Question

What are the sources of history?How do they help in reconstructing the past?

Answer 1

A primary historical source is any piece of information that was created by someone who witnessed first hand or was part of the historical events that are being described.
  the sources of history are:
  artificial sources
   journals
   writtings such as letter
   drawings on cave 
   

Answer 2

Answer:

Literary and Archaeological records are the two main categories that give evidences of Ancient Indian History. The literary source includes literature of Vedic, Sanskrit, Pali, Prakrit, and other literature along with other foreign accounts.