Prices of sugar were unchanged in key wholesale markets of Mumbai and Delhi today in thin trade. Sugar prices had risen last week in spot markets of north India due to increase in retail demand because the wedding season. Prices are seen falling in north India due to higher-than-expected sugar output in Uttar Pradesh. Mills in Uttar Pradesh produced 8.74 mln tn sugar during Oct 1-May 15, up 28.4% on year the most-active May contract was up 0.5%. Prices of sugar are seen up in the near term as demand for the commodity is likely to rise ahead of Ramzan. On NCDEX, the most active July contract of sugar was down 0.2% from previous close.