Question: Who was this Mughal Emperor that reigned nearly half a century whom Saadat Ali Khan I fought alongside with against the Maratha in the Deccan?
Sentence (from "Saadat Ali Khan I"): At the age of 25 he accompanied his father Muhammad Nasir and joined the final campaign of the Mughal Emperor Aurangzeb against the Maratha in the Deccan, where the Mughal Emperor honorably awarded him the title "Khan Bahadur" for his steadfast services.
Relevant evidence: Yes