Hindu texts to an author, as a derivative work they are considered less authoritative than "Sruti" in Hinduism. The Smrti literature is a vast corpus of diverse texts, and includes but is not limited to Vedāngas, the Hindu epics, the Sutras and Shastras, the texts of Hindu philosophies, the Puranas, the Kāvya or poetical literature, the "Bhasyas", and numerous "Nibandhas" (digests) covering politics, ethics, culture, arts and society. Many ancient and medieval Hindu texts were composed in Sanskrit, many others in regional Indian languages. In modern times, most ancient texts have been translated into other Indian languages and some in Western languages.
Ancient Iranian religion peoples are completely unknown except from the elements they have left Iranian religion which has no parallel with other Indo-European religions. The ancient Iranians believed in a cosmos which was a three-tiered structure. This structure consisted of the earth, the atmosphere, and the heaven above. Beyond heaven was the realm of Endless Lights while below the earth lay the realm of darkness and chaos. The earth rested on a cosmic sea called the Varu-Karta. In the earths centre was cosmic mountain Hara. Down the Hara flowed the river Ardvi. The earth divided into six continents surrounding the central continent. The