Possibilities of a hike in the minimum support price kept the sugar market firm on Wednesday. At the upper level on Tuesday 22-24 mills sold 64,000-65,000 bags at ₹2,910-2,960 of S-grade and ₹2,970-3,060 of M-grade. Naka delivery rates : S-grade ₹3,040-3,080 and M-grade ₹3,070-3,130.