Aryans, who were rough cattle breeders, came from Central Asia around 1700 BC, seeking grazing land for their herds. Their religion was well developed, with gods identified from elements of nature.

	Brass Statue of Hindu god Brahma from Sind, National Museum

They followed a strict caste system, which later became Hinduism. They wrote the first book of Hindu scripture, the Rig Veda, which was a collection of hymns remembered through several generations.

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