Article 9 of the Constitution of India states: “If any person voluntarily acquires the citizenship of any foreign State, he shall cease to be a citizen of India.” This provision forms part of Part II (Citizenship) and operates as a self-executing constitutional mandate that overrides any other law. It embodies the principle of single allegiance — that India does not recognise dual citizenship under the original constitutional scheme.
The phrase “voluntarily acquires” is crucial: mere possession of a foreign passport or formal naturalisation triggers automatic cessation. However, compulsory acquisition (e.g., by operation of foreign law without consent) does not attract Article 9. The provision reinforces India’s commitment to exclusive national loyalty.
Article 9 works in tandem with the Citizenship Act, 1955, which details the procedure for renunciation, termination, and deprivation of citizenship. Section 9 of the Citizenship Act directly implements Article 9: “Any citizen of India who by naturalisation, registration or otherwise voluntarily acquires the citizenship of another country shall cease to be a citizen of India.”
Acquisition due to marriage, adoption, or birth in a foreign country (jus soli) without volition does NOT cause termination. Central Government determines the question of voluntary acquisition.
Overseas Citizenship of India (OCI) is not considered “citizenship of a foreign state” in the sense of Article 9 — it’s a special status, not full citizenship, so Indian citizens acquiring OCI of another country would still lose citizenship.
If a citizen voluntarily acquires foreign citizenship and fails to surrender Indian passport, they risk penalties under Passports Act. Termination is automatic from date of foreign acquisition.
Indian courts have consistently upheld the principle of single citizenship. Key rulings clarify “voluntary acquisition” and evidentiary standards:
Supreme Court held that acquisition of Pakistani citizenship by an Indian citizen leads to automatic cessation of Indian citizenship under Article 9, without any formal order. The voluntary act is enough to terminate.
Reiterated that question of voluntary acquisition of foreign citizenship is a question of fact. Mere prolonged stay in a foreign country does not suffice — there must be an overt act like obtaining foreign passport or voting rights.
The Court stressed that where a person holds a foreign passport and travels internationally, a strong presumption arises regarding voluntary acquisition. The onus lies on the individual to prove otherwise.
🏛️ Authority These cases shape the modern understanding — dual citizenship is strictly prohibited for Indian citizens except for minors or specific exceptions under the Citizenship (Amendment) Act, 2019 provisions which do not override Article 9.
With global mobility, many Indians acquire foreign nationality. Article 9 remains a bedrock, but the Government introduced the concept of Overseas Citizen of India (OCI) to grant lifelong visa and certain rights without conferring full citizenship. However, if an Indian citizen voluntarily naturalises as a US, UK, or Canadian citizen, they automatically lose Indian citizenship. Post-renunciation, they can apply for OCI status but cannot vote or hold constitutional offices.
In the digital age, the Central Government launched the “e-Services” portal for renunciation certificates, ensuring transparent implementation. The Ministry of Home Affairs periodically clarifies that acquiring a foreign passport is prima facie evidence of voluntary termination under Article 9.