Nagarmotha (Cyperus rotundus), a cosmopolitan weed, is found in all tropical, subtropical and temperate regions of the world. We call nut grass rhizomes Korai Kizhangu. Muthakasu in Tamil and Nagarmotha in Hindi. The rhizomes are used to make essential oil and nagarmotha oil also has a lot of medicinal values and Aryan International is one of the largest suppliers of Nagarmotha in India