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    RRB JE Syllabus 2025 For CBT 1, 2 and Technical Abilities

    Check the detailed RRB JE Syllabus 2025 and Exam Pattern. Understand selection process and topic-wise RRB JE Syllabus to enhance preparation for the exam.

    The Railway Recruitment Board (RRB) has released the notification for the recruitment of 2570 vacancies, including Junior Engineers, Depot Material Superintendents, and Chemical & Metallurgical Assistants. Candidates preparing for RRB JE 2025 should know the latest RRB JE Syllabus 2025, as this is the key to scoring well in the exam. In this article, we have explained the complete RRB JE Syllabus for different posts to guide you in your preparation. Knowing the syllabus will help you plan better and improve your chances of success in the RRB JE 2025 exam.

    RRB JE Syllabus 2025

    ​The RRB Junior Engineer syllabus is divided into two stages of the exam. CBT 1 covers General Awareness, General Intelligence & Reasoning, Mathematics, and General Science, focusing on basic aptitude and general knowledge. CBT 2 emphasises technical subjects related to the candidate’s engineering discipline (Civil, Mechanical, Electrical, Electronics, etc.), along with reasoning and general awareness.

    Understanding the syllabus will help candidates prioritise high-weightage topics, plan their study schedule, and improve accuracy in both objective and technical questions. Regular practice, previous year papers, and mock tests aligned with the syllabus can significantly enhance a candidate’s chances of success.

    RRB JE Syllabus and Exam Pattern - Highlight

    Here’s a quick overview of the RRB JE syllabus and exam pattern to give you a clear idea of what to expect and how to prepare strategically.

    RRB JE Syllabus 2025
    Conducting Body
    Railway Recruitment Board (RRB)
    Name of the Examination
    RRB Junior Engineer Exam
    Name of the Posts
    Junior Engineers, Depot Material Superintendents, and Chemical & Metallurgical Assistants
    Number of Vacancies
    2570
    Exam Type Level
    All India Level
    Selection Process
    • First Stage of CBT
    • Second Stage of CBT
    • Document Verification
    • Medical Examination
    RRB JE Official Website
    indianrailways.gov.in
    Mode of Exam
    Online
    Type of Questions
    MCQ type
    Negative Marking
    1/3rd

    RRB JE Syllabus 2025 for CBT 1

    The RRB JE Syllabus for CBT 1 exam includes multiple-choice questions covering a wide range of topics, such as Mathematics, General Awareness, Reasoning, and General Science, among others. The detailed, subject-wise syllabus for the RRB Junior Engineer exam is explained here to help candidates understand the topics they need to focus on. By following the RRB JE CBT 1 Syllabus 2025, candidates can boost their preparation.

    Mathematics Syllabus

    In this section, we have provided a detailed breakdown of the Mathematics topics. Candidates preparing for the RRB Junior Engineer Exam should regularly check the updated RRB JE Syllabus for detailed information.

    1. Number systems
    2. BODMAS
    3. Decimals
    4. Fractions
    5. LCM and HCF
    6. Ratio and Proportion
    7. Percentages
    8. Mensuration
    9. Time and Work
    10. Time and Distance
    11. Simple and Compound Interest
    12. Profit and Loss
    13. Algebra
    14. Geometry
    15. Trigonometry
    16. Elementary Statistics
    17. Square Root
    18. Age Calculations
    19. Calendar & Clock
    20. Pipes & Cistern

    General Intelligence and Reasoning Syllabus

    Candidates preparing for the RRB JE 2025 Exam should regularly check the detailed syllabus here to stay updated and ensure thorough preparation.

    1. Analogies
    2. Alphabetical and Number Series
    3. Coding and Decoding
    4. Mathematical operations
    5. Relationships
    6. Syllogism
    7. Jumbling
    8. Venn Diagram
    9. Data Interpretation and Sufficiency
    10. Conclusions and Decision-Making
    11. Similarities and Differences
    12. Analytical reasoning
    13. Classification
    14. Directions
    15. Statement – Arguments and Assumptions, etc.

