AEE (30% LDCE) Promotion Exam 2026 – Complete Syllabus & Pattern

MODE OF SELECTION FOR PROMOTION TO GROUP ‘B’ POST OF AEE (30% LDCE)-2026
MODE OF SELECTION
A. Selection as per Master Circular
➤ As per Master Circular No. 68 and Railway Board’s letter No. E(GP)2022/2/4 dated 28.06.2022 and E(GP)2022/2/4 dated 06.09.2022, the selection for the above post shall be based on Written Examination, Viva-Voce and Service Record, with allocation of marks as detailed below
Distribution of Marks – Written Test / Viva-Voce / Service Record
Topic Questions Marks
Technical (Professional) Subject 85 Questions (including 5 optional questions) 80 Marks
General Knowledge, Official Language Policy & Rules 55 Questions (including 15 optional questions on OLPR) 40 Marks
Establishment & Financial Rules 35 Questions (including 5 optional questions) 30 Marks
Service Record — 25 Marks
Viva-Voce — 25 Marks

Qualifying Marks
➤ Minimum qualifying marks in Written Examination: 90 Marks
➤ Service Record + Viva-Voce: Total 30 Marks
➤ (Out of which, a minimum of 15 marks in Service Record is mandatory)
________________________________________
B. Written Examination Pattern
➤ The written examination shall consist of one question paper of 150 marks
➤ The question paper shall be 100% Objective Type (Multiple Choice Questions)
➤ Duration of examination: 03 Hours
________________________________________
C. Marking Scheme
➤ As per Railway Board’s letter No. E(GP)2024/2/28 dated 08.10.2024:
➤ One (01) mark shall be awarded for each correct answer
➤ Negative marking shall apply — 1/3rd mark allotted for each question shall be deducted for every wrong answer
________________________________________
D. Syllabus
➤ The syllabus for this selection shall be as prescribed by Railway Board’s letter No.
E(GP)2022/2/4 dated 07.11.2022

PART–A : Establishment Rules________________________________________
1. Personnel Department – Organisation & Functions
➤ Organisation of Personnel Department in Indian Railways
➤ Objectives, functions & personnel policies
________________________________________
2. Recruitment, Training & Human Resource Development
➤ Classification of services
➤ Recruitment through Railway Recruitment Boards (RRBs) & Railway Recruitment Cells (RRCs)
➤ Compassionate Ground Appointments
➤ Initial & In-service Training
➤ Refresher Courses
➤ Central Training Institutes (CTIs)
➤ Zonal / Divisional / Workshop Training Centres
➤ Apprentices Act Training
➤ Online Training Modules
➤ APARs (Annual Performance Appraisal Reports)
________________________________________
3. General Conditions of Service
➤ Seniority
➤ Lien
➤ Inter-Railway Transfers
➤ Inter-Division Transfers
➤ Deputation
➤ Promotion policy & methods
➤ Selection, Suitability & Trade Tests
➤ Leave Rules
➤ Pass Rules
➤ Joining Time
➤ Reservation Policy
➤ HOER (Hours of Employment Regulations)
➤ Overtime
➤ Pay & Allowances
➤ Current CPC Pay Rules
➤ Advances in Railways
________________________________________
4. Manpower & Cadre Management
➤ Manpower Planning
➤ Rightsizing & Benchmarking
➤ Creation of Posts
➤ Extension of Posts
➤ Surrender of Posts
➤ Creation of posts against new assets
➤ Types of posts including Work-Charged Posts
________________________________________
5. Discipline & Appeal Rules
➤ Railway Servants (Discipline & Appeal) Rules, 1968
➤ Related instructions & procedures
________________________________________
6. Conduct Rules
➤ Railway Services (Conduct) Rules, 1966
➤ Duties, conduct & behavioural standards
________________________________________
7. Retirement & Pensionary Benefits
