N.K Industries Limited manufactures, sells, and trades in castor oil and its derivatives in India. Its products include commercial grade castor oil, cold pressed castor oil, castor oil British Pharma 93 grade, first pressed degummed castor oil, pale pressed grade castor oil, sodium sulphate anhydrous, refined castor oil, crude glycerin, de oiled cakes-castor meals, 12-hydroxy stearic acid flakes/powder, ricinoleic acid, hydrogenated castor oil, and high protein castor meal. N.K Industries Limited was incorporated in 1987 and is based in Ahmedabad, India.