Part XVI of the Indian Constitution – Articles 330 to 342
Part XVI of the Indian Constitution – Articles 330 to 342, which deal with Special Provisions relating to Certain Classes, especially the Scheduled Castes (SCs), Scheduled Tribes (STs), Backward Classes, and Anglo-Indians.

Overview of Part XVI
Part XVI (Articles 330 to 342) provides affirmative action and special provisions for:
- Scheduled Castes (SCs)
- Scheduled Tribes (STs)
- Anglo-Indians
- Socially and Educationally Backward Classes (SEBCs)
The aim is to promote social justice, political inclusion, and equal opportunities for these communities.
Article-wise Explanation
Article 330 – Reservation of seats for SCs and STs in the House of the People (Lok Sabha)
- What it says: Seats shall be reserved in Lok Sabha for SCs and STs in proportion to their population in each state/UT.
- Interesting Fact: Initially, the reservation was to last only 10 years, but it has been extended multiple times (currently up to 2030 by the 104th Constitutional Amendment).
Article 331 – Representation of the Anglo-Indian community in Lok Sabha
- What it said: The President could nominate 2 Anglo-Indians to Lok Sabha if the community was not adequately represented.
- Update: This provision was abolished by the 104th Amendment Act, 2019. Now, no nomination is allowed.
Article 332 – Reservation of seats for SCs and STs in State Legislative Assemblies
- What it says: Similar to Lok Sabha, state assemblies must also reserve seats for SCs and STs based on their population in the state.
Article 333 – Representation of the Anglo-Indian community in State Legislative Assemblies
- What it said: Governor could nominate 1 Anglo-Indian to the Legislative Assembly if the community lacked adequate representation.
- Update: Also abolished by the 104th Amendment Act, 2019.
Article 334 – Duration of reservation of seats for SCs and STs and special representation
- What it says: Reservation was initially provided only for 10 years from 1950, but extended repeatedly.
- Current Status: Extended until January 25, 2030.
Article 335 – Claims of SCs and STs to services and posts
- What it says: While considering the efficiency of administration, claims of SCs and STs should be taken into account for government jobs.
- Interesting Fact: This forms the constitutional basis for reservation in government employment.
Article 336 – Special provision for the Anglo-Indian community in certain services
- What it says: Gave Anglo-Indians certain service-related protections in government jobs for two years post-constitution.
- Expired: This provision expired after 1952.
Article 337 – Special provision with respect to educational grants for the Anglo-Indian community
- What it says: Allowed educational grants to Anglo-Indian institutions for ten years, continued by Parliament.
- Current Status: This provision has largely lost relevance due to demographic and policy changes.
Article 338 – National Commission for Scheduled Castes (NCSC)
- What it says: Established a constitutional body (NCSC) to safeguard SC interests.
- Functions:
- Monitor safeguards under Constitution/laws
- Investigate complaints
- Report to the President
- Interesting Fact: Earlier there was only one commission for SCs and STs, which was split by the 89th Amendment Act, 2003.
Article 338A – National Commission for Scheduled Tribes (NCST)
- What it says: Created a separate constitutional body for STs.
- Interesting Fact: Established in 2004 after bifurcation from NCSC.
Article 338B – National Commission for Backward Classes (NCBC)
- Inserted by: 102nd Amendment Act, 2018
- What it says: Made NCBC a constitutional body to protect the rights of Socially and Educationally Backward Classes (SEBCs).
Article 339 – Control of the Union over the administration of Scheduled Areas and the welfare of STs
- What it says: President can appoint a commission to report on the condition of STs; Union can direct states regarding ST welfare.
- Important Use: The Dhebar Commission (1960) was formed under this article.
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Article 340 – Appointment of a commission to investigate the conditions of backward classes
- What it says: President may appoint a commission to examine the conditions of Socially and Educationally Backward Classes.
- Example: The Mandal Commission (1979) was formed under this article.
The Mandal Commission, also known as the Second Socially and Educationally Backward Classes Commission, was established in 1979 to investigate and recommend measures for the upliftment of socially and educationally backward classes (SEBCs) in India. The commission, chaired by B.P. Mandal, identified these classes and recommended reservations in government jobs and educational institutions to address their socio-economic disparities.
