In burzahom people built __________

Farmers and Herders live in groups are called __________.

Stone age is divided into _________ types.

The early stone age industries in South India are fournd at.  

One of the greatest achievement of primitive men was the discovery of ___________ .

Chalcolithic age means _________.

__________ are the ancestors of mans.

The abbreviation used to represent millions years ago. 

The two metals introduced during the chalcolithic age which encouraged specialisation in crafts. 

Old stone age is also known as ___________.