Complex sentence: The religious zeal of the Portuguese had ebbed by the 18th century, and Portugal itself had seen many political and religious changes due to the prevailing inquisition, so Ponda continued to have a Hindu majority even during the Portuguese rule.
Split into simpler sentences: The religious zeal of the Portuguese had ebbed by the 18th century and Portugal itself had seen many political and religious changes due to the prevailing inquisition. Therefore, Ponda continued to have a Hindu majority even during the Portuguese rule.