Oil and Natural Gas Corporation Limited (ONGC) is an Indian multinational oil and gas company headquartered in Dehradun, Uttarakhand, India.

ONGC written test paper consists of the below questions

Aptitude,
Reasoning,
English,
Technical questions etc.

Syllabus of ONGC Graduate Trainee Exam 2016
Part 1- Written Examination (Objective type) - three sections (Duration: 03 hours)
General Awareness
Concerned Subject
Aptitude Test – this section contains:
Reading Comprehension,
Verbal/Non- verbal Reasoning,
Numerical Ability/ Quantitative Aptitude
Data Interpretation
Part-2 Psychometric Test Interview
Candidates who will qualify written examination shall be called for psychometric test and Interview as per merit and criteria decided by management.
Eligibility Criteria:
Minimum 60% for Engg/ Science subjects & MBA/ Law/ PG Degree. Pass marks for ICWA / CA/ MBBS.
Eligible Branches: Electrical, Mechanical, Civil, Petroleum, Electronics & Telecommunication, Chemical, Computers.
Compensation / Pay:
The pay scale is in the grade of Rs. 24,900 – 50,500/- with an increment of 3% per year.
Books for doing preparation:
Prep Book for ONGC GT Exam (General Awareness):
ONGC GT Exam Prep Book General AwarenessGeneral Knowledge 2013: Essential 'Knowledge Capsule' in General Awareness & Current Affairs by Manohar Pandey; Publisher: Arihant
General Knowledge Manual 2012 by Muktikanta Mohanty; Publisher: Macmilla
Prep Book for ONGC GT Exam (General Aptitude):
ONGC GT Exam Prep Book General AptitudeGeneral Aptitude: (Quantitative Aptitude & Reasoning) For Competitive Examinations by G.K. Publisher