Oilseeds constitute the second largest agricultural commodity in India after cereals accounting for nearly 5% of gross national product and 10% of the value of all agricultural products. Among the oilseeds, rapeseed-mustard group of crops occupies prominent position in the country contributing nearly 21.6% and 23.1% to the total oilseed cropped are and production, respectively. Rapessed-Mustard is the major source of income especiall7y even to the marginal and ...