Dhanvantri is the divine physician who brought with him the knowledge of health, long life, Placing Dhanvantri yantra is very benefical for good health, it destroys the negative ions in the surrounding and brings the positivist and brings good health to the worshipper. Lord Dhanvantari is the Divine Healer. The evolution of Lord Dhanvantari is a very rare occurrence. Lord Dhanvantari resurfaces only from the great churning of the ocean,“Samudra Manthan‚ This great oceanic activity reunited the disappeared Goddess Lakshmi with Lord Vishnu. It is Lord Dhanvantari who appeared with the Amrit (nectar of eternal life), which was later distributed by Lord Vishnu to all demi-gods making them immortal and thus enable the demi-gods to free the heaven from the devils who had captured.