The RRB Technician 2026 CBT covers four core subjects for all posts plus trade-specific technical questions based on the ITI trade or Diploma subject applied for.
Mathematics
| Topic Area | Key Topics |
|---|---|
| Arithmetic | Number System, Decimals, Fractions, LCM/HCF, Percentages, Ratio, Averages, Profit/Loss, SI/CI, Time-Work, Time-Distance |
| Advanced Maths | Algebra, Geometry (Lines, Angles, Triangles, Circles), Mensuration, Trigonometry basics, Statistics |
General Intelligence & Reasoning
| Type | Key Topics |
|---|---|
| Verbal | Analogies, Coding-Decoding, Blood Relations, Directions, Series, Statement & Conclusion, Syllogisms |
| Non-Verbal | Mirror Image, Water Image, Paper Folding, Embedded Figures, Pattern Completion, Venn Diagrams |
General Science
| Subject | Key Topics |
|---|---|
| Physics | Units, Motion, Force, Work/Energy, Sound, Light, Electricity, Magnetism, Atomic Physics basics |
| Chemistry | Atomic Structure, Chemical Bonding, Acids/Bases/Salts, Chemical Reactions, Metals/Non-Metals, Carbon Compounds |
| Biology | Cell Biology, Plant/Animal Kingdom, Human Body Systems, Diseases, Nutrition, Ecology basics |
General Awareness & Current Affairs
- Current Events (national and international)
- Indian History, Geography, Polity, Economy
- Science & Technology developments
- Sports, Awards, Government Schemes, Railways-specific GK
Technical Syllabus (Trade-Specific)
- Electrician/Wireman: Electrical circuits, machines, safety, wiring systems
- Fitter/Mechanical: Machine drawing, fitting operations, tools and workshop practice
- Technician Grade I Signal: Electronics (Analog/Digital), Microprocessors, Data Communication, Signal systems