    General Awareness Syllabus

    In this section, we have discussed the General Awareness Topics in detail. Candidates who are preparing for the RRB JE Exam must keep checking the detailed RRB JE 2025 Syllabus here:

    1. Knowledge of Current affairs
    2. Indian Geography
    3. Culture and history of India, including the freedom struggle
    4. Indian Polity and Constitution
    5. Indian Economy
    6. Environmental Issues Concerning India and the World, Sports, General scientific and technological developments, etc.

    General Science Topics Syllabus

    • Physics, Chemistry, and Life Sciences (up to 10th Standard CBSE syllabus)

    RRB JE Syllabus 2025 for CBT 2

    The RRB JE CBT 2 Syllabus includes multiple-choice questions with several options to choose from. The exam will cover a range of topics, including General Awareness, Physics, Chemistry, Basic Computer Knowledge and Applications, Environmental Studies, and Pollution Control. The syllabus for General Awareness, Physics and Chemistry, Basics of Computers and Applications, and Basics of Environment and Pollution Control is common for all notified posts:

    General Awareness

    1. Knowledge of Current affairs
    2. Indian Geography
    3. Culture and history of India, including the freedom struggle
    4. Indian Polity and Constitution
    5. Indian Economy
    6. Environmental Issues Concerning India and the World, Sports, General scientific and technological developments, etc.

    Physics and Chemistry

    In this section, questions will be asked from the 12th standard Physics and Chemistry Books. Candidates must prepare this section thoroughly as 15 questions will be asked from these subjects.

    Basics of Computers and Applications: Topics for CBT 2 Syllabus

    1. Computers and their architecture
    2. Input & Output devices
    3. MS Office
    4. Storage devices
    5. Operating Systems
    6. Internet and Email
    7. Websites & Web Browsers
    8. Networking
    9. Computer Virus

    Basics of Environment and Pollution Control Topics for CBT 2 Syllabus

    1. Basics of Environment
    2. The adverse effects of environmental pollution
    3. Pollution control strategies
    4. Types of pollution
    5. Waste Management
    6. Global warming
    7. Acid rain
    8. Ozone depletion

    RRB JE Technical Abilities Syllabus

    The Detailed Syllabus for Technical Sections is mentioned below: Candidates who are preparing for the RRB JE Exam must keep checking the detailed RRB JE Syllabus branch-wise here:

    RRB JE Civil Syllabus

    The RRB JE Civil Engineering Syllabus 2025 is summarised in tabular form below for the proper understanding of the candidates:


