History of science and technology on the Indian subcontinent
The history of science and technology on the Indian subcontinent begins with the prehistoric human activity of the Indus Valley Civilisation to the early Indian states and empires. == Prehistory == By 5500 BCE a number of sites similar to Mehrgarh (modern-day Pakistan) had appeared, forming the basis of later chalcolithic cultures.
Source: Wikipedia — History of science and technology on the Indian subcontinent (CC BY-SA 4.0)