A Yantra is an instrument, or a talisman or a mystical
diagram. It is a technique or path, considered the simplest
and shortest, through which one can attain one's desires, and
fulfill one's wishes. It is said that the 'Deities' reside in
the Yantras and by performing 'Puja' or worship of Yantras,
one can appease them, remove the malefic effects of planets,
and increase the flow of positive influences.
Certain Yantra once energized does not require regular Puja;
they remain hidden for whole life. Yantra, which are made on
Metal like Gold, silver, copper etc., require regular offerings
and Puja. They require regular bathing and offering of scent,
rice, flower, jaggery etc. Yantra should be placed Flat on
silken yellow cloth on the Alter.