Building the republic
Constitutional institutions and selected milestones in public life.
An introductory chronology from early urban societies to the republic, supported by NCERT, official archives and institutional histories. Ancient dates are approximate, and different regional histories overlap rather than forming a single uniform sequence.
Explore this topic in the interactive atlas →Integration of princely states
Accession and integration brought princely states into the Indian Union through a process involving negotiation and varied regional circumstances.
NCERT · Challenges of Nation Building ↗- Integration was a process across several years, rather than a single event on Independence Day.
From 1947
Constituent Assembly meets
The Assembly began the process of framing the Constitution.
NCERT · Framing the Constitution ↗9 Dec 1946
Constitution adopted
The Constituent Assembly adopted the Constitution after debate and drafting.
NCERT · Framing the Constitution ↗26 Nov 1949
Republic of India
The Constitution’s general commencement established the republican framework.
NCERT · Framing the Constitution ↗26 Jan 1950
Supreme Court inaugurated
The Supreme Court began its institutional history under the new Constitution.
Supreme Court · history ↗28 Jan 1950
First general elections
India conducted its first parliamentary general elections under the Constitution.
Election Commission · electoral history ↗1951–1952
States reorganisation
The States Reorganisation Act reshaped many state boundaries and administrative arrangements.
India Code · legislation ↗1956
Economic liberalisation
The balance-of-payments crisis prompted wide-ranging economic reforms, including liberalisation and changes to financial and external-sector policy.
Reserve Bank of India · history and the 1991 reforms ↗- The 1991 reforms marked a major policy shift; subsequent measures developed over the following years.
1991 onwards
Local-government amendments
The 73rd and 74th Amendments created constitutional provisions for Panchayats and Municipalities.
Legislative Department · Constitution ↗1992–1993
Chandrayaan-3 lunar landing
ISRO’s mission achieved a soft landing on the Moon.
ISRO · Chandrayaan-3 ↗23 Aug 2023
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