    Subject / Section
    Key Topics Covered
    Engineering Mechanics
    Force (resolution, moment, system, composition), Equilibrium, Friction, Centroid & Center of Gravity, Simple Machines
    Building Construction
    Building components (substructure, superstructure), Types of structures (load-bearing, framed, composite)
    Building Materials
    Masonry materials (stone, brick, mortar), Timber, Glass, Plastic, Fiber, Aluminum, Steel, Bitumen, PVC, CPVC, PPF
    Construction of Substructure
    Job layout, Earthwork, Foundations (types, dewatering, coffer dams, bearing capacity)
    Construction of Superstructure
    Masonry (stone, brick, hollow concrete block, composite), Cavity walls, Doors & windows, Stairs, Lifts, Escalators, Scaffolding & Shoring
    Building Finishes
    Floors (types & laying process), Walls (plastering, pointing, painting), Roofs (materials including RCC)
    Building Maintenance
    Cracks (types, causes, repairs), Settlement (causes, remedies), Re-barring techniques
    Building Drawing
    Conventions, Planning principles, Rules & byelaws, Drawings (plan, elevation, section), Perspective drawing
    Concrete Technology
    Cement & aggregate properties, Concrete mix design, Testing, Quality control, Special concretes (RCC, precast, fiber-reinforced)
    Surveying
    Types of surveys, Chain, Compass, Leveling, Contouring, Plane table, Theodolite, Tacheometry, Curves, Advanced survey tools, Remote sensing
    Computer-Aided Design (CAD)
    CAD Software (AutoCAD, 3D Max), CAD commands, Generation of plans, 3D views, Area statements
    Geo-Technical Engineering
    Soil properties, Permeability, Shear strength, Bearing capacity, Compaction, Stabilization, Subsoil exploration
    Hydraulics
    Fluid properties, Hydrostatic pressure, Flow in pipes & open channels, Flow measuring devices, Hydraulic machines
    Irrigation Engineering
    Hydrology, Reservoir planning, Percolation tanks, Diversion headworks
    Mechanics of Structures
    Stress & strain, Shear force & bending moment, Moment of inertia, Analysis of trusses, Strain energy
    Theory of Structures
    Direct & bending stresses, Slope & deflection, Fixed & continuous beams, Columns, Moment distribution method
    Design of Concrete Structures
    Working & Limit State methods, Singly & doubly reinforced sections, T-Beams, Slabs, Columns, Footings
    Design of Steel Structures
    IS Codes, Steel sections & grades, Connections, Design of tension/compression members, Roof trusses, Beams, Column bases
    Transportation Engineering
    Railway Engineering (tracks, stations, yards), Bridge Engineering (site selection, components, maintenance), Tunnel Engineering (types, methods, ventilation)
    Highway Engineering
    Road project investigation, Geometric design, Pavement materials, Traffic engineering, Hill roads, Drainage, Maintenance
    Environmental Engineering
    Pollution control, Water supply, Sewage treatment, Solid waste management, Sanitation, Plumbing
    Advanced Construction Techniques & Equipment
    Advanced concreting (underwater, ready mix, tremix), Formwork, Prefabrication, Soil reinforcement, Earth moving & hoisting machinery
    Estimating & Costing
    Types of estimates (approximate, detailed), Mode of measurement, Rate analysis
    Contracts & Accounts
    Types of contracts, Tendering, Payments, Specifications, Contract documents

    RRB JE Electrical Syllabus 2025

    Below is a table summarizing the syllabus for Electrical & Allied Engineering:

    Subject / Section
    Key Topics Covered
    Basic Concepts
    Resistance, inductance, capacitance — definitions & factors affecting them; current, voltage, power, energy, and their units
    Circuit Law
    Kirchhoff’s Laws (KCL & KVL), Simple circuit solutions using network theorems
    Magnetic Circuit
    Concepts of flux, mmf, reluctance; types of magnetic materials; magnetic calculations for various conductor configurations (straight, circular, solenoidal); electromagnetic induction, self & mutual induction
    AC Fundamentals
    Instantaneous, RMS, average values of AC waves; sinusoidal wave representation; RLC series & parallel circuits; resonance, tank circuit; polyphase system (star & delta); 3-phase power; DC and AC response of RL and RC circuits
    Measurement & Measuring Instruments
    Power measurement (1-phase & 3-phase, active & reactive); energy measurement; two-wattmeter method; frequency & phase angle measurement; ammeter, voltmeter (moving coil & iron type); wattmeter, multimeter, megger, energy meter, AC bridges; CRO, signal generator, CT, PT, earth fault detection
    Electrical Machines – DC Machines
    Construction, working principle, characteristics of DC motors & generators; speed control, starting methods, braking, losses & efficiency
    Electrical Machines – Transformers
    1-phase & 3-phase transformers – construction, principle, equivalent circuit, regulation, O.C. & S.C. tests, losses, efficiency, voltage/frequency effect, parallel operation, autotransformers
    Electrical Machines – Induction Motors
    3-phase induction motor: rotating magnetic field, working principle, equivalent circuit, torque-speed characteristics, starting, speed control, braking, voltage/frequency effects; fractional kW & single-phase induction motors: characteristics & applications
    Synchronous Machines
    Generation of 3-phase emf, armature reaction, voltage regulation, parallel operation of alternators, synchronizing, control of active & reactive power, starting & applications of synchronous motors
    Generation, Transmission & Distribution
    Power stations (types, load factor, diversity factor, demand factor, cost of generation, interconnection); power factor improvement, tariff types, fault types, short circuit current (symmetrical faults)
    Switchgear & Protection
    Circuit breakers (rating, arc extinction by oil/air), HRC fuses, protection systems (earth leakage, overcurrent, Buchholz relay, Merz-Price protection for generator/transformer), feeder & busbar protection, lightning arresters
    Transmission Systems & Cables
    Types of transmission & distribution systems, conductor material comparison, system efficiency, types of cables, cable rating & derating factors
    Estimation & Costing
    Estimation of lighting schemes, electrical installation of machines, IE rules & earthing practices
    Utilization of Electrical Energy
    Applications: illumination, electric heating, welding, electroplating, electric drives & motors
    Basic Electronics
    Working & applications of PN junction diodes, transistors (NPN, PNP), BJT, JFET; basic electronic circuits using these components

