Indian Oil Corp., the nation’s largest refiner, issued a tender to buy crude for loading in October, a document obtained by Bloomberg News showed.

The tender closes at 3 p.m. local time on Aug. 6 and offers will be valid until 5 p.m. the following day, according to the document.

The company bought 3 million barrels of Nigerian benchmark Qua Iboe and 1 million barrels of Forcados crude for September from Exxon Mobil Corp. (XOM) and Trafigura Beheer BV in its previous tender.

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