Ancient Punjab has been a gateway to the foreign invaders since time immemorial through its snow covered mountains in the north world. Amongst the earlier invaders just before the beginning of the British Era have been the Iranians on the Greeks. Punjab is having the blood of the same Aryan stock goes the Iranians and the Greeks gave a tough fight to both the invaders, but still the foreign invaders were able to make certain in roads deep into India. The book highlights the major foreign tribes and their incursions in India but not much of a success. These invaders who settled in parts of India give rise to certain Arts such as Gandhara School of Art.