Vatsraja was defeated by the Dhruva Dharavarsha of the Rashtrakuta dynasty around 800 .
Around 786 , the Rashtrakuta ruler Dhruva ( c. 780 -- 793 ) crossed the Narmada River into Malwa , and from there tried to capture Kannauj .
Vatsraja was defeated by the Dhruva   of the Rashtrakuta dynasty around 800 .
Around 786 , the Rashtrakuta ruler Dhruva ( c. 780 -- 793 ) crossed the Narmada River into Malwa , and from there tried to capture Kannauj .