On behalf of the Intelligence Bureau, the Ministry of Home Affairs (MHA) is going to conduct the IB JIO Exam 2025 for Junior Intelligence Officer (JIO) Grade-II/Tech posts. IB JIO Tier 1 Online Exam is scheduled for 15th October 15 2025, candidates should thoroughly understand the IB Junior Intelligence Officer Syllabus for each subject and start revision on the right track. In this article, we have discussed the IB JIO Syllabus to help candidates in preparing effectively.
IB Junior Intelligence Officer Syllabus and Exam Pattern 2025
IB JIO Syllabus 2025 includes 2 sections: General Mental Ability and Subject-Related questions. Candidates. Knowing the subject-wise syllabus provides candidates with clarity on what to study and what to skip, preventing them from wasting time on irrelevant topics in the IB JIO 2025 Exam.
| IB JIO Syllabus and Exam Pattern 2025 Overview | |
| Organization | Intelligence Bureau (IB) |
| Post | Junior Intelligence Officer (JIO) |
| Mode of Exam | Online |
| IB JIO Exam Date 2025 | 15th October 2025 |
| Number of Questions | 100 |
| Total Marks | 100 |
| Sections |
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| Duration | 2 Hour |
| Selection Process |
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| Official Website | www.ncs.gov.in or www.mha.gov.in |
IB Junior Intelligence Officer Exam Pattern 2025
The first stage of the selection process will be an online exam, which will consist of a total of 100 questions for a total of 100 marks. The candidates have to complete their exam within a time limit of 2 hours. The exam will include 2 parts, i.e., part 1 will be of General Mental Ability with a total of 25 questions, and part 2 will be subject-related, in which 75 questions will be asked.
| Part | Subjects | Questions | Marks | Time Duration |
| Part 1 | General Mental Ability | 25 | 25 | 2 hours |
| Part 2 | Subject Related | 75 | 75 | |
| Total | 100 | 100 | ||
IB JIO Syllabus 2025
IB Junior Intelligence Officer Syllabus 2025 provides candidates with a clear outline of the subjects and topics they need to prepare for the examination, helping them to avoid wasting their time on irrelevant topics. Below, we have mentioned the subjects and topics from which the questions will be asked in the IB Junior Intelligence Officer Exam 2025.
IB JIO Syllabus 2025 for General Mental Ability
The IB Junior Intelligence Officer Syllabus for the General Mental Ability section includes the topics from General History, Current Affairs, Geography, Polity etc.
- Indian History
- Current Affairs
- Indian Geography
- Indian Polity
- Important Days and Dates
- Percentage
- Number System
- Time and Work
- Profit and Loss
- Data Interpretation
- Coding Decoding
- Series
- Logical and Analytical Reasoning
- English Vocabulary
- Cloze Test
- Error, etc.
IB JIO Syllabus 2025 for Electronics and Telecommunication Engineering
The IB JIO exam includes questions from the Electronics and Telecommunication Engineering section covering the following topics.
- Electronic Components & Materials
- Electronic Devices and Circuits
- Digital Electronics
- Linear Integrated Circuit
- Electronic Measurements
- Microprocessor and Microcontroller
- Communication Engineering
- Electronic Measurements
- Data Communication and Network
- Computer Programming
IB JIO Syllabus 2025 for Computer Science Engineering
In the IB JIO exam for Computer Science Engineering subjects, questions are asked from MS Windows, MS Word, MS Excel & MS-PowerPoint, and other details regarding the CS.
- Computer Fundamentals
- MS Windows, MS Word, MS Excel & MS-PowerPoint
- Computer Organization
- C Language
- Information Systems
- DBMS fundamentals
- Data Structure using C++
- Operating System using LINUX
- System Programming
- Web Technologies and Programming
- System Analysis and Design
- Data and Network Communication etc
