- Who was a citizen of India at the time of, or at any time after the commencement of the Constitution i.e. 26.01.1950; or
- Who was eligible to become a citizen of India on 26.01.1950; or
- Who belonged to a territory that became part of India after 15.08.1947; or
- Who is a child or a grandchild or a great grandchild of such a citizen; or
- Who is a minor child of such persons mentioned above; or
- Who is a minor child and whose both parents are citizens of India or one of the parents is a citizen of India; or
- Spouse of foreign origin of a citizen of India or spouse of foreign origin of an Overseas Citizen of India Cardholder registered under the Citizenship Act, 1955 and whose marriage has been registered and subsisted for a continuous period of not less than two years immediately preceding the presentation of the application.