Cyperus Rotundus, commonly known as nut grass, is considered to be one of the world worst weed. This plant is mentioned in the ancient Ayurvedic medicine called ‘Charaka Samhita’. The tuber is well known for its anti-malarial, anti-inflammatory, analgesic and cooling activity. It acts as a nervine tonic and enhances intellectual capacity. According to phytochemical studies, this herb is rich in essential oils, flavonoids, terpenoids, mono-and sesquiterpene. This plant has been proven to be a medicinally active plant through various human clinical trials.