Explanations:
After the death of Harshavardhana's father Prabhakarvardhana (605 AD), Harshavardhana's elder brother Rajyavardhana became the king, but he was killed due to the malice of Malwa king Devgupta and Gond king Shashank. Harshavardhana in 606 A.D. had ascended the throne and rescued his sister Rajyashree from Vindhyatvi and merged Kannauj and Thaneshwar in his kingdom, snatched Malwa from Devgupta and drove Shashank to Gond. Harsha is called the 'Sahityakar Samrat' because he composed three plays Priyadarsika, Ratnavali and Nagananda. He wrote India's description in his book called "Si-yu-ki".