In Vastu Shastra, there is a belief that ghee or oil in a Diya signifies negativity in our mind and the wick symbolizes the Atma or soul. By lighting the Diya, we dispel negativity from our minds and soul. In Agni Purana, it is said that lighting Cow Ghee Diya will increase the sattvic tattva which includes light, bliss, and goodness. Hem Aradhana Cow Pure Ghee Diya is useful in temples and our houses during puja rituals and auspicious occasions.