1. Introduction about the exam 🧭

The Oil and Natural Gas Corporation Limited (ONGC) is a Maharatna public sector enterprise in India engaged in exploration, production, and development of oil & gas. Every year, ONGC publishes recruitment notifications for various posts (Graduate Trainees (E1 level) in Engineering & Geo-Sciences, Apprentices, Legal, Technician roles etc.) through different selection channels such as the Graduate Aptitude Test in Engineering (GATE) or direct recruitment. For the year 2026, key recruitment drives include Graduate Trainee recruitment via GATE 2026 and other technical/administrative posts.

2. Selection Process ✅

The general selection process for ONGC Recruitment 2026 typically follows:

Shortlisting of candidates based on valid GATE 2026 score (for Graduate Trainees in engineering/geosciences).
Interview / Personal Interaction (for posts where applicable).
Medical fitness test as per ONGC rules.
Final merit list prepared on combined weightage of GATE score, qualification & interview.

3. Exam Pattern 📘

Since ONGC recruitment for different posts follows different patterns, here is a generalised pattern for Graduate Trainees via GATE 2026 and for a typical direct recruitment CBT exam.

a) Graduate Trainees via GATE 2026

Stage	Mode	Details
GATE Paper	Online (by IIT)	Subject‐wise as per GATE code
Interview	In-person	Shortlisted candidates
Medical	Physical fitness	As per ONGC norms
Weightage for final merit list:
Component	Weightage
----------------------	-----------
GATE Score	60 %
Qualification	25 %
Interview	15 %

b) Direct Recruitment (e.g., Apprentices / AEE level)

Stage	Mode	Details
CBT	Online MCQ	Domain subject + General sections
Interview	If applicable	Shortlisting depends on CBT ranking
Medical	Required	For final appointment

Note: For specific posts, ONGC’s official notification (on www.ongcindia.com) will provide exact pattern.

4. Detailed Section-wise Syllabus 🎯

Since ONGC draws candidates from engineering, geo-sciences and domain areas, here is a breakdown of common sections:

Engineering / Geo-Sciences Domain Subject

Core engineering topics of your discipline (Mechanical / Electrical / Civil / Chemical / Petroleum etc.)
For Geology/Geophysics: Mineralogy, Structural Geology, Seismic Methods, Reservoir Engineering
Instrumentation / Electronics: Analog/Digital Electronics, Signals & Systems, Control Systems

General Awareness & Aptitude

Indian Economy & Industry: Energy sector, PSU framework, Oil & Gas sector basics
Basic Mathematics & Numerical Ability
Logical Reasoning, Data Interpretation
English Language: Reading comprehension, technical vocabulary

English Language & Comprehension

Reading passages (technical and general)
Grammar: Tenses, Modals, Subject-Verb Agreement
Vocabulary: Synonyms, Antonyms, One‐word substitution
Technical writing basics (for interview / interview communication)

Technical/Domain Specific – as per post

For Technical Engineers: Design & Operation of equipment, Safety Standards in Oil & Gas, Process Controls
For Geo Sciences: Sedimentology, Petroleum Geoscience, Geophysical Techniques
For Legal / Administrative posts: Corporate laws, Contract laws, PSL (Public Sector Labour laws)

5. Final Selection Process with Marks Weightage 🧮

For Graduate Trainees through GATE 2026:

Component	Marks / Weightage
GATE Score	60
Qualification	25
Interview	15
Total	100

For other posts (CBT + Interview): Check specific notification; e.g., for AEE recruitment the CBT had weightage of 85 marks and Interview 15 marks.

6. Practical Preparation Tips 📝

Start with domain fundamentals: For engineering/geoscience disciplines, ensure strong basics in your subject area.
GATE strategy adds benefit: As GATE 2026 score is key, practise previous years’ GATE papers and focus on time management.
Mock tests for CBT: Practice full‐length mocks under exam conditions to build speed and accuracy.
Understand ONGC context: Read about Oil & Gas industry trends, ONGC’s projects, and PSU culture – useful for interview & general awareness.
Prepare for interview: Be ready to explain academic projects, domain work, your interest in ONGC, and basics of business/industry.
Follow official notification: Always refer to the official ONGC website (www.ongcindia.com) for up-to-date rules, syllabus, dates and FAQs.
Health & consistency matter: Maintain a regular study schedule, take breaks, sleep well and revise consistently.
Document readiness: Keep your certificates, transcripts, degrees ready & ensure you meet the 60 % (or equivalent) criterion in essential qualification.

7. Useful Resource links 🔗

Official ONGC website (Careers section): www.ongcindia.com
GATE 2026 official information & subject codes (via IIT Guwahati)
Check ONGC’s previous recruitment notification PDF for reference: e.g., “ONGC Recruitment 2025” (on the ONGC site)

ONGC - Oil and Natural Gas Corporation ...

🛢️ Oil and Natural Gas Corporation Limited (ONGC) Recruitment 2026