Prices of sugar in the key wholesale markets of Delhi and Muzaffarnagar rose on improved demand for the sweetener, with Stuckists replenishing their inventories at the start of the month. Retail demand from households usually increases during the first week, thereby supporting prices. Delhi and Mumbai, sugar was sold up 10 rupees from previous close. On the NCDEX, the most active May contract of sugar traded up 0.1% from the previous close.