What was the period of Harshavardhana's reign?

Correct option is C

The correct answer is (c) 606 CE to 647 CE.
 Harshavardhana, also known as Harsha, was an Indian emperor who ruled North India from 606 CE to 647 CE. He was a member of the Vardhana dynasty and is known for his efforts to consolidate and expand his kingdom, as well as his patronage of arts and culture. His reign is marked by relative peace, prosperity, and the flourishing of Buddhism and other cultural activities.
Information Booster:
 Harsha's Achievements:
o Known for his administrative efficiency and the promotion of arts and culture.
o Harsha's court was adorned with famous scholars such as Banabhatta, who wrote "Harshacharita," and the Chinese traveler Xuanzang, who visited his court and documented his reign.
o He established a strong network of political alliances and maintained diplomatic relations with neighboring regions.
 Literary Contributions:
o Harsha himself was a noted author and composed three Sanskrit plays: "Ratnavali," "Nagananda," and "Priyadarsika."