Correct option is C
The correct answer is 3500 years ago.
The Rigveda, the oldest of the four Vedas, is believed to have been composed around 1500 BCE, which places it approximately 3500 years ago. It is the earliest known work in Vedic Sanskrit and forms the basis of Hindu religious thought and philosophy.
· The Rigveda consists of 1,028 hymns (suktas) divided into 10 books (mandalas).
· These hymns are addressed to various deities such as Indra, Agni, and Soma and were passed down orally over generations before being written down.
· The Rigveda is a key text in the Sruti tradition, considered divinely revealed knowledge in Hinduism.