Part II of the Constitution deals with the citizenship provisions for India, defining which persons are citizens at the commencement of the Constitution, and laying down special conditions for persons affected by the partition of the country.
Articles 5 to 11
Article 5: Citizenship at the commencement of the Constitution
Article 6: Rights of citizenship of certain persons who have migrated to India from Pakistan
Article 7: Rights of citizenship of certain migrants to Pakistan
Article 8: Rights of citizenship of certain persons of Indian origin residing outside India
Article 9: Persons voluntarily acquiring citizenship of a foreign State not to be citizens
Article 10: Continuance of the rights of citizenship
Article 11: Parliament to regulate the right of citizenship by law