    RRB JE Mechanical Engineering Syllabus 2025

    Here's a table summarising the syllabus for Mechanical & Allied Engineering:

    Section
    Key Topics Covered
    Engineering Mechanics
    Resolution of forces, equilibrium and equilibrant, laws of forces (parallelogram, triangle, polygon, Lami’s theorem), couple and moment, equilibrium of rigid bodies, friction (static & dynamic), limiting angle of friction and angle of repose, motion on horizontal & inclined planes, moment of inertia and radius of gyration of I, T, L, Z, channel, and built-up sections, Newton’s laws of motion, projectile motion, D’Alembert’s principle, conservation of energy and momentum.
    Material Science
    Mechanical properties of materials (tensile, compressive strength, ductility, malleability, hardness, toughness, brittleness, impact, fatigue, creep), classification of steels, mild and alloy steels, heat treatment processes (annealing, normalizing, hardening, tempering, carburizing, nitriding, cyaniding).
    Strength of Materials
    Stress, strain, stress-strain curve, factor of safety, thermal stresses, strain energy, resilience, shear force & bending moment diagrams (cantilever, simply supported, continuous, fixed beams), torsion in shafts & springs, thin cylindrical shells.
    Machining
    Lathe working principles and types, cutting tool nomenclature and geometry, turning, facing, taper turning, threading, knurling, drilling, boring, reaming, keyway cutting, cutting fluids, introduction to shaper, slotter, planer, broaching, milling, gear manufacturing, and gear heat treatment.
    Welding
    Introduction and classification of welding, arc welding principles, equipment, electrodes, gas (oxy-acetylene) welding, welding procedures, soldering, brazing, flame cutting, welding defects, testing and inspection, modern methods (MIG, TIG, CO₂, submerged, ultrasonic, atomic-hydrogen).
    Grinding & Finishing Processes
    Principles of metal removal by grinding, abrasives and bonds, types of grinding machines (cylindrical, surface, tool & cutter), centreless grinding, wheel maintenance, coolants, finishing processes (honing, lapping, superfinishing), electroplating, galvanizing, anodizing, metal spraying, powder process, and paints/coatings.
    Metrology
    Linear and angular measurement (slip gauges, dial indicators, sine bar, bevel protractor, angle slip gauges), comparators (mechanical, electrical, optical, pneumatic), surface roughness measurement, interferometry, measuring microscopes, collimators, profile projection, shadow projection.
    Fluid Mechanics & Hydraulic Machinery
    Properties of fluids (density, viscosity, surface tension, capillarity, compressibility), Pascal’s law, pressure measurement, buoyancy, Bernoulli’s equation, Reynold’s number, discharge measurement (venturimeter, pitot tube, current meter), centrifugal pumps, efficiencies (manometric, mechanical, volumetric, overall), cavitation, jet and submersible pumps.
    Industrial Management
    Job analysis, motivation theories, performance systems, production planning and control (routing, scheduling, dispatching), PERT and CPM, inventory control (ABC analysis, EOQ, safety stock, reorder level), stores management, purchasing procedures, material handling (hoists, cranes, conveyors, forklifts).
    Thermal Engineering
    Laws of thermodynamics, gas laws, thermodynamic processes (isochoric, isobaric, isothermal, isentropic, etc.), heat transfer (conduction, convection, radiation), air standard cycles (Carnot, Otto, Diesel), internal combustion engines (construction, working, performance), air compressors, refrigeration cycles, and basic refrigeration systems.

