Rasashastra is the treatise concerned with mineralo mettalic medicines. Rasashastra is build for two principal namely as Lohavada and Dehavada. Rasashastra describes the details of how to covert metals and minerals into medicinal form which can be administered into body for various purposes. Rasashastra is the science of medicines prepared from mercury, metals and minerals. It is one of the most growing area among Ayurveda as Rasaaushadhi works best to the minute level even at least dosage because of nano particles and gives quick result. So Rasashastra is the emerging branch of Ayurveda in area of emergency medicines and nanomedicines.

Bhaishjya Kalpana is also integral part of Ayurveda which relates how to convert raw herbs into palatable and efficacious dosage forms of medicines which can be administered among all age group human beings. This subjects is aimed to convert herbs into dosage forms which could be stored for long period of time and still can held same efficacy as before. It also concern  of evolve dosage forms which are easily administrable, palatable, having long shelf life and works even at minute dose.