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The Union government introduced the and a companion Delimitation Bill to increase the Lok Sabha's capacity from 543 to 850 seats. The legislation shifts the basis of territorial constituency allocation from the frozen 1971 Census to the 2011 Census, primarily to enable the implementation of women's reservation. This major restructuring has sparked debates over regional representation, as it threatens to significantly reduce the political weight of Southern and North-Eastern states in favor of the more populous Hindi heartland.
The process of redrawing electoral boundaries is governed by Article 82 of the Constitution, which historically required a readjustment of parliamentary seats after every census. However, to incentivize state-level family planning programs, the 42nd Amendment Act in 1976 froze the allocation of Lok Sabha seats based on the 1971 Census. This constitutional freeze was later extended to the first census published after the year 2026 by the 84th Amendment Act in 2001. The proposed Constitution (131st Amendment) Bill seeks to replace this hard freeze with a flexible framework, allowing Parliament to determine the baseline census through ordinary legislation. A Delimitation Commission—a powerful, independent body whose orders cannot be challenged in any court—will be tasked with the actual redrawing of electoral boundaries using the 2011 Census data. For the UPSC exam, aspirants must clearly understand the constitutional backing of delimitation, the specific amendments that altered it, and the absolute legal authority wielded by the commission.
The shift to the 2011 Census for seat allocation brings to the forefront a profound tension in cooperative federalism between the North and South. Southern Indian states successfully implemented national population control policies, drastically reducing their Total Fertility Rate (the average number of children a woman would have over her lifetime). If Lok Sabha seats are strictly distributed on a demographic basis to uphold the democratic principle of one person, one vote, these progressive states face a steep decline in their share of national political power. Conversely, the Hindi-heartland states, which have seen sustained population growth, stand to become the overwhelming beneficiaries of the newly created parliamentary seats. This creates a governance paradox where states feel they are being politically penalized for achieving crucial national socio-economic targets. UPSC Mains frequently tests this tension, asking candidates to evaluate solutions like maintaining a freeze on the inter-state seat ratios while only increasing intra-state constituencies to balance federal equity with democratic representation.
The primary catalyst for this massive political restructuring is the operationalization of the Nari Shakti Vandan Adhiniyam, 2023, which mandates a historic 33% reservation for women in the Lok Sabha and State Legislative Assemblies. By significantly expanding the Lok Sabha to 850 seats, the government ensures that the absolute number of unreserved seats does not drastically shrink, thereby mitigating potential political resistance from incumbent representatives. Furthermore, utilizing the 2011 Census reflects more contemporary demographic realities and massive internal migration trends, recognizing the changing social fabric of urban and peri-urban constituencies across India. The proposed delimitation essentially acts as a functional bridge between shifting demographic profiles and the enforcement of gender justice in highest-level political representation. Aspirants should prepare to analyze how changing demographics interact with affirmative action policies, and the socio-political challenges of integrating such sweeping quotas into a diverse, multi-regional country.