Pre-History, as defined by H.D.Sankalia, "deals with vast, illimitable period striking back to the dim past during which time there ws no writing of any kind". The unending and age long history of human kind is divided into different 'Ages' on the basis of different tools used by humans. Among these tools the first kind made of stone followed by copper bronze and, lastly of iron. Accordingly pre-history is divided into Stone Age, Copper and Iron Ages. Among this, the ancient Stone Age consists of three subdivisions, namely, the First, Middle and the Third stages, Old Stone Age, Middle Stone Age and New Stone Age respectively.
Archaeologists during extensive excavations found many types of tools and, even at present, many more Artifacts or being brought to light. Based on this Archaeologists findings and tools, one can reconstruct contours of culture of bygone Ages.
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