➤ Qualifying Service
➤ Pension
➤ Family Pension
➤ Commutation of Pension
➤ Gratuity
➤ New Pension Scheme (NPS)
________________________________________
8. Staff Welfare & Grievance Redressal
➤ Staff Benefit Fund (SBF)
➤ Railway Institutes
➤ Railway Schools
➤ Ex-gratia Payments
➤ Incentive Bonus Scheme
➤ Staff Grievance Redressal Mechanism
________________________________________
9. Industrial Relations & Labour Laws
➤ Industrial Relations in Railways
➤ Recognized Trade Unions
➤ Industrial Disputes
➤ Industrial Disputes Act, 1947
➤ Industrial Relations Code, 2020
➤ Trade Unions Act, 1926
➤ PNM
➤ PREM
➤ JCM
➤ Associations & Informal Meetings
________________________________________
10. Labour & Statutory Acts
➤ Factories Act, 1948
➤ Workmen’s Compensation Act, 1923
➤ Functions of Labour Enforcement Officers
➤ Right to Information Act, 2005
________________________________________
11. Information Technology in Railways
➤ E-Office System
➤ HRMS
➤ IPAS
➤ LIMBS
➤ ARPAN
➤ CPGRAMS
➤ ANUBHAV Portal
________________________________________
12. Government e-Market (GeM)
➤ Government e-Market procurement system
________________________________________
13. Classification of Railway Revenue (Earnings)
➤ Classification of Railway Earnings
________________________________________
14. Information Technology & Railway IT Applications
➤ General IT concepts
➤ Railway-specific IT applications
________________________________________
15. Taxation Matters
➤ Goods & Services Tax (GST)
➤ Income Tax
➤ Railway-specific taxation aspects
________________________________________
16. Organisation of Financial Authorities
➤ Organisation of CGA
➤ Organisation of C&AG
________________________________________
17. Miscellaneous / Emerging Topics
➤ Any other topic as prescribed from time to time
________________________________________
PART–B : Professional Subjects
🔹 Part–I : General Electrical Engineering
________________________________________
1. Electrical Circuits
➤ Electrical Circuit Elements: Resistance
➤ Electrical Circuit Elements: Inductance
➤ Electrical Circuit Elements: Capacitance
➤ Voltage Sources
➤ Current Sources
➤ Ohm’s Law
➤ Kirchhoff’s Voltage Law (KVL)
➤ Kirchhoff’s Current Law (KCL)
➤ DC Circuit Analysis
➤ AC Circuit Analysis
➤ Magnetic Circuits
➤ Magnetic Circuit Analysis
➤ Polyphase Circuit Analysis
________________________________________
2. Electronic Devices & Analog Electronics
➤ Energy Band Theory of Solids
➤ Intrinsic Semiconductors
➤ Extrinsic Semiconductors
➤ Doping
➤ Doping Materials
➤ Carrier Mobility
➤ Conductivity
➤ Semiconductor Diodes
➤ Diode Rectifiers
➤ Bipolar Junction Transistor (BJT)
➤ Junction Field Effect Transistor (JFET)
➤ Metal Oxide Semiconductor Field Effect Transistor (MOSFET)
➤ Transistor Biasing Circuits
➤ CE Configuration
➤ CB Configuration
➤ CC Configuration
➤ Transistors as Amplifiers
➤ Transistors as Switches
➤ Operational Amplifier Characteristics
➤ Inverting Amplifier
➤ Non-Inverting Amplifier
➤ Integrator
➤ Differentiator
➤ Summing Amplifier
➤ Subtracting Amplifier
➤ Logarithmic Amplifier
➤ Differential Amplifier
➤ Calculation of Common Mode Rejection Ratio (CMRR)
➤ Active Filters
➤ Passive Filters
________________________________________
3. Digital Electronics
➤ Number Systems
➤ Basic Logic Gates
➤ Boolean Algebra
➤ Digital Logic Gate Characteristics
➤ Minimization Techniques
➤ Combinational Logic Circuits
➤ Flip-Flops
➤ Sequential Circuits
________________________________________
4. Power Electronics
➤ Power Semiconductor Devices
