Small sugar (S-30) surged by Rs 80/51 per quintal to Rs 3,491/3,542 from Wednesday's closing level of Rs 3,411/3,491.
Medium sugar (M-30) also rose by Rs 56/60 per quintal to Rs 3,532/3,631 as against Rs 3,486/3,571 previously.
The following are today's closing rates for sugar (per quintal) with the previous rates given in brackets:
Small sugar (S-30) quality: Rs 3,491/3,542 (Rs 3,411/3,491).
Medium sugar (M-30) quality: Rs 3,532/3,631 (Rs 3,486/3,571).