Mr. Gautam Sinha,
Nodal Officer
Correspondence Address
Room No. 4-A-4, 4th Floor, Tower-A,
Deendayal Urja Bhavan, ONGC,
5, Nelson Mandela Marg, Vasant Kunj,
New Delhi-110070 (India)
Phone: +91-11-2675 5023
Email: sponsorship@petrotech.in
Website: www.petrotech.in