DDA JE 2025 Syllabus & Exam Pattern | Mechanical, Electrical, Civil Complete Syllabus

DDA JE 2025 Syllabus & Exam Pattern | Complete Guide for Mechanical, Electrical, Civil & Non-Tech Syllabus

Preparing for the DDA JE 2025 Recruitment Exam can be challenging without a clear understanding of the syllabus and exam pattern. Whether you're targeting the Mechanical, Electrical, Civil, or Non-Technical streams, having a well-organized syllabus helps you focus your efforts. In this guide, we break down the complete DDA Junior Engineer (JE) Syllabus 2025, provide insights into the exam pattern, and share expert tips to help you crack the exam with ease.

DDA JE 2025 Exam Pattern Overview

Understanding the DDA JE Exam Pattern 2025 is crucial to strategize your preparation effectively. The selection process consists of a single-stage written examination designed to assess both technical knowledge and general aptitude.

 Exam Pattern Table

Sections

Topics

Total Marks

Number of Questions

Non-Technical Part

General Awareness

40 Marks

40 Questions

Reasoning

Included in Non-Tech

Quantitative Aptitude

English Language

Technical Part

Discipline/Branch Specific (Mechanical, Electrical, Civil)

80 Marks

80 Questions

Total

-

120 Marks

120 Questions

The exam is conducted in Objective (MCQ) format with a total duration of 2 hours.

Important Note: Negative marking is applicable (usually 0.25 marks deducted per wrong answer).

 

DDA JE 2025 Syllabus – Detailed Subject-Wise Breakdown

Mechanical Engineering Syllabus

Section

Topics Covered

Engineering Mechanics

Laws of Motion, Friction, Centroid, Moment of Inertia, Dynamics, Free Body Diagrams

Strength of Materials

Stress & Strain, Bending Moment & Shear Force, Torsion, Columns, Thermal Stresses

Theory of Machines

Simple Mechanisms, Gears, Flywheels, Governors, Balancing, Vibrations

Thermal Engineering

Laws of Thermodynamics, IC Engines, Refrigeration & Air Conditioning, Heat Transfer

Fluid Mechanics & Machinery

Properties of Fluids, Bernoulli’s Principle, Flow through Pipes, Pumps, Turbines

Manufacturing Technology

Casting, Welding, Machining, Machine Tools, Metrology, CNC, Additive Manufacturing

Industrial Engineering

Production Planning, Work Study, Inventory Control, Quality Control, Ergonomics

Machine Design

Design of Fasteners, Shafts, Keys, Bearings, Springs, Levers

Material Science

Types of Materials, Heat Treatment, Crystal Structure, Failure Analysis

 

Electrical Engineering Syllabus

Section

Topics Covered

Basic Electrical Engineering

Ohm’s Law, Kirchhoff’s Laws, Network Theorems, Series & Parallel Circuits, Power & Energy

Electrical Machines

Transformers, DC Machines, Induction Motors, Synchronous Machines, Starting Methods

Power Systems

Generation, Transmission & Distribution, Fault Analysis, Circuit Breakers, Protection

Measurement & Instrumentation

Electrical Instruments, Measurement of Power & Energy, Transducers, Error Analysis

Control Systems

Transfer Functions, Block Diagrams, Stability, Time Response, Controllers (PID, etc.)

Power Electronics

Diodes, SCR, MOSFET, IGBT, Rectifiers, Inverters, Converters

Utilization & Drives

Electric Heating, Welding, Illumination, Electric Traction, Motor Drives

Estimation & Costing

Wiring Methods, Load Calculation, Estimating Materials & Cost, IE Rules

 


Civil Engineering Syllabus

Particular

Details

Building Materials

Physical & Chemical properties, classification, standard tests, use & manufacturing/quarrying of materials (e.g., building stones, silicate-based materials, cement (Portland), Asbestos products, Timber & wood-based products, laminates, bituminous materials, paints, varnishes)

Surveying

Principles of surveying, working of properties, compass & bearing, plane table surveying, theodolite traverse adjustment, leveling & contouring, curvature, refraction, permanent adjustment of dumpy level, methods of contouring, uses of a control map, tachometric survey

Soil Mechanics

Origin of soil, phase diagram, definitions of void ratio, porosity, degree of saturation, water content, specific gravity of soil grains, unit weights, grain size distribution curves of coarse/fine soils, Atterberg’s limits, IS soil classification, plasticity chart, permeability, effective stress, consolidation of soils, shear strength of soils, direct shear test, vane shear test, triaxial test, soil compaction, Proctor test, standard penetration test, plate load test

Hydraulics

Fluid properties, hydrostatics, measurement of flow, Bernoulli’s theorem & its applications, flow through pipes, flow in open channels, weirs, flumes, spillways, pumps, turbines

Environmental Engineering

Quality of water, water sources, purification & distribution of water, need for sewerage systems, sewer appurtenances, surface water drainage, sewage treatment

