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IB ACIO Recruitment 2021 eligibility criteria, syllabus, exam pattern, study plan, vacancies, salary, and more


The exam for the Intelligence Bureau Assistant Central Intelligence Officers or IB ACIO is conducted by the Ministry of Home Affairs. The 2021 exam has been conducted in the months of February, March, and June. The results for the Tier II exam of 2021 is yet to be released. The notification for the next IB ACIO exam is yet to be released. Candidates are advised to check below for further details.

IB ACIO Exam At A Glance

NameIB ACIO Exam
Conducting BodyMinistry of Home Affairs
Vacant PostsIntelligence Bureau Assistant Central Intelligence Officers
Number of Vacanciesto be announced
Mode of ApplicationOnline
Selection ProcessTier I Objective Type Exam, Tier II Descriptive Type Exam, Tier III Interview

IB ACIO Exam Notification

The Ministry of Home Affairs is yet to release the notification for IB ACIO. Candidates are advised to keep checking the official website to stay up to date with announcements.

IB ACIO Exam Important Dates

IB ACIO notification releaseto be announced
IB ACIO online application opensto be announced
IB ACIO online application closesto be announced
IB ACIO Tier-I exam admit card releaseto be announced
IB ACIO Tier-I exam dateto be announced
IB ACIO Tier-I exam resultto be announced
IB ACIO Tier-II admit card releaseto be announced
IB ACIO Tier-II exam dateto be announced
IB ACIO Tier-II exam resultto be announced
IB ACIO Tier-III interview dateto be announced
IB ACIO final list of selected candidatesto be announced

Eligibility Criteria for IB ACIO Exam


Candidates must be citizens of India with appropriate government-approved documents.

Educational Qualification:

Candidates must have a Graduate degree or its equivalent in any discipline from a Government-recognized university. Aspirants with fluency in computers will be preferred.

Age Limit:

  • Lower Age Limit: 18 years
  • Upper Age Limit: 27 years

Age Relaxation:

CategoryAge Relaxation
OBC3 years
SC /ST5 years
Departmental aspirants with a minimum of 3 years of uninterrupted serviceUp to 40 years of age

IB ACIO Exam Application Fee

CategoryApplication Fee
General/EWS/OBC (male)INR 600
SC/ST/Ex-Servicemen/WomenINR 500

How to Apply for IB ACIO Exam

  • Visit the official website of the Ministry of Home Affairs.
  • Click on the "Register" option.
  • Fill in your basic details such as name, address, phone number etc.
  • Verify the OTP to confirm your communication details.
  • Read the instructions carefully before filling the IB ACIO application form.
  • Fill in your particulars carefully.
  • Upload a clear, scanned copy of your photograph and signature.
  • Make the application fee payment.
  • Take a printout of your application and fee receipt for reference.
  • Once the registration is successful, you will receive the confirmation by SMS or email.

IB ACIO Exam Admit card

After filling the application form, eligible candidates can access the admit card from the official MHA website. The admit card for the IB ACIO exam is yet to be released.

List of Vacancies

The number of vacancies for the next IB ACIO exam is yet to be announced. Candidates should keep checking the official website to know more when the vacancies are announced. Here is a list of vacancies announced for 2021:


IB ACIO Exam Reservation List

The IB ACIO Recruitment examination will follow Government-mandated reservation policies. Candidates can check the category-wise vacancies of 2021 under the 'List of Vacancies' section.

IB ACIO Selection Process

The selection process consists of 3 levels:

1. Tier I (objective-type)
1. Tier II (descriptive type)
1. Tier III (Interview)

IB ACIO Exam Pattern

Here's a breakdown of the weightage that each section in the IB ACIO exam carries:

Tier I:

SectionsTotal Number of QuestionsTotal Marks
General Awareness2020
Quantitative Aptitude2020
Analytical Ability2020
English Language2020
General Studies2020

Note: The time duration is 60 minutes. Incorrect answered will cost candidates a 0.25 mark. Candidates must secure a minimum of 33 out of the total of 100 in the Tier I exam to qualify for Tier II.

Tier II:

SectionTotal Marks
Essay Writing30
Comprehension and Precis Writing20

Note: The time duration is 60 minutes.

IB ACIO Exam Syllabus

The overall syllabus includes the following:

General AwarenessHistory, Geography, Culture, Economic trend, General Polity, and Scientific Research of India and its neighbouring countries, Science, Books and Authors, Current Affairs, Sports, Important Days, Important Schemes, Portfolios, and People in News
Quantitative AptitudeWhole numbers, decimals and fractions, Relationships between numbers, Discount, Profit and Loss, Partnership Business, Time and Distance, Percentage, Time & Work, Ratio and Proportion Averages, Interest, Square roots, Basic Algebraic, Surds, Triangles, Graphs of Linear Equations, Congruence and similarity of triangles, tangents, Circle and its chords, Quadrilaterals, Circle, Right Prism, Regular Polygons, Right Circular Cone, Sphere, Right Circular Cylinder, Heights and Distances, Frequency polygon, Histogram, Bar diagram, Pie chart, Rectangular Parallelepiped, Hemispheres, Regular Right Pyramid, Trigonometric ratio, Standard Identities, Degree and Radian Measures, Complementary angles
Analytical AbilityArrangements and pattern, Coding decoding, Order and Ranking, Syllogism, Linear Seating arrangement, Mathematical Inequalities, Blood relations, Circular Seating arrangement, Classification, Scheduling
English LanguageSentence Arrangement, fill in the blanks, Sentence Improvement, Sentence Completion, Spotting Error, Idioms and Phrases, Antonyms, Para Completion, Synonyms, Error Correction, Substitution, Active and Passive Voice, Joining Sentences, Error Correction, Prepositions, Passage Completion

IB ACIO Exam Results

The IB ACIO results are yet to be released. Candidates are advised to keep checking the official website for their results.

