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Engineering
Verified Statutory Lexicon · Last Reviewed: Sep 07, 2026

Full Form of ONGC

Official Full Form & Meaning
Oil and Natural Gas Corporation
हिंदी अर्थ: तेल और प्राकृतिक गैस निगम
Conducting / Regulatory Authority Ministry of Petroleum and Natural Gas
Official Authority Portal ongcindia.com

1. Official Mandate, Scope & Background

Oil and Natural Gas Corporation (ONGC) is India's largest Maharatna crude oil and natural gas exploration and production company, established in 1956. It produces around 70% of domestic crude oil and 84% of natural gas in India.

2. Eligibility Criteria, Qualifications & Age Limits

Graduate Trainee (GT) at E-1 Level: Graduate Degree in Engineering (Mechanical, Petroleum, Civil, Electrical, Electronics, Instrumentation, Chemical) or Post Graduate Degree in Geophysics/Geology with minimum 60% marks. Age Limit: 30 years (General).

3. Examination Scheme & Selection Procedure

Shortlisting through valid GATE score (60 marks weightage), Academic Performance (25 marks), and Personal Interview (15 marks).

4. Core Syllabus & Key Subjects

GATE core engineering syllabus along with upstream oil exploration, reservoir engineering, drilling technology, and petrochemical fundamentals.

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