D.Hinduism - The religion of Hinduism originated in Northern India , near the river Indus, about 4000 years ago and is the world's oldest existing religion.
Sikhism, Jainism, Buddhism, and Hinduism are the global religions that arose in India. Hinduism is one of the oldest, while Buddhism and Jainism emerged as reformative movements, and Sikhism developed in the 15th century. These religions have greatly influenced Indian culture and society.
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