The ONGC AEE Syllabus 2026 is a crucial reference guide for engineering and science graduates aiming to crack the Oil and Natural Gas Corporation (ONGC) Assistant Executive Engineer recruitment examination. The positions of AEE and geoscience are extremely competitive at ONGC, which is one of India's top Maharatna Public Sector Undertakings.
Candidates should get a clear idea regarding the ONGC AEE Exam Pattern 2026, ONGC AEE Subject-wise Weightage, and ONGC AEE Branch Technical Syllabus to crack the examination with a brilliant performance. In addition to professional knowledge, candidates are also tested on aptitude, English language skills and general awareness.
EA Publications has added this article to give you a brief overview of the ONGC AEE Syllabus 2026, Exam Pattern, and Branch-wise Syllabus along with exam preparation strategy.
ONGC AEE Exam Pattern 2026
| Particulars | Details |
| Organisation | Oil and Natural Gas Corporation Limited (ONGC) |
| Posts | Assistant Executive Engineer and Geoscience Posts |
| Exam Mode | Computer-Based Test |
| Total Questions | 85 |
| Exam Duration | 2 Hours |
| Technical/Discipline Section | 40 Questions |
| Aptitude Test | 25 Questions |
| General Awareness | 10 Questions |
| English Language | 10 Questions |
The technical section is the most weighty, with 40 questions out of 85 being based on the candidate's engineering or Geoscience field of concern. Hence, the candidates should give maximum attention to the core technical subjects and practice regularly for the remaining subjects.
ONGC AEE Branch-Wise Syllabus 2026
The technical syllabus varies depending on the discipline. The candidates are required to prepare the subjects, depending upon the branch they opt for, with due care and caution.
ONGC AEE Mechanical Engineering Syllabus
Engineering students aspiring to mechanical engineering should concentrate on basic engineering courses as well as application courses related to the oil & gas sector. There are many topics that are important such as Engineering Mathematics, Engineering Mechanics, Strength of Materials, Theory of Machines, Machine Design, Vibrations, Fluid Mechanics, Thermodynamics, Heat Transfer and Turbomachinery.
Other key activities are Engineering Materials, Manufacturing Engineering, Metrology and Inspection, Production Planning, Inventory Management, Surface Facility Operations, Offshore Platforms and Artificial Lift Technology.
In Thermodynamics, Fluid Mechanics, Strength of Materials and Machine Design, numerical practice is very important.
ONGC AEE Petroleum Engineering Syllabus
The Petroleum Engineering Syllabus is based on the upstream exploration and production activities. The candidates should be prepared in the following areas: Petroleum Exploration, Drilling Technology, Reservoir Engineering, Production Engineering, Formation Evaluation, Well Testing, Offshore Drilling, Enhanced Oil Recovery.
Topics related to Health, Safety and Environment (HSE) and oil and gas production operations are also important. Students should gain knowledge and understanding of both theoretical aspects and field applications.
ONGC AEE Chemical Engineering Syllabus
Chemical Engineering syllabus includes Process Calculations, Chemical Engineering Thermodynamics, Fluid Mechanics, Mechanical Operations, Heat Transfer, Mass Transfer and Chemical Reaction Engineering for Chemical Engineering candidates.
The preparation plan should also include Instrumentation, Process Control, Plant Design, Chemical Technology and Plant Economics. Process calculations and numerical problem-solving are important areas of proficiency which can make a significant contribution to performance.
ONGC AEE Electrical Engineering Syllabus
For Electrical Engineering candidates, the course of Engineering Mathematics, Electric Circuits, Electromagnetic Fields, Signals and Systems, Electrical Machines and Power Systems should be revised.
Other significant topics include Control Systems, Electrical Measurements, Analog Electronics, Digital Electronics and Power Electronics. The candidates are required to concentrate on conceptual clarity and to solve numerical problems regularly in the field of electrical machines, power systems, and control engineering.
ONGC AEE Geology and Geophysics Syllabus
Earth and Planetary Systems, Geomorphology, Structural Geology, Crystallography, Mineralogy, Petrology, Sedimentology, Paleobiology, Stratigraphy and Geochemistry are recommended for student preparation for the geology paper.
Other topics include Hydrogeology, Resource Geology, Remote Sensing, Well Logging and Geophysical Prospecting Methods.
The key areas for Geophysics are: Solid Earth Geophysics, Earthquake Seismology, Gravity and Magnetic Methods, Electrical and Electromagnetic Methods, Seismic Exploration, Reservoir Geophysics, Signal Processing, Geophysical Well Logging and Geophysical Inversion.
ONGC AEE Physics Syllabus
Advanced level topics like Mathematical Physics, Vector Calculus, Classical and Lagrangian Mechanics, Special Relativity, Electromagnetic Theory and Quantum Mechanics should be prepared by Physics candidates.
Other important topics are Thermodynamics, Statistical Physics, Atomic and Molecular Physics, Solid State Physics, Electronics, Nuclear Physics and Particle Physics. Numerical and conceptual questions are a key area of this discipline and it is important to practice regularly.
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The focus on EA Publications Study Material is simplified concepts, a large number of practice questions, previous year questions with detailed solutions, and quick revision materials. Candidates should have a strong preparation plan with the help of structured study material, mock tests, and periodic revision.
FAQs
- What is the exam pattern for ONGC AEE 2026?
The ONGC AEE CBT has a total of 85 questions, all of which are objective-type questions to be completed within 2 hours. There are 40 questions from the concerned discipline, 25 aptitude questions, 10 general awareness questions, and 10 English language questions in the paper.
- Is the ONGC AEE syllabus the same in all the branches?
No. Mechanical Engineering, Electrical Engineering, Chemical and Petroleum Engineering, and Geology and Geophysics have different technical syllabus. The aptitude, English language, and general awareness sections, however, are common to all disciplines.
- How should candidates prepare for the ONGC AEE Exam?
Candidates need to focus on their technical subjects, practise previous year questions, and take regular mock tests. Daily practice of the aptitude tests, daily revision of current affairs, and systematic revision are also essential for enhancing overall performance.
