 Dantidurga 's successor Krishna I brought major portions of present @-@ day Karnataka and Konkan under his control . During the rule of Dhruva Dharavarsha who took control in 780 , the kingdom expanded into an empire that encompassed all of the territory between the Kaveri River and Central India . He led successful expeditions to Kannauj , the seat of northern Indian power where he defeated the Gurjara Pratiharas and the Palas of Bengal , gaining him fame and vast booty but not more territory . He also brought the Eastern Chalukyas and Gangas of Talakad under his control . According to <unk> and Sen , the Rashtrakutas became a pan @-@ India power during his rule . 
