Complete notes on Indian citizenship — constitutional provisions, acquisition, termination, CAA 2019, OCI, and NRC for Kerala PSC exams.
Published: 20 Apr 2026
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Citizenship is covered in Part II (Articles 5-11) of the Indian Constitution and the Citizenship Act, 1955. Kerala PSC frequently asks about types of citizenship, acquisition methods, and recent amendments like CAA 2019. Expect 1-2 questions per paper.
Constitutional Provisions (Articles 5-11)
Article
Subject
Content
Article 5
Citizenship at commencement
Every person domiciled in India and born in India, OR whose parents were born in India, OR who has been ordinarily resident for 5+ years before Constitution commenced
Article 6
Rights of migrants from Pakistan
Persons who migrated from Pakistan before 19 July 1948 became citizens if (a) born in undivided India AND (b) resident in India since migration. After 19 July 1948 — only if registered
Article 7
Rights of migrants TO Pakistan
Persons who migrated to Pakistan after 1 March 1947 lost Indian citizenship; exception: those who returned on permit
Article 8
NRIs of Indian origin
Persons of Indian origin residing outside India could register as citizens with diplomatic missions
Article 9
Voluntary foreign citizenship
Any person who voluntarily acquires citizenship of a foreign state ceases to be Indian citizen
Article 10
Continuance of citizenship
Every citizen continues to be citizen subject to any law made by Parliament
Article 11
Power of Parliament
Parliament has full power to make any provision on citizenship (acquire, terminate, regulate)
Key Principles of Indian Citizenship
Feature
India’s Position
Single citizenship
India has single citizenship (unlike USA which has dual — federal + state)
No state citizenship
All Indians are citizens of India, not of individual states
Uniform rights
All citizens have same rights regardless of state of residence (with minor exceptions like Article 370 earlier, tribal areas)
Constitutional basis
Part II of Constitution + Citizenship Act, 1955
Parliament’s power
Article 11 — Parliament can make any law regarding citizenship
Citizenship Act, 1955 — Acquisition of Citizenship
Method
Details
By Birth
Born in India on/after 26 Jan 1950 but before 1 July 1987 — citizen regardless of parents’ nationality. Born between 1 July 1987 and 2 Dec 2004 — citizen if either parent is Indian citizen. Born on/after 3 Dec 2004 — citizen only if both parents are citizens OR one parent is citizen and other is not illegal migrant
By Descent
Person born outside India on/after 26 Jan 1950 is citizen if father was Indian citizen at time of birth. From 1992 amendment: if either parent is citizen. Must be registered at Indian consulate within 1 year of birth
By Registration
Available to persons of Indian origin, spouses of Indian citizens (married 7 years), minor children of Indian citizens, etc. Application to prescribed authority
By Naturalisation
For foreigners; must reside in India for 12 years (11 years aggregate + 1 year immediately before application); adequate knowledge of a language in 8th Schedule; good character; intention to reside in India
By Incorporation of Territory
When new territory becomes part of India, Government specifies who becomes citizen (e.g., Goa 1961, Sikkim 1975)
Termination/Loss of Citizenship
Method
Details
Renunciation
Voluntary declaration by citizen of full age and capacity. Minor children also lose citizenship (can resume within 1 year of turning 18)
Termination
Automatic — if an Indian citizen voluntarily acquires citizenship of another country
Deprivation
Compulsory — by order of Government if: citizenship obtained by fraud; citizen disloyal to Constitution; citizen unlawfully traded with enemy; citizen ordinarily resident outside India for 7+ continuous years
Citizenship Amendment Act (CAA), 2019
Aspect
Details
Passed
11 December 2019 (came into effect 10 January 2020; rules notified March 2024)
Amendment to
Citizenship Act, 1955 (Section 2(1)(b))
Provision
Grants eligibility for Indian citizenship to persecuted religious minorities — Hindus, Sikhs, Buddhists, Jains, Parsis, and Christians — from Pakistan, Bangladesh, and Afghanistan
Condition
Must have entered India on or before 31 December 2014
Residency relaxation
Reduces naturalisation requirement from 11 years to 5 years for these groups
Exclusion
Does not include Muslims from these countries
Does not apply to
Areas under 6th Schedule (tribal areas of Assam, Meghalaya, Tripura, Mizoram); states with Inner Line Permit (Arunachal Pradesh, Nagaland, Mizoram, Manipur)
National Register of Citizens (NRC)
