Udi or ash is the purest substance on earth getting great powers of undertaking and undoing which is the result of sacrifices presented to fireplace (agni) which purifies every thing by destroying whatever is evil. Executing 'Yagha' (Dhuni) is among the most pious ritual recommended in The traditional Vedic https://sb-bookmarking.com/story13286213/fascination-about-sai-baba