IB Junior Intelligence Officer (JIO) Syllabus 2025 – Exam Pattern, Subject-Wise Topics, PDF

🔹 Introduction

The Intelligence Bureau (IB) under the Ministry of Home Affairs (MHA) conducts the IB JIO Recruitment 2025 exam for Junior Intelligence Officer (JIO) Grade-II/Technical. This recruitment drive, part of the ib recruitment 2025, offers 394 vacancies and is one of the most sought-after ib intelligence officer recruitment opportunities for diploma and degree holders in electronics, computer science, IT, physics, and mathematics. To succeed in the IB Exam 2025, candidates must carefully go through the IB JIO syllabus and exam pattern. This guide explains the IB Junior Intelligence Officer syllabus, exam stages, section-wise topics, weightage, and preparation strategy.

🔹IB Junior Intelligence Officer Exam Pattern 2025

The IB Exam pattern for Junior Intelligence Officer is multi-tiered, ensuring a holistic assessment. The IB Junior Intelligence Officer exam pattern is divided into three stages. The IB Junior Intelligence Officer exam pattern 2025 includes:

Tier-I: Online Written Examination

Mode: Computer-Based Test (CBT)
Type: Objective Multiple-Choice Questions (MCQs)
Total Questions/Marks: 100 questions for 100 marks
Duration: 2 hours
Sections:
- General Mental Ability: 25 questions (25 marks)
- Combination of Subjects (as per qualification): 75 questions (75 marks)
Negative Marking: ¼ mark deducted for each wrong answer
Qualifying Marks: UR/EWS – 35%, OBC – 34%, SC/ST – 33% (out of 100)
Language: English and Hindi (except technical subjects)

The subject combination depends on the candidate’s qualification (e.g., IB JIO computer science syllabus for IT-related diplomas). No marks for unanswered questions.

Tier-II: Skill Test

Nature: Practical assessment of technical skills
Marks: 30 (qualifying but included in merit)
Duration: As specified during the test
Focuses on hands-on abilities in electronics, computing, etc.

Tier-III: Interview/Personality Test

Marks: 20
Assesses communication, decision-making, and suitability for intelligence roles.

IB Junior Intelligence Officer exam pattern Simplified in Tabulated form

Tier	Mode	Sections	Marks	Duration	Remarks
Tier-I	Computer-Based Test (CBT)	General Mental Ability (25 Qs, 25 Marks) + Technical Subject (75 Qs, 75 Marks)	100	2 Hours	Objective MCQs, negative marking (–0.25 per wrong answer).
Tier-II	Skill/Practical Test	Technical hands-on tasks	30	—	Tests core technical knowledge.
Tier-III	Interview/Personality Test	Communication, analytical ability, suitability for IB	20	—	Final stage, counts to merit.

Final merit is based on Tier-I + Tier-II + Tier-III scores. Shortlisting for Tier-II/III is 5 times the vacancies based on Tier-I normalized scores. In case of ties, priority is given to higher Tier-III marks, then Tier-II, Tier-I, and date of birth (older candidates preferred).

For IB Junior Intelligence Officer exam pattern details, download the PDF from official sources.

(Source: IB Junior Intelligence Officer Notification 2025)

🔹 IB JIO Syllabus 2025 – Subject-Wise

The IB JIO syllabus is broadly divided into two parts:

1️⃣ General Mental Ability (Common to All) (25 question)

This section tests logical reasoning and quantitative skills, similar to other competitive exams like IB security assistant or IB assistant syllabus components:

Reasoning: Alphanumeric Series, Analogies, Blood Relations, Coding-Decoding, Data Sufficiency, Directions, Embedded Figures, Logical Reasoning, Syllogism, Order & Ranking, Puzzles, Classifications, Input-Output, Mirror Images, Non-Verbal Reasoning.
Quantitative Aptitude: Averages, Percentages, Profit & Loss, Time & Work, Simple & Compound Interest, Number Systems, HCF/LCM, Time-Speed-Distance, Simplification, Mixtures & Alligations, Ratio & Proportion, Mensuration, Data Interpretation.
General Awareness (if integrated): Basic current affairs, Indian History, Geography, Polity (though primarily mental ability-focused).

2️⃣Technical Section- Essential Subjects (75 Questions)

This is the core part of IB Junior Intelligence Officer syllabus. The topics depend on your educational qualification (Diploma/Graduation).

Based on qualification:

🔸Electronics (For Diploma in Electronics/E&T/E&C/EEE)

Aligned with IB JIO Tech syllabus:

Digital Electronics: Logic Gates (AND, OR, NOT, NAND, NOR, XOR, XNOR), Boolean Algebra, Karnaugh Maps, Number Systems (Binary, Decimal, Hex), Adders/Subtractors, Multiplexers/Demultiplexers, Flip-Flops, Counters, Shift Registers, ROM/RAM, Programmable Logic Devices (PLD).
Analog Electronics & Electrical: Resistance, Capacitance, Inductance, Voltage/Current Sources, Kirchhoff’s Laws, Network Theorems, Transformers, Oscilloscopes, Power Supplies, Welding, Star/Delta Connections, AC/DC Motors.
Communication & Other: Modulation/Demodulation, Antennas, Wave Propagation, Circuit Elements, DC Circuits, Magnetism, Electromagnetic Induction, Semiconductors, Diodes, Transistors, Amplifiers, Oscillators.

