Prices of sugar rise in north India due to expectations of a hike in sugar import duty. M-grade sugar sold up 10 rupees in Delhi and Muzaffarnagar. Government may consider raising the import duty on sugar to 60% from the existing 40% if global prices of the sweetener remain low. Prices of sugar fell in Maharashtra as a likely good monsoon this year is seen boosting output. July sugar contract on NCDEX down 0.1%.