Aspect
Details
Definition
Official register of Indian citizens
Assam NRC
Updated under Supreme Court supervision; final list released 31 August 2019; 19.06 lakh people excluded out of 3.3 crore applicants
Legal basis
Citizenship Act, 1955 and Citizenship (Registration of Citizens and Issue of National Identity Cards) Rules, 2003
Purpose
Identify illegal immigrants
Cut-off for Assam
Midnight of 24 March 1971 (based on Assam Accord, 1985)
Overseas Citizen of India (OCI)
Aspect
Details
Introduced
2005 (by Citizenship Amendment Act, 2003)
Merged PIO + OCI
2015 (PIO card scheme merged into OCI)
Who is eligible
Former Indian citizens (or their descendants up to 4 generations) who are citizens of other countries; spouse of OCI cardholder (married 2+ years)
Not eligible
Person who was ever citizen of Pakistan or Bangladesh
Rights
Multiple entry, multi-purpose lifelong visa to India; no visa required; parity with NRIs in economic, financial, educational fields (except agricultural land purchase)
Cannot do
Vote; hold constitutional posts (President, VP, Governor, Judge); join government services; buy agricultural land
Not dual citizenship
OCI is a long-term visa, NOT dual citizenship (India does not allow dual citizenship)
Comparison: Citizen vs OCI vs Foreigner
Right
Indian Citizen
OCI Card Holder
Foreigner
Vote
Yes
No
No
Stand for election
Yes
No
No
Hold government posts
Yes
No
No
Visa-free travel to India
N/A
Yes (lifetime)
No
Buy property
Yes
Yes (except agricultural)
Restricted
Fundamental Rights (Art. 14, 21)
Yes
Art. 14, 21 only
Art. 14, 21 only
Right to reside permanently
Yes
Yes
No (needs visa)
Important Constitutional Cases on Citizenship
Case
Significance
Assam Sanmilita Mahasabha vs Union of India (2015)
SC directed NRC update in Assam
Sarbananda Sonowal vs Union of India (2005)
SC struck down IMDT Act as unconstitutional; helped pave way for NRC
Quick Recall — PSC Favourites
Question
Answer
Part of Constitution dealing with citizenship?
Part II (Articles 5-11)
Can Parliament make laws on citizenship?
Yes — Article 11
India has single or dual citizenship?
Single citizenship
Naturalisation requires residence of?
12 years (11 aggregate + 1 continuous)
Voluntary acquisition of foreign citizenship means?
Automatic loss of Indian citizenship
CAA 2019 covers which countries?
Pakistan, Bangladesh, Afghanistan
CAA 2019 covers which religions?
Hindu, Sikh, Buddhist, Jain, Parsi, Christian
CAA cut-off date?
31 December 2014
NRC Assam final list year?
2019 (31 August)
OCI cardholders can vote?
No
Does India allow dual citizenship?
No
Citizenship Act enacted in?
1955
Citizenship is covered in Part II (Articles 5-11) of the Indian Constitution and the Citizenship Act, 1955. Kerala PSC frequently asks about types of citizenship, acquisition methods, and recent amendments like CAA 2019. Expect 1-2 questions per paper.
Constitutional Provisions (Articles 5-11)
Article
Subject
Content
Article 5
Citizenship at commencement
Every person domiciled in India and born in India, OR whose parents were born in India, OR who has been ordinarily resident for 5+ years before Constitution commenced
Article 6
Rights of migrants from Pakistan
Persons who migrated from Pakistan before 19 July 1948 became citizens if (a) born in undivided India AND (b) resident in India since migration. After 19 July 1948 — only if registered
Article 7
Rights of migrants TO Pakistan
Persons who migrated to Pakistan after 1 March 1947 lost Indian citizenship; exception: those who returned on permit
Article 8
NRIs of Indian origin
Persons of Indian origin residing outside India could register as citizens with diplomatic missions
Article 9
Voluntary foreign citizenship
Any person who voluntarily acquires citizenship of a foreign state ceases to be Indian citizen
Article 10
Continuance of citizenship
Every citizen continues to be citizen subject to any law made by Parliament
Article 11
Power of Parliament
Parliament has full power to make any provision on citizenship (acquire, terminate, regulate)
Key Principles of Indian Citizenship
Feature
India’s Position
Single citizenship
India has single citizenship (unlike USA which has dual — federal + state)
No state citizenship
All Indians are citizens of India, not of individual states
Uniform rights
All citizens have same rights regardless of state of residence (with minor exceptions like Article 370 earlier, tribal areas)
Constitutional basis
Part II of Constitution + Citizenship Act, 1955
Parliament’s power
Article 11 — Parliament can make any law regarding citizenship
Citizenship Act, 1955 — Acquisition of Citizenship
Method
Details
By Birth
