Explanation:

- Pushyabhuti was the founder of the Vardhana dynasty. He ruled from Thaneswar, located in modern-day Haryana, India. The dynasty is notable for its prominent ruler Harsha Vardhana, who expanded its influence across North India.

- Chera dynasty was one of the important ruling dynasties of Southern India, prominently present in the region which is now part of Kerala.

- Pandya dynasty was also a significant Southern Indian dynasty, with its capital generally centered in the region now known as Tamil Nadu.

- Chalukya dynasty ruled large parts of Southern and Central India at different periods, known for their contributions to art and architecture, especially in Karnataka.

The correct option is:

Option 3: Vardhana