    RRB JE CSE Syllabus 2025

    The RRB JE CSE Syllabus 2025 is given below in the table:

    Subject
    Topics
    PC Software
    - MS Windows, MS Word, MS Excel & PowerPoint
    Computer fundamentals
    - Evolution of Computers, Hardware & Software, Internet.
    C Language
    - Structure, Loop, Control Statements, Arrays, Pointers, Functions, Structure and Union, Files
    Computer Organisation
    - Number Systems, Logic Gates, Flip-Flops, Boolean Algebra, DMA, Instruction Sets.
    Information Systems
    - Information concepts, Hardware & Software, Overview of Communication Systems, E-Commerce
    Data Structure using C++
    - Object-oriented Programming, Data Structures, Stack, Queue, Pointers, Linked List, Searching & Sorting Algorithms
    DBMS fundamentals
    - BASIC, Data Models, RDBMS, Relational Algebra, SQL, DDL, DML, and DCL Statements, Creating Tables, Equi-Joins, Self Joins, PL/SQL, Functions, Cursor and Triggers.
    System Programming
    - Background, Assemblers, Loaders and Linkers, Macro Processors, Compilers
    Operating System using LINUX
    - Operating System, Types, Features & Basic Architecture of Unix/Linux System, Unix File System & Structure, Linux Commands for files and directories, Filters and Pipes, Process, Creating and Editing Files with VI Editor, System Administration, Role of System Administrator, Managing User Accounts.
    Web Technologies and Programming
    - Internet & Intranet, Hardware & Software like Bus, Ethernet, LAN, Routers, Gateways, Bridge, Switches, Subnet etc. Internet Service Providers, Backbones, NAPs, URLs, Domain Names, Email, Web Server and Proxy Server, Web Caches, Web Browser like Internet Explorer, Internet Viruses, Internet Security Issues, Firewall, Data Encryption, Digital Signatures and Certificates, Creating Website and Home Page, HTML Programming Basics, Syntax and Rules, Search and Search Engine for Internet, Outlook Express and Front Page.
    System Analysis and Design
    - System components; system planning: Fact-finding techniques: Tools for documenting procedure and decisions; Structured Analysis: Data flow analysis; flow diagrams; Data dictionary; Application Prototype: System Design: software development specification; Design - Input, output, files, control. Procedure, Program specification, etc: Design of computer output & its presentation.
    Data and Network Communication
    - Data Communication - Distributed processing network criteria, protocol, and standards. Topologies etc. OSI model, layers. TPC/IP protocol. Digital to Digital Conversion, Digital to Analog Conversion, Digital data transmission. Standards, Modems, Cable Modem. Transmission media Guided & Unguided Media, Performance, Wave length; Multiplexing, DSL. Error detection and correction, VRC, LRC, CRC, Ethernet, Token Bus, Token Ring.
    Java Programming
    - JAVA and Internet: Support systems and environment; JVM: Data Type: program structure. Constants & Variables, Type Casting; Operators, Class, Creating Objects, Class Members, Constructors, Overloading, Inheritance, Arrays. Creating Threads: Threads Class; Thread Methods; Thread Priority; Synchronization. Applets: Executable Applet, Adding Applet to HTML, File; passing Parameters to Applets.
    Software Engineering
    - Software Process - life cycle models; system engineering: Software Requirements - Functional and non-functional; prototyping; verification; validation. Design Concepts and Principles - design heuristic; architectural design; user interface design; system design; SCM process. Software testing - types of test; testing strategies; integration and validation testing system testing and debugging. Software Project Management - Measures and measurements; cost estimation; Task Network; Error Tracking; CASE tools.

