Indian Polity & Governance·Basic Structure

Constituent Assembly — Basic Structure

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Version 1Updated 5 Mar 2026

Basic Structure

The Constituent Assembly of India was established in 1946 under the Cabinet Mission Plan to frame the Constitution of independent India. Originally comprising 389 members, it was reduced to 299 after partition.

Dr. Rajendra Prasad served as President, while Dr. B.R. Ambedkar chaired the crucial Drafting Committee. The Assembly held its first meeting on 9th December 1946 and adopted the Constitution on 26th November 1949, which came into effect on 26th January 1950.

Key features included democratic representation through provincial assemblies, systematic working through specialized committees, extensive debates on constitutional principles, and adaptation of global constitutional models to Indian conditions.

Major committees included the Drafting Committee, Steering Committee, Union Powers Committee, and Fundamental Rights Sub-Committee. The Assembly's work was guided by the Objectives Resolution moved by Nehru, which laid down the philosophical foundation of the Constitution.

After completing its constitution-making role, the Assembly transformed into India's Provisional Parliament until 1952. The Assembly's inclusive approach, democratic deliberations, and commitment to social justice established the foundation for India's constitutional democracy and continue to influence constitutional interpretation and governance practices today.

Important Differences

vs Parliament of India

AspectThis TopicParliament of India
NatureConstituent body with sovereign constitution-making powerLegislative body with limited powers under the Constitution
Source of AuthorityDerived authority from Cabinet Mission Plan and Indian Independence Act 1947Derives authority from the Constitution framed by Constituent Assembly
Composition299 members elected indirectly through provincial assemblies545 members in Lok Sabha (543 elected + 2 nominated) and 245 in Rajya Sabha
DurationTemporary body (1946-1950) with specific constitution-making mandatePermanent institution with 5-year terms for Lok Sabha
PowersUnlimited constituent power to frame Constitution and function as legislatureLimited legislative, financial, and oversight powers as defined by Constitution
The Constituent Assembly was a sovereign body with unlimited power to frame the Constitution, while Parliament operates within constitutional constraints. The Assembly represented the constituent power of the people, whereas Parliament exercises delegated legislative authority. The Assembly's work was foundational and temporary, while Parliament's role is ongoing governance within the constitutional framework established by the Assembly.

vs Cabinet Mission Plan

AspectThis TopicCabinet Mission Plan
NatureConstitutional body that implemented the Cabinet Mission PlanBritish proposal for constitutional framework and Assembly formation
Composition ProposedActually comprised 299 members after partitionOriginally proposed 389 members (292 British India + 97 Princely States)
Federal StructureCreated strong federal structure with powerful centerProposed weak federal structure with minimal central powers
Grouping SystemRejected the grouping system entirelyProposed mandatory grouping of provinces into three groups
Final OutcomeSuccessfully framed comprehensive Constitution for independent IndiaFailed to prevent partition and maintain united India
While the Constituent Assembly was formed based on the Cabinet Mission Plan, it significantly deviated from the Plan's original vision. The Assembly rejected the weak federal structure and grouping system proposed by the Mission, instead creating a strong federal system with a powerful center. The Assembly's success in framing a comprehensive Constitution contrasted with the Cabinet Mission Plan's failure to maintain Indian unity.
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