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Petroleum
Oil And Natural Gas Corporation (ONGC) Contact No. 011-2675 0998
Updated on Thursday, 23 July 2026 - 5:27pm
Organization:
ongcindia.com Toll free Number(s):
1906 (For Gas Leakage Complaint)
All India Number(s):
011-2675 0998 (For Contact Support)
Website:
Official Website 