Historical Vedic religion from c. 500 BCE, declined in India over the 5th to 12th centuries in favor of Puranic Hinduism and Islam. Historical Vedic religion The historical Vedic religion (also known as Vedism, Brahmanism, Vedic Brahmanism, and ancient Hinduism) refers to the religious ideas and practices among Indo-Aryan-speaking peoples of ancient India after about 1500 BCE. These ideas and practices are found in the Vedic texts, and they were one of the major influences that shaped contemporary Hinduism. According to the "Encyclopædia Britannica", in the Hindu tradition and particularly in India, the Vedic religion is considered to be a part of Hinduism.
Indra the most celebrated Vedic deities. He is also mentioned in ancient Indo-Iranian literature, but with a major inconsistency when contrasted with the Vedas. In the Vedic literature, Indra is a heroic god. In the Avestan (ancient, pre-Islamic Iranian) texts such as "Vd." 10.9, "Dk." 9.3 and "Gbd" 27.6-34.27, Indra – or accurately Andra – is a gigantic demon who opposes truth. In the Vedic texts, Indra kills the archenemy and demon Vritra who threatens mankind. In the Avestan texts, Vritra is not found. Indra is called "vrtrahan-" (literally, "slayer of Vritra demon") in the Vedas, which corresponds to Verethragna of