Who among the following was the founder of the Rashtrakuta dynasty?

Dhantidurga

The correct answer is Option 2- Dhantidurga

The founder of the Rashtrakuta dynasty was Dantidurga.

He was a feudatory of the Chalukyas of Badami, but he overthrew them in 753 CE and established the Rashtrakutas as the dominant power in South India.

Dantidurga expanded the Rashtrakuta empire to include parts of present-day Maharashtra, Karnataka, Andhra Pradesh, and Gujarat. He was also a great patron of the arts and literature.