IB ACIO Syllabus 2022: Subject-wise Syllabus & Important Books

Along with the official notifications, the Ministry of Home Affairs publishes the IB ACIO syllabus for Tier I and Tier II exams. To be selected, candidates must follow the exam format and pass all three tiers of the exam. Tier I is an online examination, Tier II is a descriptive examination, and Tier III is an interview. To qualify for the exam, candidates must also review all the newest news and updates and begin their exam preparations accordingly.

In February 2022, the IB ACIO Tier-I examination will be held. The applicants who receive the highest scores in the descriptive examination will advance to the next level of Tier-II. The IB ACIO exam dates for the Tier-II examination will be announced soon by the Ministry of Home Affairs.

IB ACIO 2022 Important Dates

Candidates interested in taking the IB ACIO exam should refer to the tentative 2022 IB ACIO dates shown below.

DatesEvents (Tentative)
Release of Official NotificationJanuary 2022
Beginning of Online Application ProcessJanuary 2022
End of Online Application ProcessFebruary 2022
Last date to pay the Application Fees onlineFebruary end, 2022
Last date to pay the Application Fees offlineFebruary 2022
IB ACIO 2022 Exam Date and City allotment dateFebruary 2022
IB ACIO 2022 Admit Card Release Date Tier 2March/April 2022
IB ACIO 2022 Recruitment Tier-2 Exam dateTo be announced
IB ACIO 2022 Release of Provisional Answer KeyTo be announced
IB ACIO 2022 Tier-2 ResultTo be announced

IB ACIO 2022 Exam Pattern

Tier-I, Tier-II, and Interview are the three stages of the IB ACIO Exam Pattern 2022. Tier I is a type of objective test, Tier II is a type of descriptive test, and the Interview is worth 100 points. The Exam Pattern depicts the exam’s overall format.


There are five topics on the Tier-I exam, each with 20 questions. The information on each of them is included below.

SubjectsNumber of Questions
General Awareness20
Numerical/Logical/Analytical Ability and Reasoning20
Quantitative Aptitude20
General Studies20
English Language20


There are only two components to the Tier-II Exam. The following are their specifics and mark distributions.

TopicsTotal Marks
English Comprehension and Precis Writing20


The interview is worth 100 marks, and candidates are evaluated on their personality and intelligence.

IB ACIO 2022 Detailed Syllabus

The IB ACIO Syllabus 2022 includes everything a student needs to know. Tier-I and Tier-II are the two levels of the syllabus. Prior to taking the exam, students must thoroughly review the syllabus.


Quantitative Aptitude, General Awareness, Numerical Ability, Logical Reasoning, English Language, and General Studies are among the topics covered in Tier I.

Analytical Ability

  • Seating Arrangement
  • Direction Sense Test
  • Analogy
  • Classification
  • Imagine Analysis
  • Pattern Completion
  • Series
  • Character Puzzles
  • Chart Logic
  • Analytical Reasoning
  • Series Completion
  • Logical Sequence of Words
  • Data Sufficiency
  • Blood Relation Test

General Awareness

  • Physics
  • Politics
  • History
  • Economics
  • Biology
  • Current Affairs

English Language

  • Adjectives
  • Idioms and Phrases
  • Spellings
  • Grammar
  • Vocabulary
  • Clauses
  • Verbs
  • Passage
  • One-word substitution
  • Sentence Structure
  • Improvement
  • Spot the error
  • Fill in the blanks
  • Synonyms/Antonyms
  • Verbal Comprehension Passage
  • Detecting misspelt words

Logical Reasoning

  • Cause and Effect
  • Artificial Language
  • Order and Ranking
  • Odd one out
  • Calendars
  • Decision Making
  • Alphanumeric Series
  • Decision Making
  • Input-Output
  • Statement and Assumptions
  • Clocks
  • Syllogisms
  • Data Sufficiency
  • Statement and Conclusion
  • Puzzles
  • Reasoning Analogies
  • Input-Output
  • Blood Relations

Numerical Ability

  • Prices and Expenditure Problems
  • Fractions
  • Age
  • Profit and Loss
  • Time and Distance
  • Simple and Compound Interest
  • Mensuration
  • Volume
  • Percentage
  • Average
  • LCM and HCF
  • Time and Work
  • Missing Numbers
  • Factoring
  • Series Completion
  • Ratios


Tier-II is a descriptive exam that assesses a candidate’s knowledge of English and writing abilities. Candidates should concentrate on improving their vocabulary, grammar, and overall awareness.

Descriptive Test

English Language Writing Skills make up the Descriptive test. Students may be requested to write an essay or a letter on any given theme or topic for no more than 400 words in this part.

  • Analytical ability, knowledge, and writing competence for English are tested.
  • It is a subjective paper that must be completed in 30 minutes (Precise, Comprehension & Essay Writing)

Essay Topics

The majority of essay subjects are related to current events in the globe or in India, although some of the specific topics may include:

  • Security Threats of India
  • Cultural Diversity Of India
  • Security Threats in India
  • Emergency Trends in India
  • Miscellaneous
  • Cultural Diversity of the Country 
  • Emergency Trends 

Candidates must practice the basics of grammar and composition, precis writing to enhance their vocab.

This paper’s questions often include English comprehension, precise writing, and essay writing. Some of the typical topics for essay writing are security issues in India, cultural diversity in India, emergency developments in India, and so on.

IB ACIO 2022 List of Important Books

Name of the bookAuthor/ Publisher
ACIO Practise WorkbookKiran Prakashan
IB ACIO GuideR Gupta
IB ACIO Intelligence Bureau Assistant Central Intelligence Officers – Paper I and IIGKP
IB ACIO Intelligence Bureau Assistant Central Intelligence Officers – Grade-II/Executive – Paper I and IIGKP
Intelligence Bureau Assistant Central Intelligence Officer Grade-II – Recruitment ExamArihant
Intelligence Bureau ACIO Grade-II/Executive Exam Tier-I & Tier-II PWB – 1991Pratiyogita Kiran
IB Intelligence Bureau Security Assistant and Executive (Group C) Exam BooksV. V. K SUBBURAJ

Prior to sitting the exam, candidates should familiarise themselves with the IB ACIO syllabus, exam structure, and list of key books for reference. They will know what to expect on the exam, which will improve their chances of getting a good grade. They should also review the interview questions from the previous year to familiarise themselves with the type of questions that will be asked.


Q1. How should one prepare for the GK section?

Ans. To prepare for the GK Section, keep up with current events by reading newspapers and watching news programmes.

Q2. Is there any negative marking in the exam?

Ans. Yes, every erroneous response will result in a negative mark on the exam.

Q3. How important it is to take the mock exams?

Ans. Taking mock examinations is crucial since it will assist applicants to improve their time management skills as well as familiarise them with the kind of questions that will be asked on the exam.

Q4. What were the difficulty levels of the Tier-I section during the IB ACIO 2022 Examination?

Ans. The difficulty levels of each section of the Tier-I IB ACIO 2022 Examination are listed below.
Logical/Analytical Ability: Easy
General Studies: Easy to Moderate
General Awareness: Easy to Moderate
Quantitative Aptitude: Easy
English Language: Easy

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