IOTL, There are "St. Thomas Christians" in southern India, who have a fasinating mythohistorical beliefs regarding the Saint and his activities on the Subcontinent.
WI St. Thomas was more successful and managed to convert local rulers, and managed to pave the way to a Christianization of India at about the same time as Imperial Rome. (The *Gupta equivalent in TTL would be a Christian Dynasty instead of a Hindu one). The Indians IOTL, even manage to spread the religion among its trade partners in SE Asia.
What would be its effects on History, now that there is a huge Christian Cultural Zone in Asia with a Chrisitan Tradition older than that of any West European Nation?
WI St. Thomas was more successful and managed to convert local rulers, and managed to pave the way to a Christianization of India at about the same time as Imperial Rome. (The *Gupta equivalent in TTL would be a Christian Dynasty instead of a Hindu one). The Indians IOTL, even manage to spread the religion among its trade partners in SE Asia.
What would be its effects on History, now that there is a huge Christian Cultural Zone in Asia with a Chrisitan Tradition older than that of any West European Nation?