Futures contracts of mustard rose on NCDEX because of firm trend in prices of its substitute, soy oil. Most active October futures contract of mustard on NCDEX ended up 0.8% from previous close. Soy oil and mustard oil prices moves in tandem as, both are used as vegetable oil. Soy oil prices are rising on expectations of lower soybean output in key growing areas of Maharashtra and Madhya Pradesh due to deficient rainfall.