Rasashastra 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.) Hetu , Linga and Aushadha these are the three Sutras of Ayurveda. The department of Rasa shastra and Bhaishajya kalpana mainly deals with the third Sutra i.e. Aushadha. Various pharmaceutical processes of Herbal and Mineral drugs are carried out in this department.