What the Preamble says, what each word means, how the 42nd Amendment changed it, and the court cases that shaped how it's read today.
The Preamble is the introductory statement to the Constitution of India. It sets out, in one sentence, the source of the Constitution's authority, the kind of state India is meant to be, the values it promises its citizens, and the date it was adopted. It describes India as a Sovereign, Socialist, Secular, Democratic Republic, and lists Justice, Liberty, Equality and Fraternity as the objectives every citizen is meant to be secured.
It begins by declaring that the Constitution derives its authority from "We, the People of India" β meaning the Constitution's legitimacy comes from the citizens themselves, not from a monarch, colonial power, or any external authority.
India is internally and externally free β it can make its own laws, conduct its own foreign policy, and is not subordinate to any outside power. It remains a member of international bodies like the United Nations and Commonwealth voluntarily, not out of obligation.
Added by the 42nd Constitutional Amendment, 1976. It reflects India's commitment to reducing inequality and ensuring the state works toward the welfare of citizens, but the Indian model has always been a mixed economy β a blend of private enterprise and state planning β rather than state ownership of all production.
Also added by the 42nd Amendment, 1976. It means the state has no official religion, treats all religions equally, and citizens are free to practise, propagate, or not follow any religion. Indian secularism is distinct from a strict wall-of-separation model β the state can and does engage with religious institutions where needed for reform or welfare.
Government derives its power from the will of the people, expressed through free and periodic elections. This covers not just the political system but also social and economic democracy β the idea that dignity and opportunity shouldn't depend on birth or status.
The head of state (the President) is elected, directly or indirectly, for a fixed term β unlike a monarchy where headship is hereditary. This distinguishes India from a country like the United Kingdom, which is a democracy but not a republic.
This has been a long-debated question. In the Berubari Union case (1960), the Supreme Court held that the Preamble is not part of the Constitution and cannot be used to override clear provisions elsewhere. Later, in the landmark Kesavananda Bharati case (1973), the Supreme Court reversed this position and held that the Preamble is indeed part of the Constitution, and it can be used to interpret ambiguous provisions β but it is not enforceable in a court of law by itself, and it cannot be used to amend fundamental rights beyond what the "basic structure" of the Constitution permits.
Yes β the Supreme Court in Kesavananda Bharati confirmed Parliament can amend the Preamble under Article 368, as it did in 1976 through the 42nd Amendment, so long as the amendment does not damage the "basic structure" of the Constitution. So far, the Preamble has been amended only once β in 1976.
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