IB JIO Syllabus, Exam Pattern & Subject-Wise Topics 2026

The Intelligence Bureau (IB) conducts the Junior Intelligence Officer (JIO) recruitment exam to select eligible candidates for prestigious technical roles. Preparing for this online competitive examination requires a thorough understanding of the syllabus, exam structure, and marking scheme. Candidates can gather official notifications and updates from platforms like www.ncs.gov.in and www.mha.gov.in.

IB JIO Exam Pattern 2026 Overview

The IB JIO exam mode is online, consisting of a total of 100 questions and carrying 100 total marks. The duration of the exam is 2 hours. Below is a comprehensive overview of the examination structure and guidelines.

Detailed Section Distribution

IB JIO Selection Process

Candidates aiming to secure a position must clear multiple stages of evaluation. The selection process consists of Tier I (Online Exam), Tier II (Skill Test), and Tier III (Interview).

• Tier I- Online Exam
• Tier II- Skill Test
• Tier III- Interview

IB JIO Syllabus Breakdown

Part 1 of the exam focuses on General Mental Ability, containing 25 questions and 25 marks. Part 2 of the exam focuses on Subject-Related modules, containing 75 questions and 75 marks. Review the detailed checklists below for subject-wise syllabus components.

IB JIO Syllabus for General Mental Ability

• 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 for Electronics and Telecommunication Engineering

• 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 for Computer Science Engineering

• 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

Next Steps & Preparation Resources

After reviewing the syllabus and exam pattern, candidates should prioritize practicing with official notifications and reference materials. To gauge your preparation level effectively, check out the IB Junior Intelligence Officer Previous Year Question Papers. Additionally, aspirants can review financial and career prospects by consulting the IB Junior Intelligence Officer Salary 2026 – Click to Check. Ensure you download your admit cards on time and prepare your travel documents well in advance of the online examination date.