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.
Indian religions culture which predates the Vedic religion. The documented history of Indian religions begins with the historical Vedic religion, the religious practices of the early Indo-Iranians, which were collected and later redacted into the "Vedas". The period of the composition, redaction and commentary of these texts is known as the Vedic period, which lasted from roughly 1750–500 BCE. The philosophical portions of the Vedas were summarized in Upanishads, which are commonly referred to as "Vedānta", variously interpreted to mean either the "last chapters, parts of the Veda" or "the object, the highest purpose of the Veda". The early Upanishads all predate