"According to Kuzmina, the fact that the essential equipment of the Indo-Aryan charioteers in the Mitanni kingdom and in India has no prototypes or analogies in either the Near East or Harappan India, but rather does show affinity with the items in the Sintashta- Petrovka burials mentioned earlier, "corroborates the hypothesis that locates the Indo- Iranian homeland on the Eurasian steppes between the Don and Kazakhstan in the 16th— 17th centuries BC." She adds, appropriately, that "to dispel all doubts we have only to find warrior burials similar to those of the steppes in Mitanni and in the northern parts of the Indian subcontinent" (Kuzmina 1994, 410). These have yet to be found."
January 1, 1970
https://en.wikiquote.org/wiki/Elena_Efimovna_Kuzmina