IB ACIO Exam is conducted for the post of Assistant Central Intelligence Officer in the Intelligence Bureau. It is conducted by the Ministry of Home Affairs. IB ACIO Exam is a great opportunity for anyone who aspire to serve in the Intelligence Bureau of the country. In this blog, we provide a brief description about the exam and a list best books for IB ACIO that the candidates can refer, while preparing for the same.
IB ACIO Exam Pattern 2019
Tier I Exam
| Section | No. Of questions | Marks |
| General Awareness | 25 | 25 |
| Quantitative Aptitude | 25 | 25 |
| Logical/ Analytical ability | 25 | 25 |
| English Language | 25 | 25 |
| Total | 100 | 100 |
Tier I exam is objective type. Exam duration is one hour to attend all questions. There will be negative marking and 0.25 mark will be reduced for each wrong answer.
Tier II exam
| Section | Marks |
| Essay writing | 30 |
| English comprehension and precis writing | 20 |
| Total | 50 |
Tier II exam is descriptive type. The duration of exam is one hour and there is no negative marking as in Tier I exam.
Candidates can attend Tier II exam only if they score a minimum of 33 marks in Tier I exam. Based on scores of both Tier I and Tier II, the candidates are evaluated and selected for the next step, which is the interview process.
Best Books for IB ACIO Exam Preparation in 2019
Candidates should choose the right books according to the exam syllabus. There is a phrase that says, ‘Failing to plan is planning to fail’. As the phrase implies, it is of supreme importance that the candidate develops a plan or strategy before starting to study. Hard work and determination is all you need to tackle the examination.
| Name of the Book | Author | Publisher |
| IB ACIO Guide | R.Gupta | Ramesh Publishing House |
| ACIO Practise Workbook | Kiran Prakashan | Kiran Publication |
| IB ACIO Intelligence Bureau Assistant Central Intelligence Officers Written Examination | Unique Research Academy | Unique Publishers |
| IB ACIO Intelligence Bureau Assistant Central Intelligence Officer-Paper I and II | GKP | GK Publication |
| Intelligence Bureau Assistant Central Intelligence Officer Grade II Recruitment Exam | Arihant Experts | Arihant Publications |
| IB ACIO Intelligence Bureau Assistant Central Intelligence Officers-Grade II/ Executive-Paper I and II | GKP | GK Publication |
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