Introduction:
The Satavahana dynasty, also known as the Andhra dynasty, was a prominent ruling dynasty in South India from the 2nd century BCE to the 3rd century CE. They were known for their administrative skills, military prowess, and patronage of art and culture. Among the rulers of the Satavahana dynasty, Gotami-puta Siri-Satakarni is considered the best-known ruler due to his significant contributions and accomplishments.

Key Points:
1. Gotami-puta Siri-Satakarni:
Gotami-puta Siri-Satakarni was the 23rd ruler of the Satavahana dynasty and is regarded as one of their most prominent kings. He ruled from around 180 to 220 CE and is known for his military campaigns, administrative reforms, and patronage of Buddhism.

2. Military Campaigns:
Gotami-puta Siri-Satakarni was a skilled military strategist and expanded the empire by conquering vast territories. He successfully defeated his enemies, including the Western Kshatrapas, and extended the Satavahana rule in present-day Maharashtra, Karnataka, and Andhra Pradesh.

3. Administrative Reforms:
During his reign, Gotami-puta Siri-Satakarni implemented several administrative reforms to strengthen the governance of the empire. He introduced standardized coinage, which facilitated trade and commerce. He also improved the infrastructure by constructing roads, water tanks, and irrigation systems.

4. Patronage of Buddhism:
Gotami-puta Siri-Satakarni was a patron of Buddhism and played a significant role in promoting the religion. He constructed several Buddhist stupas and viharas, encouraging the spread of Buddhism in his empire. He also supported Buddhist monks and scholars, contributing to the growth of Buddhist learning and literature.

5. Cultural Development:
Under the rule of Gotami-puta Siri-Satakarni, the Satavahana dynasty experienced a period of cultural prosperity. Literature, art, and architecture thrived during his reign, with the development of unique regional styles. The Amaravati School of Art, known for its exquisite Buddhist sculptures, flourished during this time.

6. Epigraphical Evidence:
Gotami-puta Siri-Satakarni's accomplishments are documented in various inscriptions and coins found across the Satavahana territories. His inscriptions provide valuable historical information about his reign, military conquests, and administrative policies.

Conclusion:
Gotami-puta Siri-Satakarni, the best-known ruler of the Satavahana dynasty, left a significant impact through his military successes, administrative reforms, and patronage of Buddhism. His reign witnessed expansion, cultural development, and a well-organized administration, making him a prominent figure in the history of South India.