IB ACIO Exam Cut-off

The cut-offs for 2021 are yet to be released, but provided below is a category-specific list of cut-offs as announced for 2018:

Tier I:

CategoryCut off

Tier II:

CategoryCut off

IB ACIO Job Profile

Here are the duties that an IB ACIO post includes:

  • Gathering secret information that shields national security
  • Tracking major information and clues that might harm the states
  • Collecting intelligence information, including currency exchange issues, trespassing discrepancies, illegal/unethical trafficking, and more

IB ACIO Salary Details

Pay ScaleINR 44,900 to INR 1,42,400
Grade PayINR 4,600
Basic PayINR 13,500
CPC Fitment FactorINR 35,370
HRAINR 4,050
Transport AllowancesINR 3,200
Gross PayINR 42,600

IB ACIO Examination Analysis

  • The Tier I exam will consist of objective-type MCQs.
  • Each correct answer in the Tier I exam will fetch 1 mark, and each wrong answer will cost 0.25 mark.
  • The Tier II exam will be a descriptive paper of 1 hour.

Here is a detailed idea about the difficulty level for various sections:

TopicDifficulty Level
EssayModerate to Difficult
English Reading Comprehension and Precis WritingModerate
General AwarenessEasy to Moderate
Quantitative AptitudeEasy to Moderate
Analytical AbilityModerate
English LanguageEasy to Moderate
General StudiesEasy to Moderate
OverallEasy to Moderate

Here is a detailed idea about the number of good attempts for various sections:

TopicNumber of Good Attempts
General Awareness12 to 15
Quantitative Aptitude12 to 15
Analytical Ability10 to 16
English Language13 to 14
General Studies15 to 17
Overall70 to 75

Preparation Tips for IB ACIO Exam

Candidates preparing for IB ACIO are well-advised to do the following:

  • Solving practice/mock papers to gauge their preparations well. Getting into a habit of solving 1 model paper a day is a good way of keeping oneself prepared before the exam.
  • Focusing on all-round development instead of studying solely from books is an important part of the IB ACIO exam preparation. Candidates should make use of online trial tests and study guides to gain that competitive edge.
  • Allotting a specific number of mathematics exercises daily from different subtopics and solving them diligently. Focusing on the errors and redoing the incorrect problems over and over again is advisable.
  • Reading local newspapers will provide a good base for general knowledge and current affairs.
  • Speaking with those in the vicinity about current affairs, watching TV shows and movies will be beneficial.
  • Practicing dialogues in front of the mirror to improve confidence and speaking skills is highly advised for the interview.

IB ACIO Exam Previous Years Question Papers

Candidates can find some previous question papers by following these links:

Previous Years' Paper:

Model Paper:

Here are some books for the General Studies section:

An Introduction to the Constitution of IndiaD D Basu
Perspectives on Indian ConstitutionSubash Kashyap
Biology, Physics, Chemistry8th to 12th standard NCERT
Modern IndiaBipin Chandra
History of Modern IndiaAC Banerjee
Anatomy and PhysiologyEvelyn Pearce
An Evolution of Indian EconomyI. C. Dhingra
Indian EconomyDutt and Sundaram
General Principles of World GeographyCharles Farro

Quantitative Aptitude:

Magical Book on Quicker MathematicsM. Tyra
Data InterpretationArun Sharma
Quantitative AptitudeR. S. Aggarwal
Fast Track Objective Arithmetic Fourth edition (2018)Rajesh Verma

General Awareness:

Quick General AwarenessDisha Publications
Advanced Objective General KnowledgeS. Chand
General Awareness for Competitive ExamsDisha Experts
General KnowledgeLucent
General Knowledge ManualPearson Publications

English Language:

Book nameAuthor
Better EnglishNorman Lewis
Objective General EnglishR.S. Agarwal
High School English Grammar, and CompositionWren and Martin
From Plinth to ParamountNeetu Singh
Competitive General EnglishKiran Prakashan
Perfect Competitive EnglishV.K. Sinha

Analytical Ability:

A Modern Approach to Logical ReasoningR. S. Aggarwal
How to Prepare for Logical ReasoningArun Sharma
Multidimensional ReasoningMishra and Kumar Dr. Lal
A Modern Approach to Verbal and Non-Verbal ReasoningR. S. Aggarwal
Analytical ReasoningMK Panday
A New Approach to Reasoning Verbal and Non-VerbalB.S. Sijwali and Indu Sijwali

Study Plan for IB ACIO Exam

Any candidate interested in cracking the IB ACIO exam should plan to do the following:

  • Read books on English phrases and idioms, and try to incorporate them in daily conversations. Practice speaking in front of the mirror and inculcate confidence for the interview process.
  • Check the Public Information Bureau website regularly and read newspapers such as The Hindu, The Economist, and The Economic Times to stay updated with current affairs.
  • Dedicate 6-8 hours to studying in a day; more than that can be exhaustive.
  • Make comprehensive notes for every chapter and gather the common topics of all help books together so as to avoid feeling overwhelmed with the syllabus.
  • Get into a daily routine and always begin your preparations early.

Candidates are advised to carry all necessary documents to the exam centre. Furthermore, candidates should positively bring the following:

  • Admit Card
  • Government-issued ID for identity verification

Candidates are advised to keep checking the official website for any new notifications regarding the IB ACIO Exam. The payment ID must be kept handy after paying for the application form, as it may be necessary in case of discrepancies.

Candidates must begin preparations as early as possible to avoid unnecessary last-minute stress. After all, the mind is at its strongest when it's relaxed. With that said, aspirants must have faith in their preparations and the hard work they've put in.

All the best!