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Engineering & TechnicalONGC AEE
Oil & Natural Gas Corporation
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आपकी प्रोफ़ाइल के अनुसार पात्रता
साइन इन आवश्यकONGC AEE के लिए अपनी पात्रता जाँचने हेतु साइन इन करें
व्यक्तिगत परिणाम और उसके स्पष्ट कारण पाने के लिए अपनी निजी छात्र प्रोफ़ाइल का उपयोग करें।
यह प्रारंभिक प्रोफ़ाइल मिलान है। आवेदन से पहले नवीनतम आधिकारिक सूचना में हर नियम की पुष्टि करें।
परीक्षा सारांश
अवलोकन
आयोजक संस्था
Oil & Natural Gas Corporation
आपको क्या मिलेगा
Assistant Executive Engineer posts at ONGC
नवीनतम सामग्री चक्र
2026
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Plan with confidence
Complete exam guide
Eligibility, pattern, syllabus, dates and official resources in one structured view.
EligibilityPending verification
Exam patternPending verification
Qualification pathway
Clear each applicable stage in order
Final selection or admission still depends on the published cutoff or merit list and any applicable counselling, document, medical, preference and vacancy rules.
Selection sequence
- 1
Computer Based Test (CBT)
RequiredCBT score is used to shortlist candidates in a 1:5 ratio for the Personal Interview. Where multiple candidates secure the minimum cut-off marks, all of them are shortlisted in relaxation of the ratio. To qualify in the CBT, General/EWS/OBC candidates must score a minimum of 45% marks and SC/ST/PwBD candidates a minimum of 40%.
- 2
Personal Interview
RequiredTo qualify in the interview, General/EWS/OBC candidates must score a minimum of 60% i.e. 9 marks out of 15, and SC/ST/PwBD candidates a minimum of 40% i.e. 6 marks out of 15.
- 3
Medical Examination
RequiredCandidates who qualify in the interview are called for medical examination in order of their relative rank in the merit list. An offer of appointment is issued only to candidates declared medically fit; mere appearance in the medical examination confers no right to appointment.
Paper and stage details
What each stage contains
Computer Based Test (CBT)
Objective type, multiple choice, 85 questions in 2 hoursQuestions
Not stated
Maximum marks
Not stated
Duration
Not stated
Personal Interview
Interview; shortlisted candidates may also be subjected to a Group Discussion, which is not of a qualifying natureQuestions
Not stated
Maximum marks
Not stated
Duration
Not stated
Medical Examination
Medical fitness examination under the ONGC Medical Examination of Employees RulesQuestions
Not stated
Maximum marks
Not stated
Duration
Not stated
SyllabusPending verification
सभी 8 विषय और 86 अध्याय शामिल हैं — कुल 950 टॉपिक में से 420 यहाँ दिखाए गए हैं।कुछ भी हटाया नहीं गया है। हर विषय में उसकी पूरी टॉपिक सूची का लिंक मौजूद है।
Petroleum Engineering
Linear Algebra
- Matrix algebra
- Systems of linear equations
- Eigen values and eigen vectors
Calculus
- Functions of single variable
- Limit
- continuity and differentiability
- Taylor series
Differential Equations
- First order equations (linear and nonlinear)
- Higher order linear differential equations with constant coefficients
- Cauchy’s and Euler’s equations
- Initial and boundary value problems
Complex Variables
- Complex number
- polar form of complex number
- triangle inequality
Probability and Statistics
- Definitions of probability and sampling theorems
- Conditional probability
- Mean
- median
Numerical Methods
- Numerical solutions of linear and non-linear algebraic equations
- Integration by trapezoidal and Simpson’s rule
- Single and multi-step methods for numerical solution of differential equations
Petroleum Exploration
- Classification and description of some common rocks with special reference to clastic and nonelastic reservoir rocks
- Origin
- migration and accumulation of Petroleum
- Petroleum exploration methods
Oil and Gas Well Drilling Technology
- Well planning
- Drilling method
- Drilling rigs Rig operating systems
- Drilling fluids function and properties
Reservoir Engineering
- Petrophysical properties of reservoir rocks
- Coring and core analysis
- Reservoir fluid properties
- Phase behaviour of hydrocarbon system
Petroleum Production Operations
- Well equipments
- Well completion techniques
- Well production problems and mitigation
- Well servicing & Workover operations
Offshore Drilling and Production Practices
- Offshore oil and gas operations & ocean environment
- Offshore fixed platforms
- Offshore mobile units
- Station keeping methods like mooring & dynamic positioning system
Petroleum Formation Evaluation
- Evaluation of petrophysical of sub-surface formations: Principles applications
- advantages and disadvantages of SP
- resistivity
- radioactive
Oil and Gas Well Testing
- Diffusivity equation
- derivation & solutions
- Radius of investigation
- Principle of superposition
Health Safety and Environment in Petroleum Industry
- Health hazards in Petroleum Industry: Toxicity
- Physiological
- Asphyxiation
- respiratory and skin effect of petroleum hydrocarbons
Enhanced Oil Recovery Techniques
- Basic principles and mechanism of EOR
- Screening of EOR process
- Concept of pattern flooding
- recovery efficiency
Application in Oil & Gas Business
- Operation & maintenance of Surface facilities (Separator, heater treater, crude stabilization, Storage tank, static equipment, compressor & pumps etc.)
