Indigenous Aryanism, also known as the Indigenous Aryans theory (IAT) and the Out of India theory (OIT), is the conviction that the Aryans are indigenous to the Indian subcontinent, and that the Indo-European languages radiated out from a homeland in India into their present locations. It is a "religio-nationalistic" view on Indian history, and propagated as an alternative to the …

Indo-Iranian peoples, also known as Indo-Iranic peoples by scholars, and sometimes as Arya or Aryans from their self-designation, were a group of Indo-European peoples who brought the Indo-Iranian languages, a major branch of the Indo-European language family, to major parts of Eurasia in the second part of the 3rd millennium BCE. They eventually branched out into …

The Indo-Aryan languages (or sometimes Indic languages) are a branch of the Indo-Iranian languages in the Indo-European language family.As of the early 21st century, they have more than 800 million speakers, primarily concentrated in India, Pakistan, Bangladesh, Nepal, Sri Lanka, and Maldives. Moreover, apart from the Indian subcontinent, large immigrant and …