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Constitutional Theme Guide

Union, Territory & Citizenship

Articles 1 to 11: The indestructible Union and the body of citizens.

Constitutional Overview

The opening parts of the Constitution establish the political sovereignty, territorial boundaries, and democratic membership of the Republic. India is defined as an indestructible Union of destructible States with single, equal citizenship for all.

Core Principles

  • •India, that is Bharat, shall be a Union of States comprising States, Union Territories, and acquired territories (Article 1).
  • •Parliamentary authority to admit or establish new States and reorganise internal state boundaries (Articles 2–4).
  • •Determination of citizenship at the commencement of the Constitution based on domicile and birth (Article 5).
  • •Rules governing persons migrating to India or Pakistan during Partition (Articles 6–7).
  • •Strict adherence to single citizenship, barring foreign nationals from claiming citizenship at commencement (Article 9).
  • •Plenary authority of Parliament to regulate citizenship and naturalisation by law (Article 11).

Key Constitutional Articles

Article 1Read Guide

Name and territory of the Union

Defines India as a single, indestructible Union of States named Bharat, comprising all the States, Union Territories, and any acquired territories.

Article 2Read Guide

Admission or establishment of new States

Empowers Parliament to admit into the Indian Union, or establish as new States, external territories that were not previously part of India.

Article 3Read Guide

Formation of new States and alteration of areas, boundaries or names of existing States

Empowers Parliament to create new states, adjust state borders, increase or decrease a state’s area, or change a state’s name by ordinary legislation.

Article 4Read Guide

Laws made under articles 2 and 3 to provide for the amendment of the First and the Fourth Schedules and supplemental, incidental and consequential matters

Clarifies that laws creating new states or redrawing boundaries are passed by an ordinary parliamentary majority and do not require a constitutional amendment under Article 368.

Article 5Read Guide

Citizenship at the commencement of the Constitution

Determined who automatically became an Indian citizen on 26 January 1950 based on having an Indian domicile combined with birth, parentage, or five years of prior residence.

Article 6Read Guide

Rights of citizenship of certain persons who have migrated to India from Pakistan

Granted citizenship at the Constitution’s commencement to displaced refugees who migrated from Pakistan to India following the 1947 Partition, subject to origin and residence criteria.

Article 7Read Guide

Rights of citizenship of certain migrants to Pakistan

Provided that persons who migrated from India to Pakistan after 1 March 1947 lost their Indian citizenship, unless they returned under a lawful permit for permanent resettlement.

Article 8Read Guide

Rights of citizenship of certain persons of Indian origin residing outside India

Allowed persons of Indian origin living abroad on 26 January 1950 to claim Indian citizenship by registering with an Indian diplomatic or consular mission.

Article 9Read Guide

Persons voluntarily acquiring citizenship of a foreign State not to be citizens

Article 9 bars citizenship under Articles 5, 6 or 8 at the Constitution’s commencement after voluntary acquisition of foreign citizenship; later termination is governed by section 9 of the Citizenship Act, 1955.

Article 10Read Guide

Continuance of the rights of citizenship

Guarantees that anyone recognized as a citizen under Articles 5–8 continues to remain a citizen, subject only to laws enacted by Parliament.

Article 11Read Guide

Parliament to regulate the right of citizenship by law

Grants Parliament complete constitutional authority to make laws governing who can acquire, lose, or hold Indian citizenship after 26 January 1950.

Everyday Citizen Questions

Constituent Assembly Deliberations