 In December 1667, the Mughal emperor Aurangzeb received intelligence of the capture of Guwahati by the Ahoms, and he at once resolved to dispatch a strong army to reestablish Mughal prestige in North-East frontier.He commissioned Raja Ramsingh I of Amber, son of the distinguished general Mirza-Raja Jai Singh I, to lead an invasion of Assam.He was accompanied by Rashid Khan, the ex-Faujdar of Guwahati.