Analysis of information sources in references of the Wikipedia article "Agama Weda" in Indonesian language version.
Prominent sites include Hadda, near Jalalabad, but Buddhism never seems to have penetrated the remote valleys of Nuristan, where the people continued to practice an early form of polytheistic Hinduism.
Up until the late nineteenth century, many Nuristanis practiced a primitive form of Hinduism. It was the last area in Afghanistan to convert to Islam—and the conversion was accomplished by the sword.
Quote: [...] in certain other places [of Rigveda], an approach is being made to the idea of Transmigration. [...] There we definitely know that the whole hymn is address to a departed spirit, and the poet [of the Rigvedic hymn] says that he is going to recall the departed soul in order that it may return again and live."
About half of the Kalash practice a form of ancient Hinduism infused with old pagan and animist beliefs.