Christianity’s fairly common in sub-Saharan Africa, too, which did get colonized by European powers but which I think is fair to call culturally independent of Rome if India is. Conversely, North Africa was under the direct jurisdiction of the Roman Empire for a lot of its history, and it’s now overwhelmingly Muslim (though small Christian minorities still exist; e.g. the Egyptian Copts).
Christianity’s fairly common in sub-Saharan Africa, too, which did get colonized by European powers but which I think is fair to call culturally independent of Rome if India is. Conversely, North Africa was under the direct jurisdiction of the Roman Empire for a lot of its history, and it’s now overwhelmingly Muslim (though small Christian minorities still exist; e.g. the Egyptian Copts).