Which one of the following types of liberty is not specifically mentioned in the Preamble to the Constitution of India?

Introduction / Context:
The Preamble to the Constitution of India proclaims that the Constitution secures certain types of liberty to all citizens. These include liberty of thought, expression, belief, faith, and worship. However, not every conceivable type of liberty is explicitly named in the Preamble. Recognising exactly which liberties are mentioned is a common exam question that helps check how closely you have read the constitutional text.

Given Data / Assumptions:

• The question asks about liberty specifically mentioned in the Preamble.
• We assume the standard English text of the Preamble currently in force.
• The options include forms of liberty such as thought, expression, belief, and economic liberty.

Concept / Approach:
The Preamble clearly states that the Constitution secures liberty of thought, expression, belief, faith, and worship. It does not specifically use the phrase economic liberty, even though economic justice appears earlier as an objective. Economic liberty may be implied in the overall goals of justice and opportunity, but it is not directly mentioned in the liberty phrase itself. Therefore, by matching the exact words used in the Preamble, we can find which option is not explicitly mentioned as a type of liberty there.

Step-by-Step Solution:
Step 1: Recall the liberty portion of the Preamble, which reads liberty of thought, expression, belief, faith and worship.Step 2: List out the explicit liberties named thought, expression, belief, faith, and worship.Step 3: Compare each option with this list to see which ones match exactly.Step 4: Notice that liberty of thought, liberty of expression, and liberty of belief are clearly present, and liberty of faith and worship is also present in combined form.Step 5: Observe that economic liberty does not appear as a phrase in the Preamble, making it the correct answer.

Verification / Alternative check:
To verify, you can read the Preamble carefully from any reliable source. You will see that it mentions justice social, economic and political and then separately mentions liberty of thought, expression, belief, faith and worship. Economic appears only as an aspect of justice and not as a separate liberty word. This direct reading of the constitutional text is the safest way to confirm which liberties are and are not explicitly named.

Why Other Options Are Wrong:
Liberty of thought is explicitly included in the Preamble. Liberty of expression is also mentioned. Liberty of belief is part of the phrase liberty of thought, expression, belief, faith and worship. Liberty of faith and worship is explicitly present within the same phrase. Because all of these appear in the Preamble in some form, they cannot be the correct answer to a question asking which liberty is not mentioned.

Common Pitfalls:
Some learners confuse the mention of economic justice with economic liberty and think that economic liberty must also be present. Others may not recall the exact wording of the Preamble and may assume that only one or two liberties are listed. A good practice is to learn the liberty phrase as a complete set of five linked words thought, expression, belief, faith, and worship so that you can easily identify any outsider such as economic liberty.

Final Answer:
Economic liberty