Agnideva instructed to sage Vashishtha this Purana. It contains descriptions about various avatars (incarnations) of Vishnu. There are also detailed account of Rama, Krishna, Prithvi and the stars. There are a number of verses dealing with cosmology, history, warfare, law, medicine, martial art, and a lot more. Other references include Shivalinga and Durgadevi. This Purana imparts knowledge on all arts and sciences. There are 15400 verses in this Purana.