- Operation of Group gathering stations
- offshore Platforms
- Artificial lift technology (Gas lift, sucker rod pumps etc)
इस विषय के 189 टॉपिक में से 61 दिखाए गए हैं।सभी 189 टॉपिक देखें →
Mechanical Engineering
Linear Algebra
- Matrix algebra
- systems of linear equations
- eigen values and eigen vectors
Calculus
- Functions of single variable
- limit
- continuity and differentiability
- mean value theorems
- indeterminate forms
- evaluation of definite and improper integrals
- double and triple integrals
- partial derivatives
- total derivative
- Taylor series (in one and two variables)
- maxima and minima
- Fourier series
- gradient
- divergence and curl
- vector identities
- directional derivatives
- line
- surface and volume integrals
- applications of Gauss
- Stokes and Green’s theorems
Differential Equations
- First order equations (linear and nonlinear)
- higher order linear differential equations with constant coefficients
- Euler-Cauchy equation
- initial and boundary value problems
- Laplace transforms
- solutions of heat
- wave and Laplace's equations
Complex Variables
- Analytic functions
- Cauchy-Riemann equations
- Cauchy’s integral theorem and integral formula
- Taylor and Laurent series
Probability and Statistics
- Definitions of probability
- sampling theorems
- conditional probability
- mean
- median
- mode and standard deviation
- random variables
- binomial
- Poisson and normal distributions
Numerical Methods
- Numerical solutions of linear and non-linear algebraic equations
- integration by trapezoidal and Simpson’s rules
- single and multi-step methods for differential equations
Engineering Mechanics
- Free-body diagrams and equilibrium
- friction and its applications including rolling friction
- belt-pulley
- brakes
- clutches
- screw jack
- wedge
- vehicles, etc
- trusses and frames
- virtual work
- kinematics and dynamics of rigid bodies in plane motion
- impulse and momentum (linear and angular) and energy formulations
- Lagrange’s equation
Mechanics of Materials
- Stress and strain
- elastic constants
- Poisson's ratio
- Mohr’s circle for plane stress and plane strain
- thin cylinders
- shear force and bending moment diagrams
- bending and shear stresses
- concept of shear centre
- deflection of beams
- torsion of circular shafts
- Euler’s theory of columns
- energy methods
- thermal stresses
- strain gauges and rosettes
- testing of materials with universal testing machine
- testing of hardness and impact strength
Theory of Machines
- Displacement
- velocity and acceleration analysis of plane mechanisms
- dynamic analysis of linkages
- cams
- gears and gear trains
- flywheels and governors
- balancing of reciprocating and rotating masses
- gyroscope
Vibrations
- Free and forced vibration of single degree of freedom systems
- effect of damping
- vibration isolation
- resonance
- critical speeds of shafts
Machine Design
- Design for static and dynamic loading
- failure theories
- fatigue strength and the S-N diagram
- principles of the design of machine elements such as bolted
- riveted and welded joints
- shafts
- gears
- rolling and sliding contact bearings
- brakes and clutches
- springs
Fluid Mechanics
- Fluid properties
- fluid statics
- forces on submerged bodies
- stability of floating bodies
- control-volume analysis of mass
- momentum and energy
- fluid acceleration
- differential equations of continuity and momentum
- Bernoulli’s equation
- dimensional analysis
- viscous flow of incompressible fluids
- boundary layer
- elementary turbulent flow
- flow through pipes
- head losses in pipes
- bends and fittings
- basics of compressible fluid flow
Heat Transfer
- Modes of heat transfer
- one dimensional heat conduction
- resistance concept and electrical analogy
- heat transfer through fins
- unsteady heat conduction
- lumped parameter system
- Heisler's charts
- thermal boundary layer
- dimensionless parameters in free and forced convective heat transfer
- heat transfer correlations for flow over flat plates and through pipes
- effect of turbulence
- heat exchanger performance
- LMTD and NTU methods
- radiative heat transfer
- Stefan- Boltzmann law
- Wien's displacement law
- black and grey surfaces
- view factors
- radiation network analysis
Thermodynamics
- Thermodynamic systems and processes
- properties of pure substances
- behavior of ideal and real gases
- zeroth and first laws of thermodynamics
- calculation of work and heat in various processes
- second law of thermodynamics
- thermodynamic property charts and tables
- availability and irreversibility
- thermodynamic relations
Applications
- Power Engineering: Air and gas compressors
- vapour and gas power cycles
- concepts of regeneration and reheat
- I.C. Engines: Air-standard Otto
- Diesel and dual cycles
- Refrigeration and airconditioning: Vapour and gas refrigeration and heat pump cycles
- properties of moist air
