Q. Which of the following was the headquarters of Danes in India?
Explanation: Danes formed an East India Company in c.1616 CE. They established settlement at Tranquebar (Tamil Nadu) in c.1620 CE and at Serampore (Bengal) in c.1676 CE. Serampore was their headquarters in India.
However, they failed to strengthen themselves in India and were forced to sell all their settlements in India to the British in c.1845 CE.
Source: Tamil Nadu NCERT