Answer:
Indo-Aryan migration is a part of bigger Indo-European migration. The most important work on migration is the Kurgan hypothesis. The Indo-European people were hypothesized in the 18th century when the indo-European languages were discovered pointing towards a common origin. According to the hypothesis, the migrations started in app 1800 BCE. With the migration Indo-Aryan languages diffused to Inner Asia and the Levant. The migration of Indo- Europeans started from European steppes in app 2000 BCE and spread to South Asia and Asian minor
