Solution:

Kochi was the headquarters of Dutch.

Effects of Dutch Rule

• The Dutch carried out their own modes of agriculture in Kerala and brought new products and seeds. They were the one who promoted manufacture of salt and dyeing.
• They promoted gardening and furniture manufacture. They also introduced new methods of medicine and built a number of orphanages.
• The Dutch were interested in preserving the historical monuments. The palace built by the Portuguese in 1555 at Mattancheri was renovated by them in 1663. Now it is called Dutch Palace. They also built the Bolgatty Palace in 1744.
• The Dutch brought many changes in the military here. After the Battle of Kulachal, Marthanda Varma appointed the Dutch general Delanoy, who had been captured, as the head of his army. It led to the renovation of military here.