Historical Vedic religion the Vedic period, composed in Vedic Sanskrit, are mainly the four Vedic Samhitas, but the Brahmanas, Aranyakas and some of the older Upanishads (Bṛhadāraṇyaka, Chāndogya, Jaiminiya Upanishad Brahmana) are also placed in this period. The Vedas record the liturgy connected with the rituals and sacrifices. These texts are also considered as a part of the scripture of contemporary Hinduism. Specific rituals and sacrifices of the Vedic religion include, among others: The Hindu rites of cremation are seen since the Rigvedic period; while they are attested from early times in the Cemetery H culture, there is a late Rigvedic reference invoking
Ancient Iranian religion was strongly connected. Beginning in the early 10th-century BC, the ancient Iranian religion was gradually displaced by Zoroastrianism, which contains many essential aspects of its predecessor. The sources on ancient Iranian religion, though limited, consist of textual and material sources. The textual sources are both Iranian and non-Iranian. An important Iranian source is the Avesta, which are Zoroastrian sacred scriptures made in the Avestan. This is considered the principal source of knowledge on ancient Iranian religions. It is a collection of several texts that seems to have been over a large span of time by a variety of authors. These