- The preamble makes clear that the source of the constitution is the people of India.
- The preamble helps where the language of the constitution is vague.
- The words 'Socialist', 'secular' and the 'Unity and integrity' of the nation were added by the 42nd Amendment Act of 1976.
- The Supreme Court expressed the view that 'the Preamble is the key to its makers'.
- Justice Madholkar said in Sajjan Sirigh vs. Rajasthan State case that the preamble is the sum and sub stance of the Constitution.
- In the Golaknath vs. Punjab State case, Justice Hidaytullah remarked that the preamble is the synopsis of those principles on which the government has to work upon.
- The objective of the constitution is to secure Justice, Liberty, Equality and Fraternity for every Citizen.