🔸Computer Science/IT (IB JIO Computer Science Syllabus)

For Computer-related qualifications:

Fundamentals: Computer Generations, Hardware/Software, CPU, Memory (RAM/ROM), Input/Output Devices, Operating Systems, Viruses, Windows Shortcuts.
Networking: OSI Model, TCP/IP, UDP, Network Devices (Router, Switch, Hub), Topologies, Internet Basics, Congestion Control, Protocols (HTTP, FTP).
MS Office: Word (Formatting, Mail Merge), Excel (Formulas, Charts), PowerPoint (Slides, Animations).
Programming Basics: Concepts of Algorithms, Flowcharts, Basic C/C++/Java (not advanced coding), Data Structures (Arrays, Linked Lists).
Other: Database Management (SQL Basics), Cybersecurity, Computer Applications.

🔸Physics (For B.Sc. Physics)

General Physics: Units & Measurements, Laws of Motion, Work/Energy/Power, Gravitation, Fluid Mechanics, Oscillations & Waves, Sound.
Thermal Physics: Heat & Temperature, Thermodynamics, Kinetic Theory of Gases.
Electricity & Magnetism: Electric Charges/Fields, Circuits, Magnetic Effects of Current, Electromagnetic Induction, Alternating Currents.
Optics: Reflection/Refraction, Lenses, Optical Instruments, Wave Optics, Interference/Diffraction.
Modern Physics: Dual Nature of Matter, Atoms & Nuclei, Semiconductors, Relativity Basics.

🔸Mathematics (For B.Sc. Mathematics)

Algebra & Geometry: Sequences/Series, Matrices/Determinants, Complex Numbers, Quadratic Equations, Coordinate Geometry (Lines, Circles, Conics), 3D Geometry.
Calculus: Limits/Continuity, Differentiation, Integration, Applications (Maxima/Minima, Area/Volume), Differential Equations.
Probability & Statistics: Permutations/Combinations, Binomial Theorem, Probability Distributions, Mean/Median/Mode, Standard Deviation.
Other: Vector Algebra, Trigonometry, Linear Programming, Inequalities.

The syllabus for IB JIO emphasizes conceptual understanding over rote learning. For complete subject-wise topics, download the IB syllabus PDF.

IB Syllabus PDF Download

The official IB JIO syllabus PDF is available on the MHA website (www.mha.gov.in) under the recruitment section. Direct link: IB JIO Syllabus PDF Download.

🔹 Skill Test (Tier-II)

Hands-on practical test in your specialization (electronics circuits, programming basics, networking, physics lab work, or mathematics problem-solving).
Weightage: 30 marks.

🔹 Interview/Personality Test (Tier-III)

Weightage: 20 marks.
Evaluates communication skills, general awareness, and suitability for IB’s sensitive intelligence roles.

🔹 IB JIO Previous Year Papers

Candidates should solve IB JIO previous year paper to understand:

Level of difficulty
Weightage of topics
Repeated questions

It helps in managing speed + accuracy, crucial under negative marking conditions.

🔹 Salary after IB JIO Recruitment 2025

Pay Level 4: ₹25,500 – ₹81,100/month
In-hand Salary: ~₹36,500
Additional allowances: DA, HRA, TA, Special Security Allowance (20%), medical, pension (NPS).

(Search term alignment: IB Junior Intelligence Officer salary, IB Junior Intelligence Officer grade ii salary)

🔹 Preparation Strategy

Cover General Mental Ability daily (reasoning + quant).
Allocate major time to technical subject (75%).
Use standard textbooks + online mocks.
Solve at least 5–10 previous year IB JIO papers.
Revise formulas, circuits, and basics weekly.
Focus on accuracy to minimize negative marking.
Stay updated on official ib recruitment 2025 exam date for planning.

🔹 FAQs

Q1. What is the official IB JIO syllabus 2025?
➡️ It includes 25% general mental ability and 75% technical subject, based on your qualification.

Q2. Is there negative marking in IB Junior Intelligence Officer exam?
➡️ Yes, 0.25 marks will be deducted per wrong answer.

Q3. Where can I get the official IB JIO notification 2025 PDF?
➡️ From mha.gov.in.

Q4. What is the exam pattern of IB Junior Intelligence Officer IB 2025?
➡️ Tier-I (100 marks), Tier-II (30 marks), Tier-III (20 marks).

Q5. What is the IB Junior Intelligence Officer salary 2025?
➡️ Pay Level 4, ₹25,500 – ₹81,100 + allowances.

🔹 Conclusion – Rojgar Plus Guidance

The IB Junior Intelligence Officer syllabus 2025 is designed to test both technical knowledge and mental ability. To crack the IB Exam 2025, candidates must give priority to their core subjects, along with practicing reasoning and aptitude daily.

Stay connected with Rojgar Plus for the latest updates on:

IB JIO Recruitment 2025
IB Exam Date 2025
Admit Card, Results, and Sarkari Result IB notifications