Medicinal plants constitute nearly 25% of the prescribed drugs. In recent years, screening of such plants for biological activities has resulted in the development of therapeutics used in the treatment of cancer, AIDS and others diseases. A large number of medicinal plants are exploited from the natural flora for the commercial production of drug. Catharanthus roseus (L). G. Don was selected for the present study owing to its high active principles such as vincristine, vinblastine, ajmalicine in curing cancer in humans. As Catharanthus is a drought tolerant and slow growing plant, healthy...