Fill in the blanks:
1. ........ the king of Ceylon, was a contemporary of Samudragupta.
2. Buddhist monk from China ........ visited India during the reign of Chandragupta II.
3. ........ invasion led to the downfall of Gupta Empire.
4. ........ was the main revenue to the Government.
5. The official language of the Guptas was ...........
6. ......... the Pallava king was defeated by Samudragupta.
7. ........ was the popular king of Vardhana dynasty.
8. Harsha shifted his captial from ......... to Kanauj.