- When copper and bronze came to be used. The new technology developed of smelting metal ore and crafting metal artifacts
- But the use of stone tools was not given up. Some of the microlithic tools continued to be essential items
- People began to travel for a long distance to obtain metal ores, that’s why Chalcolithic cultures were found in many parts of India
- Chalcolithic cultures had grown in river valleys, Harappan culture is considered part of Chalcolithic culture
- Several bronze and copper objects, terracotta figurines and pottery were found at Paiyampalli in TN