Pippalada was an ancient Indian Vedic sage who was known to have written which ancient Sanskrit text, embedded inside Atharva Veda?
Pippalada: Pippalada was an ancient Indian Vedic sage and philosopher in Hindu mythology. Pippalada:  He is known to have written the Prashna Upanishad, which is among the ten mukhya(main) upanishads.
i don't know