Which one of the following determines that the Indian Constitution is Federal?

1. Conceptualizing Federalism: Federal vs. Unitary Systems (basic)

At its heart, the classification of a government as federal or unitary depends on one fundamental question: How is power shared between the national government and the regional governments? In a unitary system, all powers are concentrated in the hands of the national government. If regional governments exist at all, they are merely administrative arms that derive their authority entirely from the center—meaning the center can take those powers back at any time. Think of it as a "top-down" hierarchy where the sub-units are subordinate to the central authority Laxmikanth, M. Indian Polity, Chapter 14, p.137.

In contrast, a federal system involves a constitutional division of powers. Here, both the national (Federal/Union) government and the regional (State/Provincial) governments are granted authority directly by the Constitution. Because their power comes from the same source—the Constitution—neither level is subordinate to the other in its specific domain. Both are separately answerable to the people Democratic Politics-II. Political Science-Class X . NCERT, Chapter 2, p.15. While the USA is often cited as the "traditional" model of federalism, India has developed its own unique version.

Feature	Unitary System	Federal System
Source of Power	National government gives power to sub-units.	Constitution divides power between levels.
Relationship	Sub-units are subordinate to the Center.	Both levels are independent in their spheres.
Examples	Britain, France, Japan.	USA, Canada, Australia.

Because the Indian Constitution incorporates a strong central government alongside its federal structure, scholars have described it using various nuanced terms. For instance, K.C. Wheare famously called it 'quasi-federal', while Granville Austin preferred the term 'co-operative federalism' Laxmikanth, M. Indian Polity, Chapter 4, p.29. These labels reflect the fact that while India has the "bones" of a federation, it has a distinct unitary bias designed to maintain national integrity.

Sources: Indian Polity, M. Laxmikanth, Chapter 14: Federal System, p.137; Democratic Politics-II. Political Science-Class X . NCERT, Chapter 2: Federalism, p.15; Indian Polity, M. Laxmikanth, Chapter 4: Salient Features of the Constitution, p.29

2. Salient Federal Features of the Indian Constitution (basic)

To understand Indian federalism, we must first look at its Federal Features. At its core, federalism is a system where power is not concentrated in one place but is shared between a central authority and various regional units. Think of it as a partnership where both the Union and the States derive their authority directly from the Constitution, rather than the States being mere subordinates of the Centre Indian Polity, M. Laxmikanth, Federal System, p.138. The most defining feature of this arrangement is the Division of Powers. Our Constitution explicitly distributes legislative subjects into three lists within the Seventh Schedule: the Union List, the State List, and the Concurrent List. This ensures that for matters like local agriculture or policing, the State has its own domain, while the Union handles national concerns like defense or foreign affairs. For this division to be respected, the Supremacy of the Constitution is essential. It acts as the 'rulebook' that both levels of government must follow. As noted by the Supreme Court, this legal supremacy is vital to maintaining the balance between the coordinate branches of government Introduction to the Constitution of India, D. D. Basu, Nature of the Federal System, p.59. Furthermore, a federal system requires a Rigid Constitution and an Independent Judiciary. Rigidity means that the 'rules of the game' (federal provisions) cannot be changed by the Centre alone; the States must have a say in amendments. The makers of our Constitution struck a unique balance here, making it both flexible enough to evolve and rigid enough to protect the federal structure Indian Constitution at Work, NCERT Class XI, Constitution as a Living Document, p.200. Finally, if a dispute arises between the Centre and a State, we have an independent judiciary to act as an impartial umpire, ensuring that neither side oversteps its constitutional boundaries.

Here is a quick look at how these features distinguish a Federal system:

Feature	Indian Federal Application
Dual Polity	Existence of both Union government at the Centre and State governments at the periphery.
Written Constitution	A detailed document (the world's lengthiest) that defines the powers of all organs.
Bicameralism	A two-house legislature where the Rajya Sabha represents the interests of the States.

Sources: Indian Polity, M. Laxmikanth(7th ed.), Federal System, p.138; Introduction to the Constitution of India, D. D. Basu (26th ed.), Nature of the Federal System, p.59; Indian Constitution at Work, Political Science Class XI (NCERT 2025 ed.), Constitution as a Living Document, p.200

3. The Core of Federalism: Division of Powers (intermediate)

At its heart, federalism is a method of dividing powers so that the general (central) and regional (state) governments are each, within a sphere, coordinate and independent. In the Indian context, this is not a matter of administrative convenience but a constitutional mandate. The Constitution of India establishes a dual polity where both the Union and the States derive their authority directly from the Constitution, rather than the States being mere subordinates of the Centre M. Laxmikanth, Indian Polity (7th ed.), Chapter 4, p. 29.

