Mandal Commission and Caste-Based Reservation

The Mandal Commission derives its authority from Article 340 of the Constitution of India, which empowers the President to appoint a commission to investigate the conditions of socially and educationally backward classes and recommend steps for their advancement. Formally the Second Backward Classes Commission, it was constituted on 1 January 1979 by the Janata Party government of Prime Minister Morarji Desai and chaired by B. P. Mandal, a former Chief Minister of Bihar. It followed the First Backward Classes Commission (the Kaka Kalelkar Commission of 1953), whose recommendations had been shelved. The constitutional scaffolding for the reservations it proposed rests on Articles 15(4) and 16(4), which permit the State to make special provisions and reserve appointments for any backward class of citizens not adequately represented in public services. The Commission submitted its report in December 1980, identifying 3,743 castes and communities as Other Backward Classes (OBCs).

The Commission's procedural method centred on identifying backwardness through eleven indicators grouped into three categories: social, educational, and economic, weighted respectively at three, two, and one point, giving social criteria primacy. A community scoring above a threshold on this composite index was designated backward. Because the 1931 Census was the last to enumerate caste comprehensively, the Commission relied on that data, extrapolated population figures, and estimated OBCs at roughly 52 percent of the national population. Constrained by the Supreme Court's earlier ceiling on reservations, it recommended 27 percent rather than a proportional figure, so that total reservations—when added to the 15 percent for Scheduled Castes and 7.5 percent for Scheduled Tribes—would not breach 50 percent. The report lay dormant for a decade until Prime Minister V. P. Singh announced its implementation for central government posts on 7 August 1990 through an Office Memorandum issued by the Department of Personnel and Training.

The implementation triggered an additional layer of mechanics through litigation. The 1990 memorandum was challenged and consolidated in Indra Sawhney v. Union of India (1992), in which a nine-judge bench of the Supreme Court upheld the 27 percent OBC quota but imposed several conditions. It capped total reservations at 50 percent except in extraordinary circumstances, prohibited reservation in promotions for OBCs, and—most consequentially—mandated exclusion of the affluent creamy layer among OBCs. The Government of India operationalised the creamy-layer test through an Office Memorandum of 8 September 1993 setting an income and status ceiling, periodically revised; as of 2017 the gross-income threshold stood at ₹8 lakh per annum, with children of constitutional functionaries and senior officials excluded regardless of income. The judgment also directed creation of a permanent statutory body, leading to the National Commission for Backward Classes.

Contemporary administration of these provisions runs through several institutions in New Delhi. The Ministry of Social Justice and Empowerment maintains the central OBC list, while the National Commission for Backward Classes (NCBC) gained constitutional status under Article 338B through the 102nd Constitutional Amendment Act of 2018. The 103rd Amendment of January 2019 introduced a separate 10 percent reservation for Economically Weaker Sections (EWS) among groups not already covered, a measure the Supreme Court upheld 3-2 in Janhit Abhiyan v. Union of India (2022), notably breaching the 50 percent ceiling for a non-caste category. The 102nd Amendment's effect on state power to identify backward classes prompted the 105th Amendment of 2021, which restored the authority of state governments to maintain their own OBC lists after the Maratha reservation case (Jaishri Laxmanrao Patil, 2021) struck down Maharashtra's quota.

Caste-based reservation under the Mandal framework must be distinguished from adjacent constitutional categories. Scheduled Caste and Scheduled Tribe reservation flows from Articles 341 and 342 and presidential schedules, and—unlike OBC reservation—is not subject to the creamy-layer exclusion, though M. Nagaraj (2006) and Jarnail Singh (2018) imported a creamy-layer concept into SC/ST promotions. EWS reservation is explicitly economic and non-caste, resting on the newly inserted Articles 15(6) and 16(6). The term "reservation" itself differs from "affirmative action" in the American sense: Indian reservation establishes fixed quotas of seats and posts rather than the flexible race-conscious balancing permitted under U.S. jurisprudence, which prohibits rigid quotas.

The framework remains contested on several fronts. The 50 percent ceiling, treated as near-inviolable since Indra Sawhney, has been pierced by EWS reservation and challenged by states such as Tamil Nadu, whose 69 percent reservation survives under the Ninth Schedule. The absence of contemporary caste-census data—the 2011 Socio-Economic and Caste Census figures on OBCs were never fully released—undermines empirical recalibration, prompting Bihar's state caste survey of 2023. Sub-categorisation of OBCs to ensure equitable distribution among more and less advanced communities was examined by the Justice G. Rohini Commission, constituted in 2017 and reporting in 2023. The Supreme Court's 2024 ruling in State of Punjab v. Davinder Singh permitted sub-classification within Scheduled Castes, reopening parallel debates for OBCs.

For the working practitioner—whether a UPSC aspirant, a policy researcher, or a desk officer—the Mandal framework is foundational to understanding Indian social policy, federal contestation, and the limits of judicial review over distributive justice. It exemplifies the tension between formal and substantive equality embedded in Articles 14 through 16, and it structures recruitment to the very civil services those aspirants seek to join. Mastery of the Indra Sawhney conditions, the creamy-layer doctrine, and the sequence of constitutional amendments from the 102nd to the 105th is indispensable for analysing contemporary debates on quotas, the demand for a national caste census, and the evolving balance between caste and economic criteria in Indian affirmative action.