Due to enormous usage of C. angustifolia in curing different diseases and the work reported in the literature concerning systemic study of chemical composition en- couraged to further explore its active constituents re- sponsible for bioactivity. In present study extraction of flavonoids from the leaves and flowers of C. angustifolia, has been done by using five different extraction tech- niques. Identification of flavonoids, total flavonoid con- tents and antioxidant activity of the different extracts was also determined.