This question tests your knowledge of the Indian Constitution's terminology. The word "Federal" is a key descriptor for India's system of government, but it's important to know where it is explicitly mentioned in the constitutional text.

The correct answer is: Nowhere.

Here is a detailed explanation:

The Constitution of India establishes a federal system of government. This means power is divided between a central authority (the Union Government) and various constituent units (the State Governments). Features like two levels of government, division of powers (via the Union List, State List, and Concurrent List), an independent judiciary, and a written, rigid constitution all point to its federal nature.

However, the Constitution itself does not use the word "Federal" in any of its articles, schedules, or parts. It describes India as a "Union of States" (Article 1). The framers of the Constitution, led by Dr. B.R. Ambedkar, deliberately chose the term "Union" to indicate that the federation was not a result of an agreement between states and that no state has the right to secede from it, making the Indian Union indestructible.

Let's examine why the other options are incorrect:

• The Preamble: The Preamble declares India to be a "Sovereign Socialist Secular Democratic Republic". It does not contain the word "Federal".
• Part III: This part deals with Fundamental Rights. It is a crucial component of the constitution but does not define the federal structure.
• Article 368: This article details the power of Parliament to amend the Constitution and the procedure for doing so. It is not about defining the nature of the state.

Related Topics & Theory

Federalism in India: Indian federalism is often described as quasi-federal or cooperative federalism. It has strong centralizing tendencies (e.g., single citizenship, a single integrated judiciary, appointment of governors by the centre, and emergency provisions) alongside typical federal features. This unique blend of unitary and federal principles is a defining characteristic of the Indian political system.

Key Formulae & Concepts

While there are no mathematical formulae for this concept, the key constitutional provision to remember is:

Article 1: "India, that is Bharat, shall be a Union of States."