>>17799319
we have Rigveda samples, and they have little steppe
the iran study makes sense, although it is quite bad. See the Genetic(QpAdm) breakdown of a Vedic era sample(Pakistan_Loebanr_IA_o,AG.I12138) of a lady(circa 999 BC) from Loebanr,Khyber Pakhtunkhwa(Gandhara region):

Steppe_MLBA:34%
IVC_medAASI:28.6%
BMAC:18.5%
Aygirdjal_BA/Kyrgyzstan_MLBA:16.3%
Ancestral_Tibetic:2.6%