The 03-month yield rose 05 basis points to 7.29 percent, the 6-month yield rose 06 basis points to 7.35 percent and the 12-month yield rose 08 basis points to 7.44 percent, data from the state debt office, which is a unit of the central bank showed.
The state sold 2.0 billion rupees of 3-month bills, 1.65 billion rupees in 6-month bills and 2.0 billion rupees in 12-month bills.
The weekly auction, held Tuesday as Wednesday is a bank holiday, was oversubscribed with bids amounting to 15.3 billion rupees being received.
Sri Lanka's interest rates have been moving up amid defence of a dollar peg and strong domestic credit growth.
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