 The immigrant community started centuries ago and became more prominent in the late 18th century with arrivals working at the ports in Calcutta and Madras and has gone on to contribute to the social and economic life of Kolkata through manufacturing and trade of leather products and running Chinese restaurants.The community living in Kolkata numbered around 2,000 in 2013.In Mumbai the population of Chinese, many who have mutli-generation roots, is around 4,000.