Indian History h as been divided in three categories --- 1-Prehistoric period-No written records are available for this historical age. Only archeological evidences are available to reconstruct the history of this period. This has been divided into Paleolithic(Old stone age ) - Before 10000 BC Sites found throughout India are rock shelters and caves ----- The Soan valley and Potwar Plateau in Northwest India Shivalik Hills Bhimbetka in madhya pradesh Bhimbetka Adamgarh in Narmada valley Kurnool in Andhra Pradesh Attirampakkam (Chennai) Soan valley palaeolithic tools Potwar Plateau Adamgarh cave paintings Mesolithic or Middle Stone Age 10000 - 6000 BC During Mesolithic age the hunting of big animals shifted to hunting of small animals and due to settlement on a place for longer time horticulture, domestication of animals and cultivation started. Burials of dead along with microliths have also been found.The sites are found in Langhanj in Gujrat ,adamga