Invasion
- Population replacement 20-40%
Radiation to near east
Haplogroup R1a1a expanded less dramatically after the Ice Age in the Near East, parts of central Asia and northern India. It is found at levels of about 7% in Iraq and Syria, and at similar levels in Turkey. The higher genetic diversity of R1a1a in eastern Turkey and the decrease in frequency from east to west, indicates that R1a1a entered Turkey from the Iranian plateau, probably about 4,000 years ago. (23andme)
Steppe
Several of these: shaka, kushana, arimaspa, Alani.
Hindu view
In the same light Iran for us died with the end of the resistance. The survival of the Persian language is not Iran. The author to his credit does present some of this break. The modern Iranicists from the Islamic republic struggle more with this – though some like Daryaee & pourshariati state thing more like they were. As we remarked before there was a finite chance of Sanskrit-speaking sultanate succeeding Ghaznavi but that does not make it H in any way. language « religion. - MT