The October contract of mustard seed on NCDEX hit a two-week low of 4,112 rupees per 100 kg, tracking spot prices, which fell due to higher arrivals and subdued demand. The front-month October contract of mustard seed was at 4,132 rupees per 100 kg, down 0.4%, while the most-active November contract also fell 0.4% to 4,208 rupees. In Jaipur, prices of the oilseed were 4,225-4,250 rupees per 100 kg, down 50 rupees. Arrivals in Rajasthan was seen at 100,000 bags, up 25,000 bags.