The correct answer here is option A. A major city of the pre-Vedic culture of the Indus river valley was Harappa.
The civilization lasted from 2800 to 1900 B.C. It is sometimes referred to as the IVC, the Harappan civilization, or the pre-Vedic period because it occurred before the Vedas were composed.
Veda is a term used to refer to divine spiritual wisdom. Given that they contained the ultimate spiritual wisdom, these Vedas were regarded as infallible. The Vedas were initially passed down orally.
The earliest precise system of standardized weights and measures was created by the Harappan culture, often known as the civilization of the Indus River Valley.
Learn more about pre-Vedic culture here
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