This division is operationalized through the Seventh Schedule, which provides a three-fold distribution of legislative subjects. This ensures that there is no ambiguity regarding which level of government has the authority to make laws on specific issues. While the Union deals with matters of national importance, the States handle matters of local concern, ensuring a balance between national unity and regional autonomy M. Laxmikanth, Indian Polity (7th ed.), Chapter 14, p. 145.

List	Scope of Authority	Key Subjects
List I (Union List)	Exclusive power of Parliament (98 subjects)	Defence, Banking, Foreign Affairs, Atomic Energy, Census
List II (State List)	Exclusive power of State Legislatures (59 subjects)	Public Order, Police, Public Health, Agriculture
List III (Concurrent List)	Shared power (52 subjects)	Education, Forest, Trade Unions, Marriage & Divorce

An important nuance in the Indian federal structure is the treatment of Residuary Powers—those subjects not mentioned in any of the three lists. Unlike the American model where these powers vest with the states, in India, the power to legislate on residuary matters is vested in the Parliament D. D. Basu, Introduction to the Constitution of India (26th ed.), p. 376. Furthermore, in the event of a conflict between a Central law and a State law on a Concurrent List subject, the Central law generally prevails, highlighting the "Union bias" integrated into our federal framework.

Sources: Indian Polity, Salient Features of the Constitution, p.29; Indian Polity, Centre-State Relations, p.145; Introduction to the Constitution of India, Distribution of Legislative and Executive Powers, p.376

4. The Unitary Bias: Non-Federal Features (intermediate)

While the Indian Constitution establishes a dual polity, it is famously described as a "federal system with a unitary bias." This means that while the framework is federal, the scales are tipped in favor of the Central government to ensure national integrity and administrative uniformity. This "holding together" model of federalism allows the Indian state to act with the strength of a unitary government when necessary, a unique arrangement that D.D. Basu calls a "remarkable achievement" Introduction to the Constitution of India, OUTSTANDING FEATURES OF OUR CONSTITUTION, p.49.

One of the most striking non-federal features is the Single Integrated Judiciary. In a typical federation like the USA, there are separate sets of courts for federal and state laws. However, India maintains a pyramidal structure with the Supreme Court at the apex, followed by High Courts and subordinate courts Indian Constitution at Work (NCERT Class XI), JUDICIARY, p.130. This hierarchy ensures that a single body of law is applied throughout the country. Similarly, India provides for Single Citizenship. Unlike the US or Australia, where a person owes allegiance to both the national government and their specific state, an Indian carries only one identity: Indian citizenship Indian Polity (M. Laxmikanth), Citizenship, p.61. This prevents the growth of narrow regionalism and reinforces national unity.

Furthermore, the Constitution exhibits a "chameleon-like" quality through its Emergency Provisions. During a national emergency, the federal structure can be virtually suspended, allowing the Union to take over the powers of the States without a formal constitutional amendment Introduction to the Constitution of India, OUTSTANDING FEATURES OF OUR CONSTITUTION, p.49. Other unitary features include the appointment of the Governor by the President, the existence of All-India Services (IAS, IPS), and the Single Constitution (as most states cannot have their own). These features collectively ensure that the Center remains the "anchor" of the Indian ship of state.

Feature	Pure Federal Model (e.g., USA)	Indian Model (Unitary Bias)
Citizenship	Dual (National & State)	Single (National only)
Judiciary	Dual (Separate State/Federal Courts)	Integrated (Pyramidal structure)
Flexibility	Rigid (Hard to change state boundaries)	Flexible (Center can alter state maps)

Sources: Introduction to the Constitution of India, OUTSTANDING FEATURES OF OUR CONSTITUTION, p.49; Indian Polity (M. Laxmikanth), Citizenship, p.61; Indian Constitution at Work (NCERT Class XI), JUDICIARY, p.130

5. Emergency Provisions and Federal Balance (intermediate)

In a standard federal system, the division of powers between the Centre and the States is usually rigid. However, the Indian Constitution introduces a unique flexibility: it is designed to work as a federal system during normal times but can transform into a unitary system during an emergency. This structural flexibility is one of the most distinctive features of the Indian polity, allowing the Central government to become all-powerful to safeguard the nation's integrity without the need for a formal constitutional amendment Laxmikanth, Federal System, p.140.

The Constitution identifies three distinct types of emergencies that alter the federal balance:

• National Emergency (Article 352): Declared due to war, external aggression, or armed rebellion. Here, the Parliament gains the power to make laws on any subject mentioned in the State List Laxmikanth, Emergency Provisions, p.175.
• President’s Rule (Article 356 & 365): Imposed when a state's constitutional machinery fails or when a state fails to comply with Central directions. This effectively suspends the state's autonomy in favor of Central control Laxmikanth, Salient Features of the Constitution, p.33.
• Financial Emergency (Article 360): Declared when the financial stability or credit of India is threatened, allowing the Centre to direct states to observe specific canons of financial propriety.

