Online OCI Services
https://ociservices.gov.in/

Overseas Citizenship of India Scheme
https://www.mea.gov.in/overseas-citizenship-of-india-scheme.htm

Extract from the Citizenship Act, 1955 (Overseas Citizenship)
https://www.mea.gov.in/images/pdf/extracts-of-citizenship-act1955.pdf

PIO/OCI Card Information
https://www.mea.gov.in/Portal/CountryQuickLink/703_PIO-OCI.pdf

Scholarship Programmes for Diaspora Children
https://www.mea.gov.in/spdc.htm
University Scholarships for Indian Diaspora Children

OCI Cardholder Comparative Chart on NRI/PIO/OCI Cardholder
https://mha.gov.in/PDF_Other/4OCIcardholder_AComparativechart_15112019.pdf

OCI Cardholder Brochure
https://mha.gov.in/PDF_Other/2OCIcardholder_Brochure_15112019.pdf

Bureau of Immigration on Person Of Indian Origin (PIO)
https://boi.gov.in/content/person-indian-origin-pio

Conversion of PIO Card to OCI Card
https://www.indianembassyusa.gov.in/pages/Mjc,

Overseas Citizen of India (OCI) FAQ
https://www.indianembassyusa.gov.in/pages/NjA,

The Citizenship Amendment Act of 2003
http://egazette.nic.in/WriteReadData/2004/E_7_2011_119.pdf

The Citizenship Amendment Act of 2019
http://164.100.47.4/BillsTexts/LSBillTexts/PassedLoksabha/172C_%202016_LS_Eng.pdf