- psychrometric chart
- basic psychrometric processes
Turbomachinery
- Impulse and reaction principles
- velocity diagrams
- Pelton-wheel
- Francis and Kaplan turbines
- steam and gas turbines
Engineering Materials
- Structure and properties of engineering materials
- phase diagrams
- heat treatment
- stress-strain diagrams for engineering materials
Casting, Forming and Joining Processes
- Different types of castings
- design of patterns
- moulds and cores
- solidification and cooling
- riser and gating design
- Plastic deformation and yield criteria
- fundamentals of hot and cold working processes
- load estimation for bulk (forging, rolling, extrusion, drawing) and sheet (shearing, deep drawing, bending) metal forming processes
- principles of powder metallurgy
- Principles of welding
- brazing
- soldering and adhesive bonding
Machining and Machine Tool Operations
- Mechanics of machining
- basic machine tools
- single and multi-point cutting tools
- tool geometry and materials
- tool life and wear
- economics of machining
- principles of non-traditional machining processes
- principles of work holding
- jigs and fixtures
- abrasive machining processes
- NC/CNC machines and CNC programming
Metrology and Inspection
- Limits
- fits and tolerances
- linear and angular measurements
- comparators
- interferometry
- form and finish measurement
- alignment and testing methods
- tolerance analysis in manufacturing and assembly
- concepts of coordinate-measuring machine (CMM)
Computer Integrated Manufacturing
- Basic concepts of CAD/CAM and their integration tools
- additive manufacturing
Production Planning and Control
- Forecasting models
- aggregate production planning
- scheduling
- materials requirement planning
- lean manufacturing
Inventory Control
- Deterministic models
- safety stock inventory control systems
Operations Research
- Linear programming
- simplex method
- transportation
- assignment
- network flow models
- simple queuing models
- PERT and CPM
Application in Oil & Gas Business
- Operation & maintenance of Surface facilities (Separator, heater treater, crude stabilization, Storage tank, static equipment, compressor & pumps etc.)
- Operation of Group gathering stations
- offshore Platforms
- Artificial lift technology (Gas lift, sucker rod pumps etc)
- Processing and recovery of value-added product (LPG, Naptha, C2, C3 etc.)
- Gas sweetening operations
- Gas dehydration operations etc
- Work over Rig operations
- well head maintenance
- Well completion & Testing etc
- Various types of well stimulation services (hydro-fracturing, Nitrogen Job, Acid job)
- Project management
- oil & gas pipeline
- Health Safety & Environment related knowledge in oil & gas sector
इस विषय के सभी 223 टॉपिक दिखाए गए हैं।कम टॉपिक दिखाएँ
Chemical Engineering
Linear Algebra
- Matrix algebra
- Systems of linear equations
- Eigen values and eigenvectors
Calculus
- Functions of single variable
- Limit
- continuity and differentiability
- Taylor series
Differential Equations
- First order equations (linear and nonlinear)
- Higher order linear differential equations with constant coefficients
- Cauchy’s and Euler’s equations
- Initial and boundary value problems
Complex Variables
- Complex number
- polar form of complex number
- triangle inequality
Probability and Statistics
- Definitions of probability and sampling theorems
- Conditional probability
- Mean
Numerical Methods
- Numerical solutions of linear and non-linear algebraic equations
- Integration by trapezoidal and Simpson’s rule
- Single and multi-step methods for numerical solution of differential equations
Process Calculations and Thermodynamics
- Steady and unsteady state mass and energy balances including multiphase
- multi-component
- reacting and non-reacting systems
Fluid Mechanics and Mechanical Operations
- Fluid statics
- surface tension
- Newtonian and non-Newtonian fluids
Heat Transfer
- Equation of energy
- steady and unsteady heat conduction
- convection and radiation
Mass Transfer
- Fick’s laws
- molecular diffusion in fluids
- mass transfer coefficients
Chemical Reaction Engineering
- Theories of reaction rates
- kinetics of homogeneous reactions
- interpretation of kinetic data
Instrumentation and Process Control
- Measurement of process variables
- sensors and transducers
- P&ID equipment symbols
Plant Design and Economics
- Principles of process economics and cost estimation including depreciation and total annualized cost
- cost indices
- rate of return
Chemical Technology
- Inorganic chemical industries (sulfuric acid, phosphoric acid, chlor-alkali industry)
- fertilizers (Ammonia, Urea, SSP and TSP)
- natural products industries (Pulp and Paper, Sugar, Oil, and Fats)
Application in Oil & Gas Business
- Operation & maintenance of Surface facilities (Separator, heater treater, crude stabilization, Storage tank, static equipment, compressor & pumps etc.)
