IB ACIO Syllabus
IB ACIO Syllabus


Intelligence Bureau (IB) ACIO Syllabus Exam pattern IB – Here we will discuss the detailed IB ACIO Syllabus and exam pattern. Online applications are invited from Indian Nationals for direct recruitment to the post of Assistant Central Intelligence Officer (ACIO), Grade-II/ Executive i.e. ACIO-II/Exe in IB, (Ministry of Home Affairs), Government of India.

IB ACIO Grade-II / Executive Selection Process

The selection process of the Intelligence Bureau ACIO exam is divided into three phases which are given below. The IB Assistant Central Intelligence Officer (ACIO) Grade-II/ Executive Recruitment posts are subjected to All India Service Liability which means candidates selected for appointment are liable to serve anywhere in India.

1. Tier 1 (Phase-1)
2. Tier 2 (Phase-2)
3. Interview (Phase-3)

IB ACIO Tier 1 exam is basically a written objective type of exam. The candidates who will clear the Tier 1 exam, will then appear in the Tier 2 exam. The Tier 2 exam is descriptive in nature and to pass the Tier 2 exam, candidates are required to score at least 33% marks (as per the rule). Based on Tier 1 and Tier 2 exam performances, candidates will be called for an interview for the final round of selection.

IB ACIO Syllabus and Exam Pattern

IB ACIO Tier-1 Exam Pattern

SubjectsTotal MarksTime
General Awareness1001 Hour
Quantitative Aptitude
Logical/Analytical/Numerical Ability and Reasoning
English Language.
General Studies

IB ACIO Syllabus

IB ACIO Quantitative Aptitude Syllabus

Number systemsPercentages
MensurationRation and Time
AveragesProfit and loss
Fundamental Arithmetical OperationsComputation of whole numbers
Use of tables and graphsDecimals
Relationship between numbersOperations Research & Linear Programming
Differential GeometryDynamics
Essential MathematicsCalculus
Real AnalysisFundamental Arithmetical Operations
Computation of Whole numbersTime and Distance
Ration and ProportionInterest
Differential EquationsStatistics
Time and WorkFractions
Analytical GeometryStatistics
LCM and HCFRatios
AgeProfit and Loss
Missing NumbersAverage
Prices and Expenditure ProblemsSimple and Compound Interest
Time and WorkMensuration
VolumeTime and Distance
FractionsSeries Completion

IB ACIO General Awareness & General Studies Syllabus

BiologyCurrent Affairs
Science & TechnologyStatic GK
Indian Polity & ConstitutionEconomy & Finance

IB ACIO Logical/Analytical/Numerical Ability & Reasoning Syllabus

Alphanumeric seriesReasoning Analogies
Artificial LanguageBlood Relations
CalendarsCause and Effect
Data SufficiencyDecision Making
Odd One OutPuzzles
Order & RankingStatement and Assumptions
Statement and Conclusions

IB ACIO English Language Syllabus

Spellings CorrectionOne Word Substitution
ImprovementVerbal Comprehension Passage
AdjectivesDetecting Mis-spelt words
Idioms and PhrasesPassage
Fill in the blanksSpot the error
GrammarSentence Structure

IB ACIO Tier-2 Exam Pattern and Syllabus

PapersMaximum MarksTime
Essay301 Hour
English comprehension & précis writing20
Total501 Hour

IB ACIO Interview

InterviewMaximum Marks

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

 Intelligence Bureau
Intelligence Bureau

About Intelligence Bureau (IB)

Headquarters: New Delhi
Founded: 1887

The Intelligence Bureau is India’s domestic intelligence, internal security, and counter-intelligence agency. It is reputed to be the oldest such organization in the world. The Intelligence Bureau reportedly has a lot of successes to its credit, but operations conducted by the IB are rarely declassified. 

Frequently Asked Questions (FAQs)

Is there any negative marking in the IB ACIO Tier I exam?

Yes, for every wrong answer, the candidate is penalized with 1/4th mark of that question.

What is the syllabus for the Tier II exam of the IB ACIO recruitment?

The Tier-II exam of IB ACIO is descriptive and consists of essay writing, precis, and comprehension. Candidates must practice miscellaneous essays and comprehension to crack this section.

What is the duration of the written exams?

The duration of both Tier-I and Tier-II exams will be 1 hour.

Who prescribes the IB ACIO exam pattern?

IB ACIO exam pattern is prescribed by the Ministry of Home Affairs (MHA).

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