This document provides an overview of changes in India from approximately 700 CE to 1750 CE. It discusses how maps of India changed significantly over this thousand-year period as information improved. New social and political groups emerged during this time taking advantage of economic opportunities. Religions like Hinduism and Islam saw major developments as beliefs evolved with changes in social organization. Historians study this period using sources like manuscripts, coins, inscriptions and architecture, though manuscripts pose challenges due to copying errors over time.