Which word in the Preamble means that India has complete political freedom, is not dependent on any outside authority, and is the supreme authority in its internal and external affairs?

The word "Sovereign" in the Preamble means that India is a completely independent state, not subject to the control of any other country or outside authority, and that it is free to conduct its internal and external affairs.

Meaning of sovereignty:

• Internal sovereignty: The Indian State has supreme authority over all persons and things within its territory.
• External sovereignty: India is free to decide its own foreign policy, to make treaties, to declare war or make peace, and to join or leave international organisations.
• India's membership of the Commonwealth or the United Nations does not limit its sovereignty, because India joined them voluntarily and can leave them.
• India can also acquire foreign territory or give up a part of its territory in favour of another state, according to the procedure laid down in the Constitution.

Other words in the Preamble:

• Socialist: The State aims to end poverty and inequality, and follows a mixed economy; India follows "democratic socialism" rather than communist socialism.
• Secular: The State has no official religion, and treats all religions equally.
• Democratic: The government is chosen by the people through periodic elections.
• The words "Socialist" and "Secular" were added to the Preamble by the 42nd Amendment Act (1976).

The objectives of the Preamble:

• Justice: social, economic and political.
• Liberty: of thought, expression, belief, faith and worship.
• Equality: of status and of opportunity.
• Fraternity: assuring the dignity of the individual and the unity and integrity of the nation.

Importance of the Preamble:

• It reflects the basic philosophy and fundamental values of the Constitution.
• It helps the courts to interpret the Constitution when the meaning of a provision is unclear.
• The Supreme Court has held that the Preamble is a part of the Constitution, and that it can be amended, but its basic features cannot be destroyed.

Why not the other options?

• ✗"Secular", "Socialist" and "Democratic" have other meanings; "Sovereign" refers to complete independence and supreme authority.