Sugar prices at Vashi ruled flat on routine demand, as well as supply and volume. Sugar prices were declined by Rs 2-4 on the lower side, remaining steady at the higher end. On Bombay Sugar Merchant Association's spot rates were: S-grade Rs 3,566-3,662 (Rs 3,570-3,662) and M-grade was Rs 3,640–3,762 (Rs 3,642–3,762).