Butea monosperma (B.M.) belongs to Fabaceae family, in Hindi commonly known as „Palash‟. Due to its bright orange and scarlet colour flowers the palash tree is also known as the flame of the forest. It is well-known medicinal plant which is a medium sized deciduous tree widely distributed in India, Sri Lanka, Bangladesh, Nepal, Myanmar, Thailand, Laos, Cambodia etc. Flowers are used as drug in many ailments like eye disease, chronic fever, enlargement of spleen, leucorrhoea, epilepsy, leprosy, antifungal activity, anti-inflammatory activity, liver disorders, antifertility activity and gout. etc. The present study revealed that alkaloid, phenols, tannins, flavonoids, saponins, glycosides, oil & fats, protein & amino acids, steroids, carbohydrates etc.