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Entity Subsidiaries

: Oil and Natural Gas Corporation Limited

Subsidiary	Subsidiaries	Percentage	From	To
Hindustan Petroleum Corporation Limited	Drilldown	51.11%	12/2000	12/2050	Details
Mangalore Refinery and Petrochemicals Limited	Drilldown	72.00%	01/2000	12/2050	Details
ONGC Mangalore Petrochemicals Limited		49.00%	12/2006	12/2050	Details
ONGC Petro additions Ltd (OPaL)		49.36%	03/2017	12/2050	Details