When it was revealed to the Governor of Chaldea that Hinduism was in fact a serious religion with too many faithful to treat in this way, another solution had to be  Hindus, along with Parsis who had fled an earlier Muslim persecution in Persia, were given the privileged status of dhimmi, dues-paying non-believers.
Hinduism was denounced as a fake religion.
mnli hypothesis: Hinduism was denounced as a fake religion. premise: When it was revealed to the Governor of Chaldea that Hinduism was in fact a serious religion with too many faithful to treat in this way, another solution had to be  Hindus, along with Parsis who had fled an earlier Muslim persecution in Persia, were given the privileged status of dhimmi, dues-paying non-believers.