    RRB JE Printing Technology Syllabus 2025

    Here's a table summarizing the syllabus for Electronics & Allied Engineering with a focus on Printing Systems:

    Subject / Section
    Key Topics Covered
    Printing Systems
    Various printing methods; image carriers; impression and ink transfer techniques; proofing methods; job suitability for each printing process
    Printing Materials
    Materials used in graphic reproduction; image carriers; printing substrates (papers, boards, plastics); inks and coatings; adhesives and binding materials
    Flexo, Gravure & Screen Printing
    Flexographic principles, plate surface preparation, press operations; gravure image carrier preparation; doctor blade maintenance; gravure inks & materials; slitting & rewinding machines; quality control tools; defects & remedies; screen printing basics
    Printing Finishing & Processing
    Introduction to binding and finishing; binding materials; modern commercial binding methods; forwarding operations; automation in bookbinding
    Image Processing
    Types of originals (text, images); process room equipment; line & halftone photography; digital image processing; computer-to-film technology; image editing software
    Design & Advertising in Print Media
    Basics of typographic design & advertising; importance of typography; design for books, magazines, and newspapers; miscellaneous print products; working and structure of advertising agencies
    Sheet-Fed Offset Machines
    Components of offset lithographic presses; printing unit; inking & dampening systems; sheet handling & control; make-ready procedures; machine operations; computer print control (CPC) systems
    Publishing Software
    Basic computer components; paging software; vector & raster graphic editing software; desktop publishing (DTP) tools
    Paper & Ink
    Paper manufacturing process; pulp chemistry; paper & board classification; properties and conditioning; ink ingredients & manufacturing; paper–ink interaction issues and remedies
    Colour Separation & Management
    Colour theory and management systems; colour reproduction processes; colour separation techniques; electronic scanning technology; colour proofing methods
    Plate Making Methods
    Job planning and film assembly; imposition principles; lithographic plate chemistry; computer-to-film, computer-to-plate (CTP), and computer-to-press technologies
    Printing Machine Maintenance
    Maintenance management systems; types of maintenance; spare part handling; machinery erection & testing; replacement policies; lubrication methods; machine elements & electrical controls
    Digital Imaging
    Artwork & film preparation; film image setters; CTP systems; non-impact printing (laser, inkjet); digital offset presses; electronic proofing methods
    Web Offset Printing
    Web offset printing press structure; make-ready process; feeding, printing, and delivery units; digital offset printing overview
    Printer’s Accounting & Estimating
    Purpose of bookkeeping; estimation principles; qualifications of estimator; costing methods (machine, materials, direct labour); estimation forms & records
    Advanced Printing Technologies
    Emerging non-impact printing technologies; security and speciality printing; e-printing innovations
    Package Technology
    Packaging concepts and materials; packaging for different products; metal-based and ancillary materials; label types & design; packaging systems and barcoding applications

    RRB JE CMA Syllabus 2025

    The RRB JE CMA Syllabus 2025 is provided in the table below:

    Sr. No.
    Syllabus
    1.
    Measurements, Units and Dimensions, Types of errors in measurements, Significance of accuracy in measurement.
    2.
    Light: Basic principles of light - reflection, refraction, laws of reflection, total internal reflection, interference, diffraction, and polarization. The formula for magnification of a microscope, telescope.  Electro Magnetic spectra.
    3.
    Heat: Heat as energy- sources of heat, Transmission of heat, Expansion of solids, liquids, and gases. Temperature (based on thermal equilibrium), Different Scales of Temperature. Calorimetry, Applications of Specific heat, Latent heat. Anomalous expansion of water and its significance in nature. Combustion, Calorific value, specific heat of gases.
    4.
    Sound: Sources of sound. Propagation of sound. The velocity of sound in different media/substances. Characteristics of sound. Reflection of sound, echo, Resonance, Sonar, and Doppler effect.
    5.
    Mechanics: Scalars and Vectors. All types of motion. Friction. Newton’s laws of motion. Momentum. Equations of motion (under gravity and freely falling), projectile. Range. Laws of Floatation. Work, Power, and Energy. Conservation of energy. Center of mass. Centre of gravity. Stability and Equilibrium. The universal law of Gravitation. Relation between ‘g’ and ‘G’. Circular motion, Kepler’s Laws. Elasticity and Hooke’s Law.
    6.
    Magnetism: Magnetic field, Uniform and non-uniform magnetic fields. Magnetic induction. Magnetic lines of force. Magnetic pole strength, Magnetic moment. Inverse square law of magnetism. Magnetic properties of materials and their classification.

    7.

