And what about their traditions makes their religion not Hindu but makes the “Brahmanical Hindu” traditions Hindu? The claim that there aren’t other religions

And what about their traditions makes their religion not Hindu but makes the “Brahmanical Hindu” traditions Hindu? The claim that there aren’t other religions is not true because a lot of lower caste folks have explicitly converted to Christianity and or Dalit Buddhism as promoted by Ambedkar who was the driving force behind rights for lower castes in India.