Rasa Shastra means Ayurvedic Pharmaceutics and as such it deals mainly with the drugs of mineral origin, their varieties, characteristics, processing techniques, properties and their therapeutic uses along with the descriptions of various apparatus, different kinds of furnaces, heating devices and heating schedules.
The pharmaceutical procedure of any drug involve various steps starting from identification and collection of authentic raw material, application of standardized processing techniques and production of quality drug to packing and storage of produced drugs.(eg.churna, vati, gugglu kalpa, siddha tail, ghruta, avaleha.)