Medicinal plants, which is the mainstay of every traditional systems of medicine since ages have renewed interest of scientific society in recent years and intense pharmacological studies are being performed as they are promising sources of new compounds of therapeutic value and also sources of principal compounds in the new drug development. Previously in developing countries maximum population relied on traditional medicine for their primary health care. But it is gaining popularity in developed countries also. There is tremendous potential to explore these plants particularly in the light of adverse effects and arising tolerance to modern drugs. Targeted scientific study can develop these natural drugs as potential alternative for modern drugs besides being economic and safe to use.