About the Exam:

Intelligence Bureau- Assistant Central Intelligence Officer (IB ACIO) Examination is going to be conducted by the Home Ministry. The notification for the same has been released on 18th December 2020 by the Home Ministry (MHA). Online applications are invited from Indian Nationals for direct recruitment to the post of Assistant Central Intelligence Officer, Grade II/ Executive i.e. ACIO-II / Exe in IB, (Ministry of Home Affairs), Government of India.

IB ACIO 2021 Notification

The Home Ministry on their Official Website has released an Official Notification for the post of General Central Service, Group 'C' (Non-Gazetted, Non-Ministerial) post. Candidates fulfilling eligibility criteria of the post may apply ONLINE through www.mha.gov.in.

IB ACIO Recruitment 2021: Highlights

Sr. No. Event Dates
1 IB ACIO Official Notification December 19, 2020 (Tentative)
2 Online Application Starting Date December 19/20, 2020
3 Online Application Closing Date January 9, 2021
4 IB ACIO Tier 1 Admit Card To be notified later
5 IB ACIO Exam Date To be notified later
6 IB ACIO Tier 2 Admit Card To be notified later
7 IB ACIO Tier 2 Exam Date To be notified later
8 IB ACIO Interview Date To be notified later

Number of Vacancies

The recruitment drive for the post of Assistant Central Intelligence Officer (ACIO) is being carried out to fill a total of 2,000 posts. The candidates interested or waiting for the recruitment can apply after confirming their eligibility criteria for the vacancies. Check State-wise and category-wise vacancy details here.

Sr. No. Category Vacancy
1 General 989
2 OBC 417
3 EWS 113
4 SC 360
5 ST 121
  Total 2000

Eligibility Criteria for IB ACIO 2021

Graduation or equivalent from a recognized university. The age limit of the applicants has been set between 18 to 27 years.

Desirable: Knowledge of Computers.

IB ACIO Exam Pattern 2021

The IB ACIO selection process consists of three stages. The written examinations are conducted online, followed by an interview round. The first phase consists of Online preliminary exam and Descriptive Exam. Online preliminary exam consists of 100 questions, which is divided into five sections of 20 questions each. The descriptive exam consists of essay writing and precise writing.

Detailed IB ACIO exam pattern 2021 is as follows:

Online Preliminary Exam:

Subjects Total Marks Time
General Awareness 100 1 Hour
Quantitative Aptitude
Numerical/Logical/analytical ability and reasoning
English language
General Studies
Note: There will be a negative marking for 0.25 marks for every wrong answer in the objective type questions.

Description Paper Exam Pattern:

Papers Maximum Marks Time
Essay 30 1 Hour
English comprehension & précis writing 20
Total 50 1 Hour


Interview Maximum Marks
Interview 100
Note: Candidates appearing in interviews may be subject to Psychometric/Aptitude Test which will be a part of interview.

Application Fees for IB ACIO 2021

Examination Fee: Rs. 100/- 

Recruitment Processing Charges: Rs.500/-

Category Fee to be paid
Male candidates of General, EWS and

OBC categories
Examination Fee + Recruitment

Processing Charges
All SC/ST, all female candidates & all ExSM Recruitment Processing Charges only

Best Series for IB ACIO 2021

For the best guidance aspirants are advised to practice regular mock test provided by Testzone. The content at Testzone is developed by Real Exam Qualifier’s. High Quality content is being developed for Testzone by exam qualified candidates and same is uploaded regularly at Smartkeeda. Every question selected by the team is followed by a detailed explanation. In areas such as Reasoning and Quantitative aptitude, we have illustrations so that you can understand the logic behind it.

For Best Test Series for IB ACIO 2021 click here

IB ACIO Salary

Pay Scale Level-7 (Rs 44,900/- - Rs 1,42,400/-) in the pay matrix plus admissible central govt allowances
In addition to the basic pay, the candidate is allowed to the following benefit:

(i) Special Seciruty Allowance @20% of basic pay in addition to other govt allowances

(ii) Cash compensation in lieu of duty performed on holidays subject to a ceiling of 30 days.

IB ACIO 2021 Syllabus: Section Wise

The preliminary exam for IB ACIO 2021 will consists of five sections of 20 questions each. The detailed syllabus for each section is given below. Any eligible candidate who aspires to join in IB ACIO is required to prepare the section syllabus thoroughly.

Reasoning Ability:

Alphanumeric series Reasoning Analogies
Artificial Language Blood Relations
Calendars Cause and Effect
Clocks Coding-Decoding
Data Sufficiency Decision Making
Directions Input-Output
Odd One Out Puzzles
Order & Ranking Statement and Assumptions
Statement and Conclusions -

Quantitative Aptitude:

Number systems Percentages Ratios
Mensuration Ratio and Time Factoring
Averages Profit and loss Average
Fundamental Arithmetical Operations Computation of whole numbers Simple and Compound Interest
Use of tables and graphs Decimals Series Completion
Relationship between numbers Operations Research & Linear Programming Analytical Geometry
Differential Geometry Dynamics LCM and HCF
Essential Mathematics Calculus Age
Real Analysis Fundamental Arithmetical Operations Prices and Expenditure Problems
Computation of Whole numbers Time and Distance Volume
Ration and Proportion Interest Time and Work
Discount Algebra Fractions
Differential Equations Statistics Missing Numbers

English Language Section:

Spellings Correction One Word Substitution
Improvement Verbal Comprehension Passage
Adjectives Detecting Mis-spelt words
Idioms and Phrases Passage
Verbs Clauses
Fill in the blanks Spot the error
Synonyms/Antonyms Vocabulary
Grammar Sentence Structure

General Awareness and General Studies:

History Physics
Biology Current Affairs
Science & Technology Static GK
Indian Polity & Constitution Economy & Finance
Geography Chemistry