➤ Diodes
➤ BJT
➤ MOSFET
➤ SCR
➤ GTO
➤ IGBT
➤ Characteristics of Power Devices
➤ Selection of Devices for Power Electronics Applications
➤ Single Phase Rectifiers
➤ Three Phase Rectifiers
➤ H-Bridge Inverter
➤ Three Phase Voltage Source Inverter
➤ PWM Converters
➤ Harmonic Analysis
➤ Power Factor Improvement
➤ AC Machine Control
➤ VVVF Drives
________________________________________
5. Electrical Engineering Materials
➤ Electrical Insulating Materials – Properties & Applications
➤ Magnetic Materials – Properties & Applications
➤ Conducting Materials – Properties & Applications
➤ Semiconductor Materials – Properties & Applications
________________________________________
6. Electrical Machines
➤ DC Machines
➤ Induction Machines
➤ Synchronous Machines
➤ Losses in Rotating Machines
➤ Single Phase Transformers
➤ Three Phase Transformers
➤ Losses of Transformers
➤ Efficiency of Transformers
➤ Machine Drives
________________________________________
7. Renewable Energy Sources
➤ Climate Change
➤ Global Warming
➤ Sources of Renewable Energy
➤ Applications of Renewable Energy
➤ Solar Cells
➤ Rooftop Solar Power Plants
➤ Ground Mounted Solar Power Plants
➤ Basic Design of Solar Plants
➤ Construction of Solar Plants
➤ Maintenance of Solar Plants
➤ Off-Grid Solar Plants
➤ Grid Connected Solar Plants
➤ Wind Turbines
➤ Net Zero Carbon Emission
➤ Energy Conservation Building Code (ECBC)
➤ Round-the-Clock Green Energy
➤ Energy Storage Systems
➤ Renewable Energy Policies & Regulations
➤ Net Metering
➤ Gross Metering
➤ Business Models
➤ Tendering
________________________________________
8. Power System & Protection
➤ Electrical Power Generation – Basic Concepts
➤ Power Generation Equipment
➤ Transmission Lines
➤ Power Cables
➤ Models of Transmission Lines
➤ Performance of Transmission Lines
➤ Series Compensation
➤ Shunt Compensation
➤ Electric Field Distribution
➤ Insulators
➤ Distribution Systems
➤ Per-Unit Quantities
➤ Bus Admittance Matrix (Y-Bus)
➤ Load Flow Methods
➤ Power Factor Correction
➤ Symmetrical Components
➤ Symmetrical Fault Analysis
➤ Asymmetrical Fault Analysis
➤ Principles of Protection Systems
➤ Circuit Breakers
➤ Latest Research & Developments in Power System________________________________________
PART–II : Railways Electrical Engineering
________________________________________1. General Services________________________________________
(a) Power Supply & Distribution
➤ Power Supply Arrangements
➤ Radial Distribution System
➤ Looped / Ring Main Distribution System
➤ Layout of Distribution Sub-station
➤ Equipment at Distribution Sub-station
➤ Operation of Sub-stations
➤ Maintenance of Sub-stations
➤ Overhead Distribution Systems
➤ Underground Distribution Systems
➤ Protective Devices
➤ Coordination of Protective Devices
➤ Construction of New Sub-stations
➤ Erection of Sub-stations
➤ Commissioning of Sub-stations
➤ Construction of Distribution Lines
➤ PVC Cables – Features & Rating
➤ XLPE Cables – Features & Rating
➤ Cable Derating Factors
➤ Cable Laying Techniques
➤ Electrical Demand
➤ Peak Demand
➤ Load Factor
➤ Electrical Billing
➤ Power Factor Improvement
➤ Electrical Safety
➤ Fire Safety
➤ Safety Auditing of Sub-stations
➤ Energy Audit
➤ Functions of Electrical Inspector to Government (EIG) in Railways
➤ Power Line Crossing
➤ Electricity Act, 2003
➤ CEA Regulations
➤ SCADA System
➤ Sub-station Automation
➤ Earthing Arrangement
________________________________________
(b) Building Electrification
➤ Types of Wiring Methods
➤ Metering Systems
➤ Safety Measures in Building Electrification
