Ministry of Home Affairs invites online applications from Indian Nationals for direct recruitment to the post of Assistant Central Intelligence Officer, Grade-II/ Executive i.e. ACIO-II/Exe in IB. The recruitment examination has three phases. Tier 1 has five parts/subjects and Tier 2 consists of an Essay, English comprehension & précis writing. The candidates preparing for the examination must follow selected books to score well in the examination. The important books to study for IB ACIO preparation are given in the article

Candidates can complement their preparation for Govt. Exams from the links given below:

Government Exam 2022

IB ACIO Tier 1 Books

The Tier 1 exam of IB ACIO is conducted only in online mode. The exam consists of 5 parts/subjects and 100 objective questions. The 5 parts of the examination are

  • General Awareness
  • Quantitative aptitude
  • Numerical/analytical/logical ability & reasoning
  • English language 
  • General studies

Important books to cover all the above mentioned parts/subjects are given below in the table

Part/Subject Important Books
General Awareness
  • Advanced Objective General Knowledge- S.Chand
  • Current Affairs- Lucent
Quantitative aptitude
  • Quantitative Aptitude for Competitive Exam by R.S. Agarwal
  • Fast Track Objective Arithmetic by Arihant Experts
Numerical/analytical/logical ability & reasoning
  • Verbal and Non Verbal Reasoning by RS Aggarwal
  • A Modern Approach to Logical Reasoning by R S Aggarwal
  • Tricky Approach to Competitive Reasoning Verbal and Non Verbal by Kiran publications
English language
  • Objective General English by SP Bakshi
  • High School English Grammar and Composition by Wren and Martin
  • Word Power Made Easy by Norman Lewis
General studies
  • NCERTs from 6th to 12th

IB ACIO Tier 1 Books

The Tier 2 of IB ACIO is a descriptive paper. It consists of an Essay and English comprehension & précis writing with a total weightage of 50 marks. Important books to cover these important parts/subjects are given below in the table

Part/Subject Important Books/Study Material
  • Quarterly Current Affairs by Disha Publications
  • 151 Essays for IAS/PCS by Disha Publications
English comprehension & précis writing 
  • Descriptive English by SP Bakshi and Richa Sharma 
  • Descriptive (For All Competitive Examinations) by SJ Thakur and SK Raut 
  • Wren & Martin English for Competitive Examinations
  • Kiran Ssc Cgl Tier Iii Descriptive Exam Practice Work Book

Bank Exams 2022

Related Links

IB ACIO Exam Dates IB ACIO Books
IB ACIO Result IB ACIO Vacancy
UPSC CAPF Admit Card IB ACIO Exam pattern
IB ACIO Recruitment IB ACIO Exam Centres


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