Born in India on/after 26 Jan 1950 but before 1 July 1987 — citizen regardless of parents’ nationality. Born between 1 July 1987 and 2 Dec 2004 — citizen if either parent is Indian citizen. Born on/after 3 Dec 2004 — citizen only if both parents are citizens OR one parent is citizen and other is not illegal migrant
By Descent
Person born outside India on/after 26 Jan 1950 is citizen if father was Indian citizen at time of birth. From 1992 amendment: if either parent is citizen. Must be registered at Indian consulate within 1 year of birth
By Registration
Available to persons of Indian origin, spouses of Indian citizens (married 7 years), minor children of Indian citizens, etc. Application to prescribed authority
By Naturalisation
For foreigners; must reside in India for 12 years (11 years aggregate + 1 year immediately before application); adequate knowledge of a language in 8th Schedule; good character; intention to reside in India
By Incorporation of Territory
When new territory becomes part of India, Government specifies who becomes citizen (e.g., Goa 1961, Sikkim 1975)
Termination/Loss of Citizenship
Method
Details
Renunciation
Voluntary declaration by citizen of full age and capacity. Minor children also lose citizenship (can resume within 1 year of turning 18)
Termination
Automatic — if an Indian citizen voluntarily acquires citizenship of another country
Deprivation
Compulsory — by order of Government if: citizenship obtained by fraud; citizen disloyal to Constitution; citizen unlawfully traded with enemy; citizen ordinarily resident outside India for 7+ continuous years
Citizenship Amendment Act (CAA), 2019
Aspect
Details
Passed
11 December 2019 (came into effect 10 January 2020; rules notified March 2024)
Amendment to
Citizenship Act, 1955 (Section 2(1)(b))
Provision
Grants eligibility for Indian citizenship to persecuted religious minorities — Hindus, Sikhs, Buddhists, Jains, Parsis, and Christians — from Pakistan, Bangladesh, and Afghanistan
Condition
Must have entered India on or before 31 December 2014
Residency relaxation
Reduces naturalisation requirement from 11 years to 5 years for these groups
Exclusion
Does not include Muslims from these countries
Does not apply to
Areas under 6th Schedule (tribal areas of Assam, Meghalaya, Tripura, Mizoram); states with Inner Line Permit (Arunachal Pradesh, Nagaland, Mizoram, Manipur)
National Register of Citizens (NRC)
Aspect
Details
Definition
Official register of Indian citizens
Assam NRC
Updated under Supreme Court supervision; final list released 31 August 2019; 19.06 lakh people excluded out of 3.3 crore applicants
Legal basis
Citizenship Act, 1955 and Citizenship (Registration of Citizens and Issue of National Identity Cards) Rules, 2003
Purpose
Identify illegal immigrants
Cut-off for Assam
Midnight of 24 March 1971 (based on Assam Accord, 1985)
Overseas Citizen of India (OCI)
Aspect
Details
Introduced
2005 (by Citizenship Amendment Act, 2003)
Merged PIO + OCI
2015 (PIO card scheme merged into OCI)
Who is eligible
Former Indian citizens (or their descendants up to 4 generations) who are citizens of other countries; spouse of OCI cardholder (married 2+ years)
Not eligible
Person who was ever citizen of Pakistan or Bangladesh
Rights
Multiple entry, multi-purpose lifelong visa to India; no visa required; parity with NRIs in economic, financial, educational fields (except agricultural land purchase)
Cannot do
Vote; hold constitutional posts (President, VP, Governor, Judge); join government services; buy agricultural land
Not dual citizenship
OCI is a long-term visa, NOT dual citizenship (India does not allow dual citizenship)
Comparison: Citizen vs OCI vs Foreigner
Right
Indian Citizen
OCI Card Holder
Foreigner
Vote
Yes
No
No
Stand for election
Yes
No
No
Hold government posts
Yes
No
No
Visa-free travel to India
N/A
Yes (lifetime)
No
Buy property
Yes
Yes (except agricultural)
Restricted
Fundamental Rights (Art. 14, 21)
Yes
Art. 14, 21 only
Art. 14, 21 only
Right to reside permanently
Yes
Yes
No (needs visa)
Important Constitutional Cases on Citizenship
Case
Significance
Assam Sanmilita Mahasabha vs Union of India (2015)
SC directed NRC update in Assam
Sarbananda Sonowal vs Union of India (2005)
SC struck down IMDT Act as unconstitutional; helped pave way for NRC
Quick Recall — PSC Favourites
Question
Answer
Part of Constitution dealing with citizenship?
Part II (Articles 5-11)
Can Parliament make laws on citizenship?
Yes — Article 11
India has single or dual citizenship?
Single citizenship
Naturalisation requires residence of?
12 years (11 aggregate + 1 continuous)
Voluntary acquisition of foreign citizenship means?