The myth of the aryan invasion cracked wide open in 1995. The writings in the Vedas and the anthropological evidence show the Vedic Aryans were the indigenous Indians, the same multi-racial society that developed the Harappan and Mahenjadaro cultures. It is a culture at least 5,000 years old. The "Aryan/Dravidian" split is a baseless historian's contrivance. The historic new book, Cradle of Civilization, jointly authored by George Feuerstein, David Frawley and Subash Kak, just released at the end of this year, definitively thrashes the old idea that the Vedas were written by invading nomads from central Asia. A few mainstream American text books are finally admitting the invasion theory may be wrong.
Aryan Invasion Theory has been proved to be a myth and as a wrong theory a long time back. But let me explain in detail the actual history and dirty politics behind this theory. Note that this theory was used as a basis by Hitler to advocate his theory of the supremacy of the Aryan race and to mindlessly kill whom he claimed to be non-aryans!
Definition Let us first see what the Aryan Invasion Theory says.
It calls the race which belonged to the vedic age as Aryans. It says that at around 1500 BC Aryans, (which it says was a tribe from the Europe) invaded north India plundering and pushing down the local Dravidians (who it says were the original natives of India) who lived there to down South India. In a nutshell, it says the North Indians of today belong to an Aryan