aryan
it evolved from the vedic religion in India and it evolved over time
Harappan civilization is more ancient than the Aryan civilization. Definitely they would have practiced a different religion than the vedic Hindu religion. It is similar to the Sumerian civilization. One cannot find out the religion practised by them as no texts are available. Any speculation can only be a guess.
Same relation as the relation between Christianity and the western civilization. Or the Vedic dharma and the Hindu civilization. While Islam has spread by invasion, force, and mass production of children and forcing Islam on the children, the Vedic dharma survives and spreads since millenniums by free will. 1000 years of Islamic onslaught could not kill this Vedic dharma.
Zoroastrianism is a monotheistic religion, whereas the Vedic religion is polytheistic.
India
Hinduism developed from the Vedic religion, which was polytheistic.
vedic religion
vedic religion!
The Hindu dharma came first from God. There was no other religion at that time. When people began living per dharma, it crated the Vedic civilization.
The Vedic god of storm and war was Indra. He was a very powerful and dangerous god in the Vedic religion.
India
The early Hindu religion is known as Vedic religion or Vedic Hinduism. It originated in ancient India around 1500 BCE and was based on the early Vedic texts, known as the Vedas, which were considered sacred and authoritative scriptures.