-- Oil & Natural Gas Corp., India's biggest oil explorer, offered to sell 600,000 barrels of Sudanese Nile Blend crude oil for loading in September, the company said in an e-mailed document.

Details of the offer are as follows:

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Crude:         Nile Blend
Quantity:      600,000 Barrels
Loading:       Sept. 11-25
Delivery:      Marsa Bashayar Marine Terminal, Sudan
Offers close:  Part I -- July 29
               Part II -- July 31, 1 p.m. Indian time.
Validity:      July 31, 6 p.m. Indian time.