Pippalada was an ancient Indian Vedic sage and philosopher in Hindu mythology. He is known to have written the Prashna Upanishad, which is among the ten mukhya(main) upanishads. He was an avatar of lord Shiva, and son of sage Dadhichi, who donated his bones to Devtas(Demigods) to provide them a material for making weapons and defeat the Asurs. He was the founder of Pippalada School of thought, which taught the Atharvaveda. Birth Revenge with Indra Defeating Shani Pippalada defeated Shani. Shani to save his life promised that he will never trouble anyone below 16 years of age. Prashna Upanishad