Structural Engineering

Elasticity constants, types of beams, determinate/indeterminate beams, shear force & bending moment diagrams, stresses in beams, chimneys, dams, retaining walls, eccentric loads, stability of cantilevers, circular sections

Concrete Technology

Properties, advantages, uses of concrete, cement aggregates, water-cement ratio, workability, mix design, batching, mixing, curing, compaction, finishing, curing, hot weathering, cold weathering, repair & maintenance of concrete structures

RCC Design

RCC beams (shear strength, bond strength, design of singly/doubly reinforced beams, one/two-way slabs, isolated/combined footings, T-beams, columns), shear walls, design concepts as per Limit State & Working Stress Method

Steel Design

Steel design and construction of steel columns, beams, roof trusses, plate girders

 


Non-Technical Syllabus (Common for All Posts)

Subjects

Topics

General Awareness

Questions in this component are designed to test the candidate's general awareness of their environment and its application to society. This includes knowledge of current events and matters of everyday observation and experience. The test will also include questions about India and its neighboring countries, especially regarding History, Culture, Geography, Economic Scene, General Policy, and Scientific Research.

Reasoning

This section includes both verbal and non-verbal questions. Topics may include analogies, similarities and differences, space visualization, spatial orientation, problem-solving, analysis, judgment, decision-making, visual memory, discrimination, observation, relationship concepts, arithmetical reasoning and figural classification, arithmetic number series, non-verbal series, coding and decoding, statement conclusion, and syllogistic reasoning. The topics also cover Semantic Analogy, Symbolic/Number Analogy, Figural Analogy, Semantic Classification, Symbolic/Number Classification, Figural Classification, Semantic Series, Number Series, Figural Series, Problem Solving, Word Building, Coding & de-coding, Numerical Operations, symbolic Operations, Trends, Space Orientation, Space Visualization, Venn Diagrams, Drawing inferences, Punched hole/pattern–folding & unfolding, Figural Pattern– folding and completion, Indexing, Address matching, Date & city matching, Small & Capital letters/numbers coding, decoding, and classification.

Quantitative Aptitude

This component tests the ability to use numbers and number sense. The scope of the test includes the computation of whole numbers, decimals, fractions, and relationships between numbers, Percentages, Ratios & Proportions, Square roots, Averages, Interests, Profit and Loss, Discounts, Partnership Business, Mixture and Allegation, Time and distance, Time & Work, Basic algebraic identities of School Algebra, Triangle and its various kinds of centers, Congruence and similarity of triangles, Circle and its chords, tangents, angles subtended by chords of a circle, common tangents to two or more circles, Triangle, Quadrilaterals, Regular Polygons, Circle, Sphere, Hemispheres, Rectangular Parallelepiped, Regular Right Pyramid with triangular or square base, Trigonometric ratio, Standard Identities, Complementary angles, Heights and Distances, Histogram, Frequency polygon, Bar diagram & Pie chart.

English Language & Comprehension

This section is designed to test a candidate's understanding and knowledge of the English language. Questions will be based on spotting errors, filling in the blanks, synonyms, antonyms, spelling/detecting misspelled words, idioms & phrases, one-word substitution, improvement of sentences, active/passive voice of verbs, conversion into direct/indirect narration, shuffling of sentence parts, shuffling of sentences in a passage, cloze passage & comprehension passage.

 

Download Official DDA JE Syllabus PDF click hare


Understand the exam pattern thoroughly and allocate time based on subject difficulty.

Practice previous years’ papers and mock tests regularly.

Focus on core technical subjects but don’t neglect general awareness and English.

Make short notes for quick revisions.

Stay updated with current affairs relevant to India.


Frequently Asked Questions (FAQs)

Q1. What is the DDA JE selection process?

The selection process for DDA JE recruitment typically consists of a single stage: a Computer-Based Test (CBT). After the exam, candidates who qualify based on merit are called for document verification and a medical examination.

Q2. When will the DDA JE 2025 exam be held?

According to the latest information, the DDA JE 2025 exam is tentatively scheduled to be conducted in December 2025 or January 2026. The official and final dates will be announced on the DDA website after the application period concludes.

Q3. What is the eligibility criteria for the DDA JE exam?

The eligibility criteria are based on educational qualification, age, and nationality.

Educational Qualification: You must have a diploma in the relevant engineering discipline (Civil, Electrical, or Mechanical) from a recognized institution.

Age Limit: The minimum age is 18 years and the maximum is 27 years as of the closing date of the application.

Age Relaxation: There are age relaxations for reserved categories such as SC/ST (5 years) and OBC (3 years), as per government norms.


Final thoughts

Having a structured preparation strategy starts with understanding the DDA JE 2025 Syllabus & Exam Pattern in depth. Focus your energy on mastering the core technical subjects while keeping time for reasoning, general knowledge, and English language sections. Download the syllabus, follow a study plan, and consistently practice to maximize your success chances.

 Start your DDA JE preparation today and get ahead of the competition!

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