Oil and Natural Gas Corporation(ONGC)
Registered Address
601, Kailash Building, 26
Kasturba Gadhi Marg, New Delhi, DL 110001
 Tel: 011-23310156 011-23323201, 011 4129 1119
Fax: 011-23316413
Email: secretariat@ongc.co.in
Website: https://www.ongcindia.com