Introduction:
Chandragupta II, also known as Chandragupta Vikramaditya, was one of the most prominent rulers of the Gupta Empire in ancient India. He is known for his significant contributions to art, culture, and trade during his reign. One of his notable accomplishments was the introduction of silver coins.

Explanation:
Chandragupta II issued silver coins on the model of the silver coins of the Sakas of western and central India. This choice was likely influenced by the political and economic circumstances of the time.

Sakas of western and central India:
The Sakas were a group of Scythian people who migrated to the western and central regions of India during the 2nd century BCE. They established their kingdoms and ruled over these territories for several centuries. The Sakas were known for their military prowess and were considered a significant power in the region.

Reasons for choosing Sakas' silver coins:
Chandragupta II's decision to issue silver coins on the model of the Sakas' coins can be attributed to several factors:

1. Trade and commerce: The Sakas were actively involved in trade and commerce, particularly with the Roman Empire. They had access to various trade routes and enjoyed economic prosperity. By imitating their silver coins, Chandragupta II aimed to enhance trade and economic activities within his empire.

2. Cultural exchange: The Sakas had a significant cultural influence on the regions they ruled. Their coins were widely circulated and accepted, which made them familiar to the local population. By issuing coins similar to the Sakas', Chandragupta II sought to establish a sense of continuity and familiarity among his subjects.

3. Political legitimacy: The Sakas were seen as powerful rulers in western and central India. By imitating their coins, Chandragupta II may have sought to project his own power and authority. It was a way of legitimizing his rule and aligning himself with a successful dynasty.

4. Standardization: The Sakas' silver coins were well-crafted and standardized, making them easily recognizable and acceptable in trade transactions. By adopting their model, Chandragupta II aimed to establish a standard coinage system within his empire, facilitating economic transactions and promoting stability.

Conclusion:
Chandragupta II's decision to issue silver coins on the model of the Sakas' coins was a strategic move aimed at promoting trade, cultural exchange, and political legitimacy. By imitating the successful coinage system of the Sakas, he sought to enhance economic activities, establish a sense of continuity, and project his own power and authority. This decision played a crucial role in the economic and political developments of the Gupta Empire during his reign.