    Electricity & Electro Magnetism: Electric charge, field, electric intensity, electric potential, potential difference. Simple Electric Circuits. Conductors, Nonconductors / Insulators, Coulomb’s inverse square law. Primary and secondary Cells. Ohm’s Law - its limitations. Resistances in series and parallel, Emf of a circuit; Specific resistance. Kirchhoff’s laws. Relation between electric potential and Electric energy, electric Power (wattage). Heating effect of electric current, and Joule’s law. Ampere’s law, circular loop, and Solenoid. Magnetic force on moving charged particles and long straight conductors. Fleming’s left-hand rule, Electric motor. Electromagnetic induction – Faraday’s law Electromagnetic flux. Lentz law, Generators, and Alternating Currents. Inductance – self, mutual inductance, and principles of the transformer.

    8.

    Modern Physics: Discharge of Electricity through gases, Cathode rays, Anode rays, and their properties; X-rays; Atomic models: JJ Thomson, Rutherford, and Bohr’s models. Atomic nucleus and its structure. Atomic models: Mass defect; Radio Activity- Discovery, properties of alpha, beta, and gamma radiations. Applications of alpha, beta, and gamma radiations, alpha, beta decay, Half-life period, Isotopes, Isobars, and Isotones. Artificial radioactivity; radioisotopes and their uses in different fields; radioactive series; Chain and controlled nuclear reactions; Fission and fusion of nuclei - atomic bomb and hydrogen bomb.
    9.
    Electronics and Communications: Semiconductors, diode, p-n junction characteristics. Transistor – PNP & NPN characteristics and uses. Zener Diode characteristics. Simple electronic circuits, Logic gates – applications, modulation, and demodulation.
    10.
    Matter: States of matter. Elements, Compounds, and Mixtures. Methods of separation of mixtures. Chromatography. Behavior of gases; measurable properties of gases; gas laws. Mole concept. Dolton, Avogadro, Berzelius laws.
    11.
    Chemical Reactions: Physical and chemical changes. Types of Chemical Reactions; Physical and Chemical properties of various compounds. Chemical calculations. NaOH, Bleaching powder, baking soda, washing soda, and their uses, Plaster of Paris.
    12.
    Acids and Bases, Salts: Strength and uses of Acids & Bases. Neutralization. Nature and uses of different Salts. Water of crystallization. Complex, Neutral, and double salts. Oxidation and Reduction, Rancidity. Identification of Acids, Bases– Indicators: Natural, Chemical. PH Scale - Role of PH in daily life agriculture, medicine. Classification of salts based on affinity to water Examples of Acidic, Basic, Mixed, Complex, Neutral, and double salts. Solutions - Types of solutions; solubility, ionization, Concentration; Oxidation number concept. Balancing of Redox reactions, Calculation of Concentrations. Stoichiometry.
    13.
    Atomic Structure: Electromagnetic spectrum, Atomic spectrum, Characteristics of electron, proton, and neutron, Rutherford’s model of an atom, nature of electromagnetic radiation, Plank’s quantum mechanics, explanation of the photoelectric effect, features of atomic spectra, characteristics of hydrogen spectrum, Bohr’s theory of the structure of the atom, Bohr’s explanation of spectral lines, failure of Bohr’s theory, wave-particle nature of electrons, de Broglie’s hypothesis, Heisenberg’s uncertainty principle, important features of the Quantum mechanical model of an atom, Quantum numbers, the concept of orbitals, define an atomic orbital in terms of quantum numbers-shapes of s, p and d orbitals, n l x rule, Energies of electronic energy levels (n+l) rule state Aufbau principle, Pauli’s exclusive principle and Hund’s rule of maximum multiplicity, electronic configuration of an atom, explanation of the stability of half filled and completely filled orbital.

    14.

