The IAs, as described in the RV, represent something definitely new in the subcontinent […] The obvious conclusion should be that these new elements somehow came from the outside.
Source, in full
Italics in the original. (WITZEL 2005:343) WITZEL 2005: Indocentrism: autochthonous visions of ancient India. Witzel, Michael. pp.341-404, in “The Indo-Aryan Controversy — Evidence and Inference in Indian history”, ed.Edwin F. Bryant and Laurie L. Patton, Routledge, London & New York, 2005. Quoted in