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Constitution Amendment Bill, part of delimitation package, defeated

April 17, 2026 5 min read Polity & Governance GS Paper 2 (Constitutional Law Parliament)
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What Happened

  • The Constitution (131st Amendment) Bill, 2026, the enabling constitutional amendment for India's delimitation and women's reservation package, was defeated in the Lok Sabha on April 17, 2026.
  • The division recorded 298 votes in favour and 230 against — falling short of the two-thirds majority of 352 votes needed (out of 528 present and voting).
  • A united opposition, comprising the Congress, TMC, SP, DMK, AAP and other INDIA bloc members, voted against; NDA parties voted in favour.
  • Following the defeat, the government withdrew the other two bills in the package — the Delimitation Bill, 2026 and the Union Territories Laws (Amendment) Bill, 2026.
  • The defeat effectively defers any delimitation-based implementation of the 106th Amendment (Nari Shakti Vandan Adhiniyam, 2023) until after the 2027 Census and a future legislative attempt.

Static Topic Bridges

The Constitution (131st Amendment) Bill, 2026: What It Proposed

The Constitution (131st Amendment) Bill, 2026 proposed two principal amendments to the Constitution: (1) to increase the maximum number of seats in the Lok Sabha from 550 to 850 (with up to 815 seats from states and 35 from union territories), enabling the expanded House to accommodate women's reservation without reducing anyone's existing representation; and (2) to amend Article 82 and related provisions to permit delimitation based on the 2011 Census — overriding the 84th Amendment's restriction that inter-state seat reallocation must wait until the "first census after 2026." The bill was an amendment to Part V of the Constitution (The Union — Parliament), which requires a two-thirds special majority but not state ratification.

  • Bill number: Constitution (131st Amendment) Bill, 2026
  • Introduced: April 16, 2026, in Lok Sabha
  • Proposed Lok Sabha maximum: 850 seats (815 from states + 35 from UTs), up from current 543
  • Current maximum under Article 81: 550 seats (530 from states + 20 from UTs + provisions for Anglo-Indian nomination, since removed by 104th Amendment)
  • Key constitutional change: allowing 2011 Census to substitute for the "first census after 2026" condition in the 84th Amendment
  • Special majority required: two-thirds of members present and voting under Article 368(2)
  • State ratification: not required (not a federal provision under Article 368(2) proviso)

Connection to this news: The defeat of this bill means neither the seat expansion nor the census substitution takes effect — the existing constitutional framework (543 seats, 2027 Census required for delimitation) remains intact.

Article 81: Composition of the Lok Sabha

Article 81 of the Constitution defines the composition of the Lok Sabha (House of the People). It provides that the Lok Sabha shall consist of not more than 550 members chosen by direct election from territorial constituencies in states, plus not more than 20 members representing UTs (chosen as Parliament prescribes). The actual number of seats has been 543 since 1977, within this ceiling. Article 81(2) mandates that seats shall be allocated to each state such that the ratio between the number of seats and population is, as far as practicable, the same for all states.

  • Article 81(1): maximum 550 elected members from states; maximum 20 from UTs
  • Article 81(2): seats allocated on population ratio — principle of proportional representation
  • Current Lok Sabha strength: 543 (526 from states + 13 from UTs + 4 from J&K after reorganisation)
  • The 131st Amendment proposed raising the ceiling to 850 — requiring an amendment to Article 81(1)
  • Article 331 (nominated Anglo-Indian seats): removed by the 104th Amendment (2020)

Connection to this news: By defeating the 131st Amendment, Parliament has left Article 81's ceiling unchanged — the Lok Sabha cannot expand to 850 without a future constitutional amendment.

The Opposition's United Front: INDIA Bloc Cohesion on Constitutional Votes

The INDIA bloc (Indian National Developmental Inclusive Alliance) was formed in 2023 as an electoral coalition against the NDA. While the alliance has faced internal tensions on seat-sharing during elections, the April 2026 vote demonstrated its capacity for legislative cohesion — 230 members voting as a bloc on a constitutional question. The opposition's unity rested on a shared set of objections: the use of the 2011 Census rather than the upcoming 2027 Census, the absence of OBC sub-quotas in women's reservation, federal concerns about southern states' representation, and objections to the notification of the 2023 Act mid-debate.

  • INDIA bloc formed: 2023; comprised of Congress, TMC, SP, AAP, DMK, NCP (Sharad Pawar), JMM, and other parties
  • INDIA bloc approximate Lok Sabha strength: ~230 seats
  • For the April 17 vote: all 230 noes came from opposition parties
  • NDA approximately secured all its seats (298) plus potentially some independent/smaller party votes
  • Constitutional votes require cross-party negotiation — historically, major constitutional amendments (GST, NDA 99th Amendment) were preceded by extended inter-party consultations

Connection to this news: The 230-vote opposition bloc was arithmetically sufficient to deny the government the 352 threshold. The bill's defeat signals that future constitutional change on delimitation will require either negotiated opposition buy-in or a change in the Lok Sabha composition.

Key Facts & Data

  • Vote: 298 ayes, 230 noes, 0 abstentions; 528 present and voting
  • Required threshold: 352 (two-thirds of 528 present and voting)
  • Deficit: 54 votes
  • Bills withdrawn after defeat: Delimitation Bill 2026, UT Laws Amendment Bill 2026
  • Article 81 ceiling (existing): 550 seats maximum; current actual: 543
  • Article 81 ceiling (proposed under 131st Amendment): 850 seats (815 states + 35 UTs)
  • Constitutional basis for amendment procedure: Article 368(2)
  • State ratification not required for this particular amendment (not a federal provision)
  • 106th Amendment (Nari Shakti Vandan Adhiniyam) notified April 16, 2026
  • Implementation of women's reservation now expected: not before 2034 General Elections (2027 Census + delimitation required)
  • Historical parallel: the 99th Amendment (NJAC, 2014) was passed by Parliament with broad consensus but struck down by the Supreme Court in 2015