➤ Electrical Wires
➤ Switchgears
➤ Electrical Fittings
➤ Energy Efficient Appliances
➤ Scale of Electrical Fittings as per Policy
➤ Electrification of Railway Quarters
➤ Types of Electrical Tariffs
➤ Commercial Electrical Connections
➤ Prepaid Metering
➤ Postpaid Metering
➤ Smart Meters
➤ Safety Coordination
➤ Electrical Accidents
➤ Prevention of Electrical Accidents
________________________________________
(c) Illumination & Lighting
➤ Parameters of Illumination
➤ Sources of Light
➤ Lighting Methods
➤ Classification of Lux Levels
➤ Lighting of Railway Stations
➤ Yard Lighting
➤ Street Lighting
➤ Passenger Amenities Lighting at Railway Stations
________________________________________
(d) Water Supply Systems
➤ Types of Water Supply Systems
➤ Pumping Systems
➤ Classification of Pumps
➤ Comparison of Pumps
➤ Basics of Fluid Theory
➤ Discharge Calculations
➤ Centrifugal Pumps
➤ Turbine Pumps
➤ Submersible Pumps
➤ Characteristics of Pumps
➤ Pump Selection Criteria
➤ Operation of Pumps
➤ Maintenance of Pumps
➤ Installation of Pumping Systems
➤ Troubleshooting of Pumps
➤ Water Storage Capacity
➤ Water Purification
➤ Starters for Pumps
➤ Drives for Pumps
➤ Automation of Pumping Systems
________________________________________
(e) Lift & Escalator
➤ Working Principles of Lifts
➤ Working Principles of Escalators
➤ Installation of Lifts
➤ Installation of Escalators
➤ Maintenance Practices
➤ Safety Devices
➤ Control Panels
➤ Safety Aspects of Lifts & Escalators
________________________________________
(f) Air Conditioning & Refrigeration
➤ Theory of Air Conditioning
➤ Refrigeration Cycles
➤ Refrigerants
➤ Properties of Refrigerants
➤ Window Air Conditioners
➤ Split Air Conditioners
➤ Package Air Conditioners
➤ Central Air Conditioning Plants
➤ VRF Systems
➤ Air Cooling Systems
➤ Capacity Planning
➤ Drives for Refrigeration Plants
➤ Maintenance of AC Plants
➤ Troubleshooting of AC Plants
________________________________________
(g) Energy Conservation
➤ Need for Energy Conservation
➤ Energy Conservation Measures in Railways
➤ Energy Conservation in Electrical General Services
➤ Open Access System in Indian Railways
➤ Energy Conservation Act________________________________________
2. Traction Distribution (TRD)
________________________________________
(a) Overhead Equipment (OHE)
➤ Basic Design Concepts of TRD System
➤ Conventional 25 kV AC Traction System
➤ 2 × 25 kV AC Traction System
➤ Types of Overhead Equipment
➤ Sectioning Principles of OHE
➤ Parts of OHE
➤ Foot Patrol
➤ Current Collection
➤ Tower Wagons
➤ Seasonal Checks
➤ Cyclonic Checks
➤ OHE Maintenance Schedules
➤ Preventive Maintenance Tools
➤ Failure Investigation of OHE
➤ Earthing of OHE
➤ Bonding of OHE
➤ Railway Electrification Process
➤ Power Blocks
➤ Procedure for Obtaining Power Blocks
________________________________________
(b) Power Supply Installations (PSI)
➤ Schematics of 1 × 25 kV Traction Substations
➤ Schematics of 2 × 25 kV Traction Substations
➤ Ratings of PSI Equipment
➤ Names of PSI Equipment
➤ Protection Schemes for Traction Substations (TSS)
➤ Fixed Power Factor Correction
➤ Dynamic Power Factor Correction
➤ Feeding Stations
➤ Sectioning Posts (SP)
➤ Sub-Sectioning Posts (SSP)
➤ 132 kV Transmission Lines
➤ Maintenance of PSI Equipment
➤ Failure Investigation of PSI Equipment
________________________________________
(c) SCADA & Miscellaneous Items
➤ Operation of Remote Control
➤ Maintenance of Remote Control
➤ Traction Power Control Organization
➤ Permit-to-Work System
➤ Emergency Arrangements
