Complex sentence: Akbar during his lifetime dispatched many more expeditions to ferret Pratap out of his mountainous hideouts, but they all failed with the heavy losses to the Mughals.Many people do not know about Battle of Dewar where Rajput army defeated Mughal army.
Split into simpler sentences: Akbar during his lifetime dispatched many more expeditions to ferret Pratap out of his mountainous hideouts, but they all failed with the heavy losses to the Mughals. At the Battle of Dewar where Rajput army defeated Mughal army.