15. Where is the headquarters of Oil and Natural Gas Commission? A.Dehradun B.Vadodara C.Digboi D.Mumbai
Option A Solution: Oil and Natural Gas Corporation (ONGC) is an Indian multinational oil and gas company earlier headquartered in Dehradun, Uttarakhand, India. As a Corporation, it's registered office is now at Deendayal Urja Bhavan, Vasant Kunj, New Delhi 110070 India.