Explanation:

- Option 1: Mughal

- The Mughal dynasty was established in the 16th century, much later than Harshavardhana's period.

- Prominent rulers include Akbar, Jahangir, and Shah Jahan.

- Option 2: Maurya

- The Maurya dynasty was established by Chandragupta Maurya.

- The dynasty preceded Harshavardhana's era by several centuries.

- Option 3: Gupta

- The Gupta Empire came before Harshavardhana and is known for its golden age in ancient India.

- Prominent rulers included Chandragupta I and Samudragupta.

- Option 4: Pushyabhuti

- Harshavardhana belonged to the Pushyabhuti dynasty, also known as the Vardhana dynasty.

- His reign is notable for consolidating northern India and spreading Buddhism.

Answer: Pushyabhuti