Indian religions these hero stones to bless them with victory. The documented history of Indian religions begins with the historical Vedic religion, the religious practices of the early Indo-Aryans, which were collected and later redacted into the "Samhitas" (usually known as the Vedas), four canonical collections of hymns or mantras composed in archaic Sanskrit. These texts are the central "shruti" (revealed) texts of Hinduism. The period of the composition, redaction and commentary of these texts is known as the Vedic period, which lasted from roughly 1750 to 500 BCE. The Vedic Period is most significant for the composition of the four Vedas,
Ancient Iranian religion in the ancient period. The religious information was rather oral both in composition and transmission. The non-Iranian sources are mainly Greek. The most important Greek source is Herodotus. Some of the Greek information on ancient Iranian religion is however unreliable. This is either because it is based on outright wrong information or based on misunderstandings. The historical reconstruction of ancient Vedic literature is also an important source. The earliest religious texts of the related Indo-Aryan peoples are indispensable for reconstructing the historical development of the ancient Iranian religion. The most important of these texts in this regard is the Rigveda.