Friday, Medium sugar prices fall down at the Vashi wholesale market, due to restrained demand from stockists and retailers. While, small sugar ruled stable in the lack of any valuable buying. Medium sugar (M-30) fell by Rs 6/10 per quintal to Rs 3,572/3,662 from Wednesday's level at Rs 3,566/3,662. Small sugar (S-30) was quoted at Rs 3,572/3,662. Following are today's closing rates for sugar (per quintal) with the previous rates given in brackets: Medium sugar (M-30) quality: Rs 3,640/3,752 (Rs 3,646/3,762).Small sugar (S-30) quality: Rs 3,572/3,662 (Rs 3,572/3,662).