Castor de-oiled cake, Castor Seeds are cultivated in on a large scale in different states of India such as Gujarat, Andhra Pradesh, Karnataka, Orissa, Tamil Nadu and Bihar. Castor Seeds are extensively used for preparing castor oil. This castor oil is used for several industries such as telecom, engineering, plastics, pharmaceutical, rubber, chemicals, nylons, etc., as lubricating grease, surfactants, surface coatings, etc.