Government Exams · Syllabus

RRB JE (Junior Engineer) Syllabus 2026

The complete RRB JE (Junior Engineer) syllabus for 2026 — 8 sections and 72 topics in all, organised exactly as the Railway Recruitment Boards (RRBs) prescribes. Use it as your revision checklist, then test yourself with a free RRB JE (Junior Engineer) mock below.

Mathematics (CBT 1)11 topics

Number system, BODMAS, decimals, fractions, LCM & HCF
Percentages, profit and loss, discount
Ratio and proportion, partnership, average, age problems
Simple and Compound Interest
Time and work, pipes and cisterns
Time, speed and distance (trains, boats and streams)
Mensuration (2D — triangles, circles; 3D — cube, cylinder, cone, sphere)
Basic algebra (linear and quadratic equations)
Geometry (triangles, circles, polygons)
Trigonometry basics (ratios, identities, heights and distances)
Elementary statistics and data interpretation (tables, bar/pie charts)

General Intelligence & Reasoning (CBT 1)11 topics

Analogies (word, number, alphabet)
Number, letter and alphanumeric series
Coding-decoding (fictitious, conditional, mathematical)
Classification (odd-one-out)
Mathematical operations and BODMAS-based reasoning
Blood relations (multi-step) and direction sense
Syllogisms (2-3 statement), statement-conclusion
Ranking and seating arrangement (linear, circular)
Venn diagrams and set-based reasoning
Calendar (day from date) and clock (angle calculation)
Decision making, data sufficiency

General Science (CBT 1)4 topics

Physics — motion, force, work-energy-power, heat, sound, light, electricity, magnetism (Class 10 NCERT)
Chemistry — atomic structure, periodic table, acids/bases/salts, metals and non-metals, common chemical formulae
Biology — cell, life processes, human body systems (digestive, respiratory, circulatory), plant biology, common diseases and vitamins
Everyday science applications (cooking, electricity at home, common chemicals)

General Awareness (CBT 1 + CBT 2)8 topics

Current affairs of national and international importance (last 6-12 months)
Indian Geography (states, rivers, mountains, climate, natural resources)
Indian Polity (Constitution basics, key Articles, Parliament, judiciary)
Indian History (ancient, medieval, modern — freedom struggle)
Indian Economy (RBI, major schemes, basic concepts)
Indian Railways — zones, divisions, major routes, key milestones, recent projects (Vande Bharat, KAVACH, Gati Shakti)
Engineering and infrastructure context (DRDO, ISRO, BARC, NHAI, Bharatmala, Sagarmala, Smart Cities)
Sports, awards, books, persons in news, places in news

Physics & Chemistry (CBT 2)10 topics

Physics — Mechanics (laws of motion, work-energy, gravitation)
Physics — Thermal (heat, calorimetry, thermodynamics basics)
Physics — Waves and Optics (refraction, reflection, lenses, mirrors)
Physics — Electricity and Magnetism (Ohm's law, EMI basics, capacitors)
Physics — Modern Physics (atomic structure, nuclear basics, photoelectric effect)
Chemistry — Atomic structure, periodic table, chemical bonding
Chemistry — States of matter, thermodynamics basics, equilibrium
Chemistry — Acids, bases, salts, redox basics, electrochemistry basics
Chemistry — Organic basics (hydrocarbons, functional groups)
Chemistry — Inorganic basics (s-block, p-block fundamentals, common compounds)

Basics of Computers & Applications (CBT 2)10 topics

Computer architecture — CPU, RAM, ROM, hardware vs software
Input/output devices and storage media
Number systems (binary, octal, hexadecimal conversions)
Operating systems — Windows, Linux (basic concepts, file system)
MS Office — Word, Excel, PowerPoint key features and shortcuts
Internet and email basics, web browsers
Networking fundamentals — LAN, WAN, IP, DNS, HTTP/HTTPS
Cybersecurity basics — firewall, antivirus, phishing, password hygiene
Database basics — DBMS, primary key, basic SQL
Cloud computing basics (IaaS / PaaS / SaaS conceptual)

Basics of Environment & Pollution Control (CBT 2)10 topics

Ecosystem — biotic and abiotic components, food chains and food webs
Biodiversity — types, hotspots, biosphere reserves of India, conservation strategies
Air pollution — causes, effects, control measures, AQI
Water pollution — sources, effects, treatment basics (BOD, COD)
Soil and noise pollution — causes, effects, control
Climate change — greenhouse effect, ozone depletion, global warming
Major environmental laws — Environment Protection Act 1986, Wildlife Protection Act 1972, Air Act 1981, Water Act 1974
International conventions — Kyoto Protocol, Paris Agreement, Montreal Protocol
Renewable and non-renewable energy sources
Current environmental issues — forest fires, plastic ban, air quality

Engineering Discipline — Technical Abilities (CBT 2, 100 questions)8 topics

Civil — Building materials, surveying, soil mechanics, hydraulics, irrigation, transportation, environmental engineering, structural analysis, RCC and steel design, estimation and costing
Mechanical — Engineering mechanics, strength of materials, thermodynamics, fluid mechanics, heat transfer, IC engines, manufacturing processes, theory of machines, material science
Electrical — Basic concepts (Ohm's, Kirchhoff's, network theorems), circuit theory, electrical machines (DC/AC/transformers/induction), power systems, power electronics, control systems, measurements, utilization
Electronics & Communication — Electronic devices, analog and digital circuits, signals and systems, communication systems, microprocessors
Signal & Telecom — Signal engineering basics, axle counters, point machines, interlocking, optical fibre and microwave communication, railway telecom networks
JE (IT) — Programming fundamentals (C / Python), data structures, DBMS, operating systems, computer networks, web technology basics, software engineering
Chemical & Metallurgical (CMA) — Process engineering, metallurgy, materials testing, water and oil analysis (relevant to railway workshops)
Depot Material Superintendent (DMS) — Stores management, inventory control, procurement procedures, basic engineering fundamentals

Know the syllabus — now see where you stand.

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