Formation and Objectives:
- The commission was formed on January 1, 1979, by the Janata Party government under Prime Minister Morarji Desai.
- Its objective was to identify socially and educationally backward classes in India and recommend ways to improve their conditions.
- This included determining criteria for defining backwardness, suggesting measures to address social and economic inequalities, and recommending reservations in government jobs and educational institutions.
Report and Recommendations:
- The commission submitted its report in 1980.
- It found that 52% of India’s population belonged to Other Backward Classes (OBCs).
- The commission recommended a 27% reservation for OBCs in government jobs and educational institutions.
- These recommendations were implemented by the government in 1990, which led to widespread protests and legal challenges.
Article 341 – Scheduled Castes
- What it says: President can specify SCs for each state/UT via notification.
- Change Process: Parliament can include/exclude communities via law (states cannot do this independently).
Article 342 – Scheduled Tribes
- What it says: Similar to Article 341, but for STs.
- Interesting Fact: The criteria include primitive traits, geographical isolation, and social backwardness.
Interesting Facts Summary
Article | Fun/Important Fact |
330–332 | Reservation is proportionate to population of SCs/STs |
331 & 333 | Anglo-Indian nomination abolished in 2019 |
334 | Reservation extended 9 times, now valid till 2030 |
335 | Ensures balance between merit and representation |
338 & 338A | NCSC & NCST are constitutional watchdogs |
340 | Basis of Mandal Commission |
341 & 342 | Only President + Parliament can alter SC/ST lists |
Landmark Judgments Interpreting Articles 330–342
State of Madras v. Champakam Dorairajan (1951)
- Issue: Challenge to caste-based reservations in educational institutions.
- Verdict: The Supreme Court held that caste-based reservations violated Article 29(2) of the Constitution, which prohibits discrimination in public institutions.
- Impact: This judgment led to the First Amendment of the Constitution, introducing Article 15(4) to allow special provisions for the advancement of socially and educationally backward classes.
Indra Sawhney v. Union of India (1992)
- Issue: Validity of 27% reservation for Other Backward Classes (OBCs) in central government jobs.
- Verdict: The Supreme Court upheld the reservation but introduced the concept of the “creamy layer,” excluding the more affluent among OBCs from reservation benefits. It also set a cap of 50% on total reservations.
- Impact: This case clarified the application of Articles 16(4) and 340, emphasizing that reservations should not exceed 50% and introducing the “creamy layer” concept to ensure that only the truly disadvantaged benefit.
M. Nagaraj v. Union of India (2006)
- Issue: Constitutionality of reservations in promotions for SCs and STs.
- Verdict: The Court upheld the constitutional amendments allowing reservations in promotions but mandated that the state must collect quantifiable data showing backwardness, inadequacy of representation, and the impact on administrative efficiency.
- Impact: This judgment linked Articles 16(4), 16(4A), and 335, emphasizing that reservations in promotions must not compromise administrative efficiency.
Jarnail Singh v. Lachhmi Narain Gupta (2018)
- Issue: Reconsideration of the M. Nagaraj judgment, specifically the requirement of collecting quantifiable data for SCs and STs.
- Verdict: The Court held that the requirement to collect quantifiable data on backwardness for SCs and STs was not necessary, as they are presumed to be backward. However, data on inadequacy of representation and impact on efficiency is still required.
- Impact: This judgment eased the process for providing reservations in promotions for SCs and STs, modifying the M. Nagaraj requirements.
V. Chinnaiah v. State of Andhra Pradesh (2005)
- Issue: Validity of sub-classification among SCs for reservation benefits.
- Verdict: The Supreme Court held that sub-classification among SCs is not permissible, as it would violate the constitutional mandate of treating all SCs equally.
- Impact: This judgment emphasized that any sub-classification within SCs must be done by Parliament, not by state legislatures.
Jaishri Laxmanrao Patil v. Chief Minister, Maharashtra (2021)
- Issue: Constitutionality of the Maharashtra law granting reservations to the Maratha community.
