BPSC · Polity

Constitution-Making, Constituent Assembly and the Preamble

35 min read · Updated 5 Oct 2026

Constitution-Making, Constituent Assembly and the Preamble

BPSC Prelims demand

This is a foundation topic. BPSC-style questions commonly test the sequence of constitutional milestones, the Constituent Assembly's key office-holders, adoption versus commencement of the Constitution, the exact Preamble words, and the 42nd Amendment changes. Learn facts in pairs: 9 December 1946—first Assembly meeting; 29 August 1947—Drafting Committee; 26 November 1949—adoption; 26 January 1950—commencement.

NCERT is used here for the conceptual purpose of a Constitution; the Constitution's text and Parliament's Constituent Assembly records are used for exact constitutional wording and dates. Do not confuse a historical fact with a current constitutional position.

1. Why does a country need a Constitution?

NCERT explains a Constitution as the supreme framework of basic rules by which citizens and government are governed. It does not merely describe institutions. It limits public power, distributes authority among institutions, protects people through rights, and gives a shared direction to a diverse society.

2. Background: essential constitutional milestones before 1946

3. Constituent Assembly: composition and working

PointCorrect understandingTrap
SourceThe Constituent Assembly was formed under the Cabinet Mission Plan of 1946.It was not elected by universal adult franchise.
Election methodRepresentatives of British Indian provinces were indirectly elected by provincial legislative assemblies; princely-state representation followed a different arrangement.Do not call it a directly elected adult-franchise Assembly.
First meeting9 December 1946, Constitution Hall, New Delhi.26 January 1950 is commencement, not the first sitting.
Temporary ChairmanDr Sachchidananda Sinha.He was not the permanent President.
Permanent PresidentDr Rajendra Prasad.Dr B.R. Ambedkar chaired the Drafting Committee, not the Constituent Assembly as a whole.
Drafting CommitteeSet up on 29 August 1947; chaired by Dr B.R. Ambedkar.Do not shift this date to 1946 or 1949.

4. Constitution-making timeline: learn the sequence, not isolated dates

5. Objectives Resolution: why it matters

Jawaharlal Nehru moved the Objectives Resolution on 13 December 1946. The Assembly adopted it on 22 January 1947. Its ideas—popular sovereignty, justice, equality, freedom and safeguards for minorities—shaped the philosophy later expressed in the Preamble. In an objective question, connect the Resolution with Jawaharlal Nehru, not with the Drafting Committee's chairperson.

6. The Preamble: India's constitutional identity card

The Preamble begins with “We, the People of India”. It declares that the Constitution derives authority from the people, not from a monarch, Parliament, a court or a foreign power. It describes India as a Sovereign, Socialist, Secular, Democratic, Republic and sets out the goals of Justice, Liberty, Equality and Fraternity.

7. 42nd Amendment and the Preamble

Before the 42nd AmendmentChange through the 42nd Amendment Act, 1976Remember
“Sovereign Democratic Republic”“Sovereign Socialist Secular Democratic Republic”Socialist and Secular were inserted.
“unity of the Nation”“unity and integrity of the Nation”Integrity was inserted.

8. Bihar connection

Dr Rajendra Prasad, who later became independent India's first President, was the permanent President of the Constituent Assembly. Dr Sachchidananda Sinha, associated with Bihar, served as its temporary Chairman at the first sitting. These two names are high-value Bihar-linked constitutional facts. Do not confuse them with Dr B.R. Ambedkar, who chaired the Drafting Committee.

20 BPSC Prelims-style MCQs