How did Delhi become the most state in the sub-continent? What led Delhi to one of the states everyone wanted to capture? The second most widely spread religion in India after Hinduism is Islam. So how did Islam reach India all the way from Turkey? What were these events? Well, the Sultans of Delhi are one of the primary reasons for the spread of Islamism in India. But who were these Sultans? Let’s rewind the timeline a bit and find answers to these questions.