<prompt> Translate the following text to EnglishWakristo wa kisasa wa India, baadhi yao wazao wa Wasiria, wengine wa wale waliobadilishwa na wamishonari wa Uingereza na Ureno, wanakadiriwa kuwa milioni 19.  <response>: Modern Indian Christians, some descended from the Syrians, others from those converted by British and Portuguese missionaries, number about 19 million. 