➤ Coordination with Operating Department
➤ Coordination with Other Departments
➤ Liaison with Power Supply Authorities
➤ Maintenance of SCADA Equipment
➤ Failure Investigation of SCADA Equipment
________________________________________
(d) Special Topics & Latest Developments
➤ Non-Destructive Testing (NDT) Techniques
➤ Open Access System in Railways
➤ Safety Precautions in Electrified Sections
➤ Latest Developments in Traction Distribution
➤ MSC Meetings
➤ Instructions Issued by Railway Board
➤ RDSO’s TMI
➤ RDSO’s Technical Circulars (TCs)
➤ IRSOD
➤ ACTM________________________________________
3. Train Lighting & Air-Conditioned Coaches
________________________________________
(a) Train Lighting & Coach Electrical Systems
➤ Systems of Train Lighting on Coaches
➤ Self-Generating Coaches
➤ ICF Coach Electrical Systems
➤ LHB Coach Electrical Systems
➤ ICF TL/AC Coach Generation System
➤ Circuits in ICF TL/AC Coaches
➤ Protection Systems in ICF TL/AC Coaches
➤ Emergency Feed Extension in Coaches
________________________________________
(b) Air Conditioning Systems in Coaches
➤ Air Conditioning Systems in Coaches
➤ Heat Load Calculations
➤ Pre-Cooling Tests
➤ Pull-Down Tests
➤ Dynodrive Test
➤ 25 kVA Coach Inverter
➤ Water Raising Apparatus
________________________________________
(c) Power & Control Systems
➤ End-On Generation (EOG) System
➤ Head-On Generation (HOG) System
➤ Hotel Load Converter
➤ Interlocking Panels
➤ Power Circuits
➤ Control Circuits
➤ Protection Systems in LHB TL/AC Coaches
________________________________________
(d) Power Supply & Equipment in Coaches
➤ Power Car
➤ Pantry Car
➤ AC Double Decker Coaches
➤ AC 3-Tier Economy Coaches
➤ LSLRD Coach
➤ HVAC System in Microcontroller-Based Coaches
________________________________________
(e) Electronics & Control
➤ Electronics Equipment in LHB Coaches
➤ HB Pantograph
➤ Train Operation & Electrical Interface
________________________________________
(f) Maintenance & Depot Activities
➤ Maintenance Schedules of ICF Coaches
➤ Maintenance Schedules of LHB Coaches
➤ Pantry Cars Manufacturing
➤ Power Car Manufacturing
➤ Periodical Overhaul (POH) Activities
➤ Intermediate Overhaul (IOH) Activities
➤ Commissioning Tests
➤ Special Repairs
➤ Passenger Amenity Circuits
________________________________________
(g) Coaching Depot Working
➤ Working of Coaching Depot
➤ Primary Maintenance
➤ Secondary Maintenance
➤ Sick Line Attention
➤ Pit Occupation Charts
➤ Rake Links
➤ Coach Requirements
________________________________________
(h) Maintenance Practices & Standards
➤ Safety Auditing
➤ Bench-Marking
➤ Duties of ACM
➤ Duties of ACCA
➤ Pre-Cooling of AC Coaches
➤ Features of ICMS
➤ Unit Exchange Spares
➤ Fire Causes in Coaches
➤ Fire Prevention Measures
________________________________________
(i) Modifications, Instructions & Reliability
➤ Modification Sheets (SMIs)
➤ Technical Circulars issued by RDSO
➤ Instructions issued by Railway Board
➤ Instructions issued by RDSO
➤ Reliability Action Plan
➤ Recent Developments in Coaches

________________________________________
4. Electric Locomotives
________________________________________
➤ Organizational Structure of Electric Loco Department
➤ Duties of Officers and Staff
➤ Conventional AC Electric Locomotives in Indian Railways
➤ 3-Phase Electric Locomotives
➤ Locomotive Equipment and Their Functions
➤ Locomotive Operation
➤ Locomotive Maintenance
➤ Overhauling of Electric Locomotives
➤ Testing Parameters of Electric Locomotives
➤ Maintenance Schedules
➤ Reliability Action Plans
