencies in tackling them.
  • Role of Intelligence Bureau in India’s Security: Highlight how IB gathers domestic intelligence and works against espionage and terrorism.
  • India’s Foreign Policy & International Relations: Discuss recent diplomatic relations, border disputes, and strategic partnerships.
  • Internal Security Challenges: Cover issues like Naxalism, insurgency in the northeast, cross-border terrorism, and communal violence.

Preparation Tips for IB ACIO Tier 2

For IB ACIO Tier 2, focus on essay writing, precis, and comprehension. Practice current affairs, structure your essays well, and improve your grammar and vocabulary daily. 

  • Essay Writing: Practice writing essays on trending security and political topics. Maintain a logical structure with a strong introduction, body, and conclusion.
  • Comprehension: Read editorials and opinion pieces to develop critical analysis skills. Summarize articles to enhance precis writing.
  • Grammar and Vocabulary: Strengthen grammar rules, synonyms, antonyms, and sentence structuring.
  • Time Management: Practice completing essays and precis writing within the allotted time.

IB ACIO Selection Process Tier 3: Interview

The final selection stage is the Personal Interview (PI) round, which assesses not just knowledge but also personality traits. The focus areas include:

  1. General Knowledge & Current Affairs: Candidates must discuss recent security threats, intelligence operations, and diplomatic developments.

  2. Analytical Thinking & Problem-Solving Skills: Hypothetical questions test how candidates handle crisis situations.

  3. Situational Judgment & Decision Making: Evaluators look for logical decision-making skills under pressure.

  4. Communication Skills & Confidence: Clear articulation and confident body language are crucial.

  5. Understanding of National Security & Intelligence Matters: A solid grasp of IB's functions and India’s internal security is necessary.

IB ACIO Interview Preparation Tips

To prepare effectively for the IB ACIO interview, participate in mock interview sessions to build confidence and identify your weak points. Stay updated with current affairs, focusing on daily news, defense updates, and government policies. Work on personality development by improving your posture, maintaining eye contact, and speaking with clarity. Additionally, gain an understanding of the Intelligence Bureau by researching its history, functions, and contributions to national security. 

IB ACIO Selection Process Final Merit List

The final merit list is prepared based on a candidate's performance in all three stages. Candidates undergo document verification and a medical test before the final appointment.

IB ACIO Selection Process Final Merit List
Stage Marks
Tier 1 100
Tier 2 50
Interview 100
Total 250

Eligibility Criteria for IB ACIO Selection Process

Here’s the information regarding Eligibility Criteria for the IB ACIO Selection Process in the table provided below:

Eligibility Criteria for IB ACIO Selection Process
Criteria Details
Educational Qualification Bachelor’s degree (Any Discipline) from a recognized university
Computer Proficiency Desirable
Age Limit Minimum: 18 years
Maximum: 27 years
Age Relaxation OBC: 3 years
SC/ST: 5 years
Ex-Servicemen: As per government rules
Physical Fitness No physical test, but candidates must be medically fit


The IB ACIO selection process focuses not only on knowledge but also on personality development and communication skills. By understanding the exam pattern, IB ACIO syllabus, and preparation strategies, you can prepare better for the Intelligence Bureau ACIO exam. 

PW provides SSC exam content, including sample papers, mock tests, guidance sessions, and more. Also, enroll today on SSC Online Coaching for preparation.

IB ACIO Selection Process FAQ

What are the stages of the IB ACIO selection process?

The IB ACIO selection process has three stages: Tier 1 (Objective Test), Tier 2 (Descriptive Test), and Interview.

Is there negative marking in IB ACIO Tier 1?

Yes, there is a negative marking of 1/4th mark for each wrong answer in the IB ACIO Tier 1 exam.

What is the Tier 2 exam in IB ACIO?

Tier 2 is a descriptive test, including essay writing (30 marks) and English comprehension & précis writing (20 marks).

How is the final merit list prepared for IB ACIO?

The final merit list is based on the combined scores of Tier 1, Tier 2, and the Interview, followed by document verification.
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