Solution:

• Overseas Indians, officially known as Non-resident Indians (NRIs) or Persons of Indian Origin (PIOs), are people of Indian birth, descent, or origin who live outside the Republic of India.
• Overseas Indians are various individuals or ethnic groups associated with India, usually through ancestry, ethnicity, nationality, citizenship or other affiliation and live abroad overseas.
• India has one of the largest diaspora populations in the world with over 15.6 million according to the United Nations Department of Economic and Social Affairs.