Explanation:

- Correct Answer: Option:2 - Satavahana

- Gautamiputra Shri Satakarni was a prominent ruler of the Satavahana Dynasty.

- The Satavahanas were an ancient Indian dynasty that ruled parts of the central and southern India.

- Rashtrakuta Dynasty emerged later and is associated with the Deccan region.

- The Chola Dynasty was based primarily in the southern part of the Indian subcontinent.

- The Chera Dynasty was located in present-day Kerala and parts of Tamil Nadu, primarily in South India.