what language do muslims speak
Muslims: Farsi, English, Arabic, Bosnian, Pushtu, French, etc. Whatever language of that country that Muslim lives in. Although some Muslims learn Arabic for prayer and Qur'an study. Jews: Whatever language of that country that Jew happens to live in. Prior to the holocaust, many urban European Jewish communities spoke Yiddish, and still do in Brooklyn, parts of Russia, parts of London, etc.
Muslims speak a language of their own that is derived from Tulu as well as Malayalam. There are about 24 Dravidian languages recognized by linguists. Of these the five languages in the South developed into major languages. Tulu is the only developed language that has not received the recognition it is due.