Aryans did not come from India nor from Iran

https://eurogenes.blogspot.com/2018/06/yamnaya-isnt-from-iran-just-like-r1a.html

https://eurogenes.blogspot.com/2016/01/the-poltavka-outlier.html
Pretty much all Indo-European peoples and cultures stem from the Corded Ware culture, which in its early stages possessed R1a-M458, R1a-z93, R1b-L51 and I1, which are the main male haplogroups in Western, Scandinavian and Eastern Europe

https://eurogenes.blogspot.com/2021/07/on-origin-of-corded-ware-people.html

https://eurogenes.blogspot.com/2022/05/population-genomics-of-stone-age.html

https://eurogenes.blogspot.com/2019/01/dutch-beakers-like-no-other-beakers.html

https://eurogenes.blogspot.com/2020/11/fatyanovo-as-part-of-wider-corded-ware.html

The 'Iranian' DNA in Aryans is actually Caucasus Hunter Gatherer DNA from populations deep into the steppe and forest that had been there for 1000s of years. There is no DNA overlap with Iran_Neolithic proper and the segment belonging to CHGs is only female haplogroup DNA.

https://thuletide.wordpress.com/2021/10/30/proto-indo-european-genetics-did-they-have-5050-ehg-chg-ancestry-short-answer-no/

https://eurogenes.blogspot.com/2020/02/did-caucasus-hunter-gatherers-ever-live.html

https://eurogenes.blogspot.com/2019/08/did-south-caspian-hunter-fishers-really.html

Aryans had low to zero Basal Rich or Onge DNA admixture present at high levels in Middle Easterners and Indians

https://eurogenes.blogspot.com/2020/05/understanding-eneolithic-steppe.html