After a surge in groundnut oil prices on heavy buying of brands and retail demand, the price has started to fall as demand decreased on the upper level. At Rajkot, groundnut for the 15-kg new tin fell Rs 10 to Rs 1,400-1,405, label tin of 15 kg was down by Rs 10 to Rs 1,380-1385. Groundnut oil loose was traded at Rs 830-835, a drop of Rs 10 for 10 kg. Similarly cotton oil also decreased on low demand. Cotton oil new tin, of 15 kg, traded at Rs 990-1,000, decreased Rs 5 a tin. The price of groundnut bold was Rs 585-703 and “small” at Rs 570-695 for 20 kg at Rajkot. Last week, groundnut oil increased about Rs 50 a tin from Rs 1,360-1,365 to Rs 1,410-1,415 for 15 kg tin.