Futures contracts of mustard seed were up on the NCDEX, taking cues from Jaipur, Rajasthan, where prices rose due to a fall in arrivals amid fresh demand from domestic oil millers and crushers. On the NCDEX, the most active July contract was at 3,934 rupees per 100 kg, up 0.3%. In Jaipur, the benchmark market, prices rose by 10-15 rupees to 4,090-4,100 rupees per 100 kg.