 There are communities of Chinese who migrated to India during the colonial era between 17th to 19th century and became naturalised Indians, and there are 189,000+ estimated total ethnic Chinese Indians of Chindian or full Chinese ancestry.as well as 5–7,000 Chinese expatriates (2015).The community living in Kolkata numbers around 4,000 and 400 families in Mumbai, where there are Chinatowns.