The ONGC Engineers Trainee Syllabus and Exam Pattern 2026 is a crucial guide for aspirants aiming to secure a prestigious position in Oil and Natural Gas Corporation (ONGC), one of India’s leading public sector enterprises. Every year, ONGC conducts recruitment for Engineers Trainees across various disciplines such as Mechanical, Electrical, Civil, Chemical, and others through a structured selection process. Understanding the latest syllabus and exam pattern is essential for candidates to plan an effective preparation strategy and stay ahead in the competition.
The recruitment process is expected to focus on evaluating candidates’ technical knowledge, problem-solving ability, and overall aptitude. The written examination generally includes subject-specific questions based on the candidate’s engineering discipline, along with sections that may assess general awareness or reasoning skills. In addition, the selection process may also involve shortlisting through GATE scores, followed by interviews.
Having a clear understanding of the syllabus helps candidates identify important topics, prioritize subjects, and manage their time efficiently. This article provides a detailed overview of the ONGC Engineers Trainee Syllabus and Exam Pattern 2026, enabling aspirants to prepare with confidence and clarity.
| Particulars | Details |
|---|---|
| Exam Mode | Computer-Based Test (CBT) |
| Total Questions | 85 |
| Total Marks | 85 |
| Duration | 2 Hours |
| Question Type | Objective (MCQs) |
| Negative Marking | No Negative Marking |
| Selection Process | CBT + Interview + Medical |
| Weightage | CBT (85%) + Interview (15%) |
The exam is divided into 4 sections, with the technical subject carrying the highest weightage.
| Section | Subject | No. of Questions | Marks |
|---|---|---|---|
| Part I | Concerned Engineering Discipline (Technical) | 40 | 40 |
| Part II | General Awareness | 10 | 10 |
| Part III | Aptitude (Quantitative + Reasoning) | 25 | 25 |
| Part IV | English Language | 10 | 10 |
| Total | — | 85 | 85 |
The technical section is based largely on GATE-level concepts.
| Discipline | Important Topics |
|---|---|
| Mechanical Engineering | Thermodynamics, Fluid Mechanics, Heat Transfer, Strength of Materials, Theory of Machines, Production Engineering |
| Electrical Engineering | Electrical Machines, Power Systems, Control Systems, Network Theory, Power Electronics |
| Civil Engineering | Structural Analysis, RCC, Geotechnical Engineering, Environmental Engineering, Transportation |
| Chemical Engineering | Process Calculations, Thermodynamics, Fluid Mechanics, Heat Transfer, Mass Transfer, Reaction Engineering |
| Petroleum Engineering | Drilling Engineering, Reservoir Engineering, Production Technology, Well Logging |
| Instrumentation | Sensors & Transducers, Control Systems, Process Instrumentation, Digital Electronics |
| Geology/Geophysics | Structural Geology, Stratigraphy, Geophysics Methods, Sedimentology |
Syllabus is discipline-specific and aligned with graduation + GATE syllabus.
| Topics |
|---|
| Current Affairs (National & International) |
| Indian Economy |
| Geography & Polity |
| Science & Technology |
| Oil & Gas Industry Basics |
| Topics |
|---|
| Number System |
| Percentage, Profit & Loss |
| Time & Work, Time & Distance |
| Data Interpretation |
| Logical Reasoning |
| Analytical Ability |
| Topics |
|---|
| Reading Comprehension |
| Grammar (Error Detection, Sentence Correction) |
| Vocabulary |
| Synonyms & Antonyms |
| Para Jumbles |
Branch-wise detailed ONGC Engineers Trainee (AEE) Syllabus 2026 in a PDF-style structured format (subject → topics → subtopics) for Mechanical, Civil, and Electrical Engineering.
The technical syllabus is based on core engineering subjects (GATE-level + graduation concepts)
| Subject | Detailed Topics |
|---|---|
| Engineering Mechanics | Laws of motion, equilibrium, friction, work-energy, impulse |
| Strength of Materials | Stress-strain, bending, torsion, shear force & bending moment |
| Theory of Machines | Gears, cams, vibrations, kinematics of machines |
| Machine Design | Design of shafts, gears, bearings, springs |
| Thermodynamics | Laws of thermodynamics, entropy, cycles (Carnot, Rankine) |
| Fluid Mechanics | Fluid properties, statics, dynamics, flow measurement |
| Heat Transfer | Conduction, convection, radiation, heat exchangers |
| IC Engines | Petrol & diesel engines, performance, combustion |
| Refrigeration & AC | Refrigeration cycles, air conditioning systems |
| Manufacturing Engineering | Casting, welding, machining, CNC, production systems |
| Industrial Engineering | Work study, inventory, optimization |
| Subject | Detailed Topics |
|---|---|
| Engineering Mechanics | Forces, equilibrium, trusses, frames |
| Structural Analysis | Bending moments, deflection, indeterminate structures |
| RCC & Steel Design | Limit state design, beams, slabs, columns |
| Geotechnical Engineering | Soil mechanics, foundation engineering, bearing capacity |
| Fluid Mechanics | Properties of fluids, flow, hydraulics |
| Environmental Engineering | Water supply, sewage treatment, solid waste |
| Transportation Engineering | Highway design, traffic engineering |
| Surveying | Leveling, theodolite, total station |
| Construction Planning | CPM, PERT, project management |
| Engineering Mathematics | Probability, statistics, numerical methods |
| Subject | Detailed Topics |
|---|---|
| Electrical Circuits | Network theorems, AC/DC circuits, transient analysis |
| Electrical Machines | Transformers, motors, generators |
| Power Systems | Generation, transmission, distribution, load flow |
| Control Systems | Feedback systems, stability, transfer functions |
| Power Electronics | Rectifiers, inverters, converters |
| Measurements | Instruments, errors, bridges |
| Analog Electronics | Diodes, transistors, amplifiers |
| Digital Electronics | Logic gates, flip-flops, microprocessors |
| Signals & Systems | Fourier series, Laplace transform |
| Electrical Engineering Materials | Conductors, insulators |
| Branch | Core Focus |
|---|---|
| Mechanical | Thermal + Design + Production |
| Civil | Structures + Soil + Environment |
| Electrical | Power + Machines + Control |
The Oil and Natural Gas Corporation (ONGC) conducts recruitment for GET posts at E1 level. The 2026 recruitment has started from July 2026, and selection may include CBT + Interview or GATE-based shortlisting (depending on notification).
The selection process generally includes:
GATE score often plays an important role in shortlisting candidates.
| Particulars | Details |
|---|---|
| Mode of Exam | Online (CBT) |
| Duration | 120 minutes (approx.) |
| Total Questions | ~85 (objective type) |
| Sections | Technical + Aptitude + English + GK |
| Negative Marking | No (generally) |
| Difficulty Level | GATE-level (Technical) |
Technical section carries the highest weightage in the exam.
| Section | Weightage |
|---|---|
| Technical Subject | 60–70% |
| General Awareness | 10–15% |
| Aptitude & Reasoning | 10–15% |
| English Language | 5–10% |
The syllabus is mainly divided into two parts:
Based on GATE syllabus of your discipline
Technical syllabus is largely aligned with GATE-level concepts.
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