Herbs like Amla, Black Dhatura, Karanj, Unga etc. are basic herbs used in Ayurveda for treating numerous ailments. There is a well prescribed process of preparing herbs for medicinal purposes. This process may include cutting, chopping, peeling, drying, leaching and mixing with other herbs before they can be used for treatment. The Ayurvedic doctor has to be very familiar with these processes to prepare the right kind of herbal medicine. Various parts of the same plant may require collection and preparation at different periods of time. The knowledge of this process of medicine preparation can be passed on from father to son, or taught in a formal course of study. Here are vignettes of how some of these are prepared for medicinal use.