This article shall explain how, from the time of Babur to that of Aurangzeb, foreign born nobility always formed the major component of Mughal nobility. No, not descendants of the original bunch who accompanied Babur or Humayun, but fresh recruits or their sons, arriving at every Mughal’s court. This component was very high during the reigns of Babur and Humayun stayed around seventy percent during the reigns of Akbar, Jahangir and Shah Jahan and dipped slightly during the latter part of Aurangzeb’s reign mainly due to the influx of Dakkhani Muslims and Marathas.
Read the complete, detailed essay at Indiafacts : How Indian was the Mughal empire ?