Unit I Herbal medicines-History and scope: Knowledge on-Ayurveda, Siddha, Unani and Homeopathy. Brief knowledge on Ethnomedicine, Ethnomedicinal plants of Kanyakumari District. Unit II Folk medicines including grandmother medicinal practices (Home remedies) for common ailments like cold, fever, cough, diarrhoea Skin and hair care: Herbal preparation, decoction, extract, infusions, oils, shampoos and powders. Unit III Botanical name, family, morphology of medicinally importance of useful parts, active principles and utilization of the following medicinal herbs: Catharanthus roseus, Withaniasomnifera, Clerodendrumphlomidis and Centellaasiatica. Drug yielding plants: therapeutic and habit forming drugs with special reference to Cinchona, Rauvolfia and Cannabis. Unit IV Evaluation and standardization of herbal drugs. Physio chemical properties - Ash, Flurosence analysis. Phytochemical screening tests for secondary metabolites (alkaloids, flavonoids, steroids, terpenoids and phenolic compounds). Adulteration: Identification of five common herbal adulterants. Unit V Cultivation, harvesting, processing, storage, marketing and utilization of medicinal plants Seed- Strychnosnux-vomica, Stem- Adathodavasica, Rhizome – Acoruscalamus. Conservation of medicinal plants: in situ and ex situ. Masticatories and fumitories. Tobacco and health hazards