Udayaditya Ras Reference: Ayurveda Sar Sangrah Ayurveda is a very ancient science which has hidden many secrets at the core of its heart. The texts related to Ayurveda describe various methods for preparation of formulations. Due to various preparatory methods, generally the action of the herb enhances or changes. One of the best examples of such preparation is herbo mineral preparation. These are basically a formulation which is prepared using both minerals and herbs. Generally the liquid extract of herbs