UPSC Prelims 2020 Question:

With reference to the period of Gupta dynasty in ancient India, the towns Ghantasala, Kadura and Chaul were well known as

Explanation: 

• During the Gupta era, the east coast ports of Tamralipti, Ghantasala, and Kadura handled north-Indian trade with south-east Asia, while the west coast ports of Broach, Chaul, Kalyan, and Cambray traded with the Mediterranean and west Asia.
  
  
• They handled the export of spices, pepper, sandalwood, pearls, precious stones, perfumes, indigo, and herbs. The imports included Chinese silk, ivory and horses.
  
  

Therefore, option (1) is the correct answer.

Subject: History | Gupta Age