Technology means the application of scientific knowledge for practical purpose. It can also refer to machinery and equipment developed from such knowledge.
In ancient India there is a large number of evidence to suggest the prevalence of scientific and technological knowledge. Many of them were linked with the religious belief system prevalent at that point of time.
To begin with the archaeological remains of the Indus Valley reveal the knowledge of applied sciences. Scientific techniques were used in irrigation, metallurgy, making of bricks and pottery, and in measurement of areas and volumes. The artefacts found from the sites suggest that Harappans developed metallurgy of copper and bronze about 2500 B.C.
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