Q. Which ruler ended the sovereignty of Tibet which was established for sometime in some areas of Bihar after the death of Harshavardhana?
Answer:
Adityasen
Notes: Adityasen ended the sovereignty of Tibet which was established for sometime in some areas of Bihar after the death of Harshavardhana. After the death of Harshavardhana, a local ruler of Bihar, Arjun troubled the Chinese travellers. In Retaliation, the armies of Tibet and Nepal attacked Bihar and Adityasen ended this war.