    Periodic Classification of Elements: Characteristics of elements in groups and periods. Signification of atomic number and electronic configuration as the basis per periodic classification. Classification of elements into s-block, p-block, d-block, f-block, and their main characteristics. Periodic trends in physical and chemical properties of elements. Study of different Groups of the periodic table.
    15.
    Chemical Bonding: Ionic and Covalent Bonds: Introduction of chemical bonding. Electronic Configuration of Noble Gases. sigma, pi bond with examples. Shapes of molecules bond lengths and bond angles in molecules. Hybridization and explanation of H2O, BF3, CH4, NH3 etc. molecules. Hydrogen bonding and types of H bonds.
    16.
    Carbon and its Compounds: Need to study carbon compounds separately. Classification of Organic compounds Hydro carbons - Alkanes, alkenes, alkynes aromatic and aliphatic compounds with examples. Bonding in Carbon including Hybridization. Allotropes of Carbon. Versatile nature of carbon. Tetravalency, Chains, branches, and rings. Catenation, Isomerism. Saturated and Unsaturated carbon compounds. Bonding of carbon with other elements. Functional groups in carbon compounds. Homologous series. Chemical properties of carbon compounds Combustion and Oxidation. Addition reactions. Substitution reaction. Important carbon compounds. Nomenclature organic compounds. Carbohydrates and their classification. Proteins-examples, Oils and fats examples Polythene - Nylon, PVC, Polyvinyl alcohol; Rubber – used in daily life. Polymers, and other important organic compounds.
    17.
    Environmental Chemistry: Different types of pollution, acid rain, Ozone, and its reactions, effects of depletion of the ozone layer, Greenhouse effect, and global warming, Green Chemistry as an alternative tool for reducing pollution.
    18.
    Metallurgy: Occurrence of Metals. Minerals, Ores - Examples. Extractions of metals – activity series and related metallurgy, flow chart of steps involved in the extraction of metals from ore. Refining metals, Electrolytic refining, Corrosion – Prevention of Corrosion. Alloys and their uses.

    RRB JE CBT 1 Exam Pattern 2025

    ​Before checking the RRB JE Syllabus 2025, candidates should first understand the RRB JE Exam Pattern for both CBT 1 and CBT 2 exams. Here is the RRB JE CBT 1 Exam Pattern for 2025:

    • The CBT 1 Exam will consist of 100 Multiple-choice questions (MCQs), each carrying 1 mark.
    • The subjects covered in RRB JE CBT 1 include Mathematics, General Awareness & Reasoning, and General
    • Awareness and General Science.
    • Minimum Qualifying Marks: 40%
    • The duration of the exam is 1.5 hours (90 minutes).
    • There will be a negative marking of 1/3rd mark for each incorrect answer.

    RRB JE CBT 2 Exam Pattern 2025

    Here is the RRB JE CBT 2 Exam Pattern for 2025:

    • A total of 150 Multiple-choice questions (MCQs) will be asked in the CBT 2 Exam, each carrying 1 mark.
    • The subjects covered in RRB JE CBT 2 include General Awareness, Physics & Chemistry, and the Basics of
    • Computers and Applications, Basics of Environment and Pollution Control, and Technical Abilities.
    • Minimum Qualifying Marks: 40%
    • The exam duration is 2 hours (120 minutes).
    • For each incorrect answer, there will be a negative marking of 1/3rd mark.

    How to Use RRB JE Syllabus?

    The RRB JE syllabus is more than just a list of topics—it's your preparation blueprint. Here’s how you can make the most of it:

    • Use it as a checklist: Break down each subject (General Awareness, Reasoning, General Science, and your Engineering discipline) into smaller sub-topics. Mark them as “Not Started,” “In Progress,” or “Revised” to track your preparation.
    • Prioritize by weightage: Focus more time on high-scoring subjects or topics that are repeatedly asked in previous exams. For example, technical subjects often carry more weight than General Awareness.
    • Align your timetable with the syllabus: Plan weekly or daily targets based on the syllabus flow. Don’t just study randomly—stick to the sequence of topics to build understanding gradually.
    • Match mock tests with syllabus progress: Take subject-wise or full-length mock tests only after completing that part of the syllabus. This helps you apply what you've learned and spot weak areas quickly.
    • Revise regularly using the syllabus as a tracker: Each time you revise a topic, mark it on your copy of the syllabus. This makes revision structured and ensures nothing is left out.
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    Frequently Asked Questions
    Q: What is the syllabus for RRB JE?