➤ Safety Action Plans
➤ Traction Power Circuit
➤ Auxiliary Circuit
➤ Control Circuits
➤ Brake Circuits
➤ Pneumatic Circuits
➤ Types of Braking Arrangements
➤ Safety Items in Electric Locomotives
➤ Safety Checks during Locomotive Operation
➤ Electric Loco Shed
➤ Electric Loco Workshop
➤ Safe Locomotive Operation Practices
➤ Manuals & Instructions:
➤ RDSO Manuals
➤ ACTM
➤ Accident Manual
➤ G&SR
➤ IR SOD
➤ Instructions issued by Railway Board
➤ Instructions issued by RDSO
➤ Instructions issued by CLW
➤ Latest Developments in Electric Locomotives________________________________________
5. EMU / MEMU / Metro Trains ________________________________________
➤ Concept of EMU Trains
➤ Concept of MEMU Trains
➤ Concept of Metro Trains
➤ Types of EMU / MEMU Rolling Stock
➤ Conventional EMU Systems
➤ 3-Phase EMU Systems
➤ Driver’s Salient Features
➤ Brake Systems in EMU / MEMU Trains
➤ Power Circuits in EMU / MEMU
➤ Auxiliary Circuits in EMU / MEMU
➤ Control Circuits in EMU / MEMU
➤ Mechanical Equipment in EMU / MEMU
➤ Electrical Equipment and Their Functions
➤ Inspection Schedules of EMU / MEMU
➤ Maintenance Schedules of EMU / MEMU
➤ Overhauling of EMU / MEMU
➤ Safety Precautions in EMU / MEMU
➤ Fire Prevention Measures
➤ Train Control Management System (TCMS)
➤ Recent Developments in EMU / MEMU / Metro Trains________________________________________
6. Electric Loco & EMU Operations
________________________________________
➤ Organizational Structure of Electric Loco & EMU Operations
➤ Duties of Officers and Staff
➤ Crew Management
➤ Training of Crew
➤ Monitoring of Crew
➤ Counselling of Crew
➤ Crew Links
➤ Loco Links
➤ HOER Rules
➤ Loco Utilization
➤ Signal Passed At Danger (SPAD)
➤ Crew Lobby Management
➤ Running Rooms
➤ Trip Sheds
➤ Loco Shed (LS)
➤ Traction Loco Controller (TLC) / Power Controller Office
➤ Working of Crew Management System (CMS)
➤ Working of Freight Operations Information System (FOIS)
➤ Safety in Loco & EMU Operations
➤ Punctuality in Train Operations
➤ Efficient Operation of Loco & EMU
➤ Online Troubleshooting of Loco / EMU Failures
➤ Manuals & Instructions:
➤ EMU Operation Manual
➤ ACTM
➤ Accident Manual
➤ G&SR
➤ Instructions issued by Railway Board
➤ Instructions issued by RDSO
➤ Latest Developments in Electric Loco & EMU Operations________________________________________
7. Stores Matters________________________________________
➤ Procedures for Procurement of Stock Items
➤ Procedures for Procurement of Non-Stock Items
➤ Distribution of Stores
➤ Accounting of Stores
➤ Receipt of Stores
➤ Custody of Stores
➤ Inspection of Stores
➤ Issue of Stores
➤ Disposal of Surplus Stores
➤ Sale of Surplus Stores
➤ Inventory Management
➤ ABC Analysis of Stores
➤ Procurement through Government e-Market (GeM)
➤ Procurement through IREPS
➤ Schedule of Powers under Stores Matters________________________________________
8. Tenders & Contracts________________________________________
➤ Work Proposals
➤ Types of Estimates
➤ Stages of Estimation
➤ Survey Procedures
➤ Types of Tenders
➤ Earnest Money
➤ Performance Guarantee
➤ Security Deposit
➤ Technical Eligibility Criteria
➤ Financial Eligibility Criteria
➤ Merits of EPC Contracts
➤ Demerits of EPC Contracts
➤ Indian Railways Project Management System (IRPMS)
➤ E-Tendering Procedure through IREPS
➤ Stages of Tendering
➤ General Conditions of Contract (GCC) for Works Contracts
➤ General Conditions of Contract (GCC) for Service Contracts
➤ Schedule of Powers (SOP) under Works Matters
➤ Basics of Project Management
➤ Quality Control in Electrical Works