ONGC ET Preparation Guide

ONGC (Oil and Natural Gas Corporation Limited)

Your Complete Preparation Guide for ONGC ET 2027 — strategy, study plan, tips & more.

DifficultyVery Hard
Total Marks200
Duration150 min

Exam Overview

Mode

Online (CBT) / GATE-based

Frequency

As per vacancy notification

Next Exam Date

October 2028

EEligibility Criteria

B.Tech / BE in relevant discipline, age 21–28 years

ANumber of Attempts

As per ONGC notification

Study Plan by Subject

Technical (Core Engineering)

1

Week 1-4: Foundation

Core concepts & basics

2

Week 5-8: Deep Practice

Advanced problems & revision

3

Week 9-12: Mock Tests + Revision

Full-length tests & weak-area focus

Refer to official syllabus for complete topic list

Aptitude

1

Week 1-4: Foundation

Core concepts & basics

2

Week 5-8: Deep Practice

Advanced problems & revision

3

Week 9-12: Mock Tests + Revision

Full-length tests & weak-area focus

Refer to official syllabus for complete topic list

General Knowledge

1

Week 1-4: Foundation

Core concepts & basics

2

Week 5-8: Deep Practice

Advanced problems & revision

3

Week 9-12: Mock Tests + Revision

Full-length tests & weak-area focus

Refer to official syllabus for complete topic list

Expert Preparation Tips

1

GATE is the gateway to ONGC — target GATE scores in the top 2–3% of your discipline as ONGC cutoffs are extremely competitive

2

For Petroleum Engineering branch, master reservoir engineering, drilling engineering, production operations, and petrophysics

3

GD and PI: study ONGC's deepwater exploration blocks, OALP (Open Acreage Licensing Policy), India's hydrocarbon exploration outlook

4

GK coverage should include upstream oil sector, OVL international acquisitions, India's energy import dependency, and ONGC Videsh projects

Exam Pattern at a Glance

SectionQuestionsMarksDuration (est.)
Technical (Core Engineering)676750 min
Aptitude676750 min
General Knowledge676750 min
Total200200150 min

Important Dates

1

Registration Opens

July 2028

2

Next Exam Date

October 2028

3

Conducted By

ONGC (Oil and Natural Gas Corporation Limited)

Frequently Asked Questions

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