- Operation of Group gathering stations
- offshore Platforms
इस विषय के 161 टॉपिक में से 47 दिखाए गए हैं।सभी 161 टॉपिक देखें →
Instrumentation Engineering
Linear Algebra
- Matrix algebra
- systems of linear equations
- consistency and rank
Calculus
- Mean value theorems
- theorems of integral calculus
- partial derivatives
Differential Equations
- First order equation (linear and nonlinear)
- second order linear differential equations with constant coefficients
- method of variation of parameters
Analysis of Complex Variables
- Analytic functions
- Cauchy’s integral theorem and integral formula
- Taylor’s and Laurent’s series
Probability and Statistics
- Sampling theorems
- conditional probability
- mean
Numerical Methods
- Matrix inversion
- solutions of non-linear algebraic equations
- iterative methods for solving differential equations
Electricity and Magnetism
- Coulomb's Law
- Electric Field Intensity
- Electric Flux Density
Electrical Circuits and Machines
- Voltage and Current Sources
- Independent
- dependent
Signals and Systems
- Periodic
- aperiodic and impulse signals
- Laplace
Control Systems
- Feedback principles
- signal flow graphs
- transient response
Analog Electronics
- Characteristics and applications of diode
- Zener diode
- BJT and MOSFET
Digital Electronics
- Combinational logic circuits
- minimization of Boolean functions
- IC families: TTL and CMOS
Measurements
- SI units
- standards (R, L, C, voltage, current and frequency)
- systematic and random errors in measurement
Sensors and Industrial Instrumentation
- Resistive-, capacitive-, inductive-, piezoelectric-, Hall effect sensors and associated signal conditioning circuits
- transducers for industrial instrumentation: displacement (linear and angular)
- velocity
Communication and Optical Instrumentation
- Amplitude- and frequency modulation and demodulation
- Shannon's sampling theorem
- pulse code modulation
इस विषय के 223 टॉपिक में से 45 दिखाए गए हैं।सभी 223 टॉपिक देखें →
Geology
Section 1
- Earth and planetary system – terrestrial planets and moons of the solar system
- size
- shape
Geomorphology
- Geomorphic processes and agents
- development and evolution of landforms in continental and oceanic settings
- tectonic geomorphology
Structural Geology
- Forces and mechanism of rock deformation
- primary and secondary structures
- geometry and genesis of planar and linear structures (bedding, cleavage, schistosity, lineation)
Crystallography and Mineralogy
- Elements of crystal symmetry
- form and twinning
- crystallographic projection
Geochemistry
- Cosmic abundance of elements
- meteorites
- geochemical evolution of the earth
Igneous Petrology
- Classification
- forms
- textures and genesis of common igneous rocks
Sedimentology
- Texture
- structure and sedimentary processes
- petrology of common sedimentary rocks
Metamorphic Petrology
- Structures and textures of metamorphic rocks
- Physico-chemical conditions of metamorphism and concept of metamorphic facies
- grade and baric types
Paleobiology
- Diversity of life through time
- mass extinctions- causes and effects
- taphonomy - processes of fossilization
Stratigraphy
- Principles of stratigraphy and concepts of correlation
- Lithostratigraphy
- biostratigraphy and chronostratigraphy
Resource Geology
- Ore-mineralogy
- ore forming processes vis-à-vis ore-rock association (magmatic, hydrothermal, sedimentary, supergene and metamorphogenic ores)
- fluid inclusions as ore genetic tools
Global Tectonics
- Plate motions
- driving mechanisms
- plate boundaries
Applied Geology
- Physico-mechanical properties of rocks and soils
- rock index tests
- Rock failure criteria (Mohr-Coulomb, Griffith and Hoek-Brown criteria)
Hydrogeology
- Groundwater flow and exploration
- well hydraulics and water quality
Basic Principles of Remote Sensing
- energy sources and radiation principles
- atmospheric absorption
