Consider the following statement (s) is/are related to the Ancient Indian Literature.
I. Vedas, Puranas, Kautilya's Arthashastra, and other literature besides foreign accounts are only available literary sources that restructure the Ancient Indian History.
II. The archaeological sources like epigraphic, numismatic and architectural remains besides archeological explorations and excavations also help in restructuring Ancient Indian History.
Which of the above statement is/are correct?