Question

How did the east India company establish three trade centres at three important places in India ​

Answer 1

East india company was made by Royal Charter so it served the royal family of united kingdom.

Growing of 3 trade centers

1 In 1600 EIC came to port of Surat for fine muslin, cotton yarn and other textile facility.With growing demand they established Surat as trade center as it was sea port too

Later the center was changed to Bombay

2. In search of traditional spices British East India company came to Madras and with establishment of another center

3. In Search of silk, indigo , tea and opium BEIC came to Calcutta and established a factory

The three major ports became the three major trade centers.