- interaction of energy with earth’s surface
इस विषय के 154 टॉपिक में से 44 दिखाए गए हैं।सभी 154 टॉपिक देखें →
General Awareness
आधिकारिक पाठ्यक्रम के मानकीकरण तक टॉपिक प्रतीक्षित हैं।
Aptitude Test
आधिकारिक पाठ्यक्रम के मानकीकरण तक टॉपिक प्रतीक्षित हैं।
English Language
आधिकारिक पाठ्यक्रम के मानकीकरण तक टॉपिक प्रतीक्षित हैं।
Important datesPending verification
2026 cycle
Next confirmed event
Cbt Date: 2026-09-06
What happens next
Confirmed upcoming schedule
Cbt Date
Upcoming2026-09-06
Full published timeline3 completed · 0 awaiting dates⌄
Registration Closes
Completed2026-07-31
Registration Starts
Completed2026-07-17
Notification Published
Completed2026-07-16
Job profile & salaryPending verification
Level
E1
Basic Pay Scale
Rs 60,000 - 1,80,000 per month
Indicative CTC
Approx. Rs 26 lacs CTC, as stated in the advertisement
Posting
Selected candidates are liable to be posted anywhere in India (Asset/Basin/Institute/Plant/HQ etc) or abroad.
Post Allocation
Allocation of ONGC's designated post to a selected candidate is as per the decision of Management, subject to availability of vacancy, and ONGC's decision is final and binding.
Employer
ONGC describes itself in this advertisement as India's Maharatna energy leader contributing over 73% of the nation's oil and 57% of gas production, with a presence in 18 countries and a community of around 22,600 professionals.
CutoffsNot loaded
Previous-year papersPending verification
Books & study sourcesNot loaded
Official & trusted free resourcesPending verification
How to applyPending verification
- 1Visit the ONGC website to register the application online. The registration site remained open from 17/07/2026 to 31/07/2026.
- 2Apply for only one academic/engineering stream, chosen on the basis of your qualification. Where multiple applications are received, the latest is final and older ones are rejected.
- 3Keep a mobile number and e-mail ID ready - the OTP for completing registration is sent to them - and keep them active for at least one year from the date of registration.
- 4Pay the registration fee online.
- 5No changes are allowed once the online application has been submitted.
FAQsPending verification
Does ONGC still recruit Assistant Executive Engineers through GATE?
Not in the current cycle. Advt. No. 2/2026 (R&P) is titled 'Recruitment of Geologists and Engineers at E1 level through Computer Based Test (CBT)' and selection runs on ONGC's own CBT, a Personal Interview and a Medical Examination. ONGC did use GATE scores for this recruitment up to the GATE-2023 cycle (Advt. No. 1/2024), and moved to its own CBT from Advt. No. 1/2025 onward.
How many questions are in the ONGC CBT and how long is it?
85 multiple choice questions in 2 hours: 40 on the concerned domain, 10 General Awareness, 25 Aptitude and 10 English Language. There is no negative marking.
What score do I need to qualify?
In the CBT, General, EWS and OBC candidates need a minimum of 45% marks and SC/ST/PwBD candidates a minimum of 40%. In the interview, General/EWS/OBC candidates need 60% (9 of 15 marks) and SC/ST/PwBD candidates 40% (6 of 15 marks). Both must be cleared separately to be empanelled.
How much does the CBT score count in the final result?
The CBT carries 85 marks and the interview 15, out of 100.
Which streams are being recruited in 2026 and how many posts?
Five streams with 52 posts in total: Mechanical Engineering 27, Chemical Engineering 10, Petroleum Engineering 9, Geology 4 and Instrumentation Engineering 2.
Can I apply for more than one stream?
No. The advertisement allows an application for only one academic/engineering stream. If several applications are submitted, the latest is taken as final and the earlier ones are rejected.
Final eligibility and dates are always subject to the latest official notification. Content marked “Pending verification” is not presented as verified advice.