ONGC

Phone: +91 11 26129001,26129011, +91 11 26129021,26129041

Address:

4th Floor, A-B, Block, Pandit Deendayal Upadhyaya Urja Bhawan,

5A, Nelson Mandela Marg, Vasant Kunj, New Delhi – 110070

Phone – +91 11 26129001,26129011

Fax – +91 11 26129021,26129041