The Indian Diaspora is a generic term to describe the people who migrated from territories that are currently within the borders of the Republic of India. It also refers to their descendants. The Diaspora is currently estimated to number over twenty million. composed of “NRIs” (Indian citizens not residing in India) and “PIOs” (Persons of Indian Origin who have acquired the citizenship of some other country). The Diaspora covers practically every part of the world. It numbers more than a million each in eleven countries, while as many as twenty-two countries have concentrations of at least a hundred thousand ethnic Indians.