The book is about economics of Rapeseed and mustard in Haryana. Oil seed crops occupy an important place in farming system in India. These are highly paying crops of the dry regions. Rapeseed and Mustard is the third largest vegetable oil traded in the world, next to soyabean and palm oil. Marketing pattern of rapeseed and mustard, economics of rapeseed and mustard processing the constraints in marketing and processing of rapeseed and mustard is discussed in book.