 The heart of the Rashtrakuta empire included nearly all of Karnataka , Maharashtra and parts of Andhra Pradesh , an area which the Rashtrakutas ruled for over two centuries . The <unk> copper plate grant ( 753 ) confirms that the feudatory King Dantidurga , who probably ruled from <unk> in Berar ( modern Elichpur in Maharashtra ) , defeated the great Karnatic army ( referring to the army of the Badami Chalukyas ) of Kirtivarman II of Badami in 753 and took control of the northern regions of the Chalukya empire . He then helped his father @-@ in @-@ law , Pallava King Nandivarman regain Kanchi from the Chalukyas and defeated the <unk> of Malwa , and the rulers of Kalinga , Kosala and Srisailam . 