- Verdict: The Supreme Court struck down the law, stating that the state exceeded its authority by identifying SEBCs after the 102nd Constitutional Amendment, which vested this power solely with the President.
- Impact: This judgment clarified the roles of the state and central governments in identifying SEBCs under Articles 338B and 342A.
Summary of Key Constitutional Articles and Their Judicial Interpretations
Article | Subject | Judicial Interpretation |
330 & 332 | Reservation of seats for SCs and STs in Lok Sabha and State Assemblies | Upheld in various judgments, ensuring political representation. |
334 | Duration of reservation | Extended periodically through constitutional amendments; currently extended till 2030. |
335 | Claims of SCs and STs to services and posts | Efficiency of administration must be maintained; reservations should not compromise efficiency. |
338 & 338A | National Commissions for SCs and STs | Empowered to investigate and monitor safeguards for SCs and STs. |
340 | Appointment of a commission to investigate the conditions of backward classes | Basis for the Mandal Commission, leading to OBC reservations. |
341 & 342 | Scheduled Castes and Scheduled Tribes | Only the President, with Parliament’s approval, can specify or modify the lists. |
Key Constitutional Amendments Affecting Articles 330–342
8th Amendment Act, 1959
- Purpose: Extended the reservation of seats for SCs and STs in the Lok Sabha and State Legislative Assemblies for another 10 years, up to 1970.
23rd Amendment Act, 1969
- Purpose: Further extended the reservation for SCs and STs up to 1980.
45th Amendment Act, 1980
- Purpose: Extended the reservation period for SCs and STs up to 1990.
62nd Amendment Act, 1989
- Purpose: Extended the reservation for SCs and STs up to 2000.
79th Amendment Act, 1999
- Purpose: Extended the reservation for SCs and STs up to 2010.
95th Amendment Act, 2009
- Purpose: Extended the reservation for SCs and STs up to 2020.
104th Amendment Act, 2019
- Purpose:
- Extended the reservation for SCs and STs in the Lok Sabha and State Legislative Assemblies up to 2030.
- Removed the provision for the nomination of Anglo-Indian members in the Lok Sabha and State Assemblies by not extending it further.
89th Amendment Act, 2003
- Purpose: Bifurcated the National Commission for Scheduled Castes and Scheduled Tribes into two separate bodies:
- National Commission for Scheduled Castes (Article 338)
- National Commission for Scheduled Tribes (Article 338A)
102nd Amendment Act, 2018
- Purpose:
- Granted constitutional status to the National Commission for Backward Classes (NCBC) by inserting Article 338B.
- Introduced Article 342A, empowering the President to specify the socially and educationally backward classes (SEBCs) in consultation with the Governor of the concerned state.
105th Amendment Act, 2021
- Purpose: Clarified that states have the power to identify and notify SEBCs, restoring the authority that was perceived to be taken away by the 102nd Amendment.
106th Amendment Act, 2023
- Purpose:
- Introduced Article 330A, providing for the reservation of seats for women in the Lok Sabha.
- Introduced Article 332A, providing for the reservation of seats for women in the State Legislative Assemblies.
- Introduced Article 334A, stipulating that the reservation for women will come into effect after the delimitation exercise based on the first census conducted after the commencement of this amendment and will be in force for 15 years.
Summary Table of Amendments
Amendment Act | Year | Key Changes |
8th | 1959 | Extended SC/ST reservation to 1970 |
23rd | 1969 | Extended SC/ST reservation to 1980 |
45th | 1980 | Extended SC/ST reservation to 1990 |
62nd | 1989 | Extended SC/ST reservation to 2000 |
79th | 1999 | Extended SC/ST reservation to 2010 |
95th | 2009 | Extended SC/ST reservation to 2020 |
104th | 2019 | Extended SC/ST reservation to 2030; Removed Anglo-Indian nomination |
89th | 2003 | Bifurcated National Commission for SCs and STs |
102nd | 2018 | Granted constitutional status to NCBC; Introduced Article 342A |
105th | 2021 | Restored states’ power to identify SEBCs |
106th | 2023 | Introduced Articles 330A, 332A, and 334A for women’s reservation |