Prices of mustard seed rose in the benchmark market of Jaipur due to demand from oil millers and government procurement. In Jaipur, the oilseed was sold at 4,045-4,050 rupees per 100 kg, up 20-30 rupees from the previous day. Arrivals of mustard seed in Rajasthan were unchanged at 135,000 bags (1 bag = 85 kg). Reports that government may increase the import duty on soyoil, sunflower oil and crude canola oil is also seen supporting mustard seed prices. The most active June contract on the NCDEX was up.