The Indian sect are the Parsees of whom Kipling wrote, correct?
And the Pharisees, once the captives of the Persians, absorbed a LOT of the theology of Zoroastrianism. The Parsees and the Pharisees may not be all that different, both drawing from the same historical roots.
Farsi is, in its own language, a version of “Persia”. The roots of the language, and the beliefs expressed in that language, are all of a common source.