A critical aspect of these provisions is how they impact fundamental rights and the duration of central intervention. For instance, the 44th Amendment Act (1978) introduced safeguards to prevent the misuse of Article 356, limiting the duration of such a proclamation to one year unless specific conditions—like a National Emergency or the inability to hold elections—are met D. D. Basu, Introduction to the Constitution of India, p.420. Furthermore, the suspension of Fundamental Rights varies depending on whether the emergency is declared under Article 358 or 359, as shown in the comparison below:

Feature	Article 358	Article 359
Scope	Confined only to Fundamental Rights under Article 19.	Covers all Fundamental Rights specified in the Presidential Order.
Activation	Automatically suspends Article 19 rights upon declaration.	Does not automatically suspend rights; empowers the President to suspend their enforcement.

Sources: Laxmikanth, M. Indian Polity, Federal System, p.140; Laxmikanth, M. Indian Polity, Emergency Provisions, p.175, 177; Laxmikanth, M. Indian Polity, Salient Features of the Constitution, p.33; Introduction to the Constitution of India, D. D. Basu, EMERGENCY PROVISIONS, p.420

6. Judicial Oversight in a Federal Setup (exam-level)

In any federal system, the division of powers is not just a static arrangement; it is a live boundary that requires constant guarding. Because the Constitution distributes legislative and executive powers between the Union and the States, disputes regarding who has the authority to do what are inevitable. To prevent these friction points from breaking the federation, an independent and impartial judiciary acts as the final arbiter and the "referee" of the federal setup.

The primary tool for this oversight is the Exclusive Original Jurisdiction of the Supreme Court under Article 131. Unlike other cases that travel through lower courts, federal disputes involving the Government of India and the States, or disputes between two or more States, go straight to the Supreme Court D. D. Basu, Introduction to the Constitution of India, THE SUPREME COURT, p.346. This ensures that a single, authoritative body—unbiased toward any specific region—interprets the "contract" of the Constitution. This role is strictly "federal" in character, focusing on the legal rights and powers of the various units of government M. Laxmikanth, Indian Polity, Judicial Review, p.298.

Type of Jurisdiction	Role in Federalism
Original (Art. 131)	Directly resolves disputes between the Union and States or between States.
Judicial Review	Strikes down laws (under Art. 246) that encroach upon the designated lists of the other level of government.
Appellate (Art. 132)	Ensures uniform interpretation of the Constitution across the entire territory D. D. Basu, Introduction to the Constitution of India, THE SUPREME COURT, p.348.

However, we must recognize a vital nuance: while the judiciary is the master of legal disputes, it has limitations when facing political disputes. Issues like demands for greater state autonomy or complex revenue-sharing often carry heavy political baggage that the courts are hesitant to resolve through legal decrees alone. These are often better settled through negotiation and mutual understanding in forums like the Inter-State Council NCERT, Indian Constitution at Work, FEDERALISM, p.163. The judiciary provides the legal framework, but the health of federalism also depends on political statesmanship.

Sources: Introduction to the Constitution of India, D. D. Basu (26th ed.), THE SUPREME COURT, p.346; Introduction to the Constitution of India, D. D. Basu (26th ed.), THE SUPREME COURT, p.348; Indian Polity, M. Laxmikanth (7th ed.), Judicial Review, p.298; Indian Constitution at Work, Political Science Class XI (NCERT 2025 ed.), FEDERALISM, p.163

7. Residuary Powers and Constitutional Flexibility (exam-level)

In any federal system, the division of powers is usually detailed through exhaustive lists. However, since the framers of a Constitution cannot predict every technological or social advancement that might occur in the future (think of Cyber Law or Space Exploration), they include a "catch-all" category known as Residuary Powers. These are legislative powers over any matter that is not specifically enumerated in the Union, State, or Concurrent Lists of the Seventh Schedule. Under Article 248 of the Indian Constitution, the power to make laws with respect to these residuary subjects—including the power to levy residuary taxes—is vested exclusively in the Parliament Indian Polity, M. Laxmikanth, Chapter 14: Centre-State Relations, p.146.

This arrangement is a significant departure from the Government of India Act of 1935. In that Act, residuary powers were not given to the federal or provincial legislatures, but were placed in the hands of the Governor-General to be exercised at his discretion Introduction to the Constitution of India, D. D. Basu, Distribution of Legislative and Executive Powers, p.378. By vesting these powers in the Parliament, the Indian Constitution demonstrates a clear unitary bias, prioritizing the strength and flexibility of the Central government to handle unforeseen national issues. If a dispute arises regarding whether a subject is indeed "residuary" or belongs to a specific list, the Judiciary acts as the final arbiter to determine the matter Introduction to the Constitution of India, D. D. Basu, Distribution of Legislative and Executive Powers, p.378.

To understand India's position better, it is helpful to look at how other major democracies handle this feature. While India follows the Canadian model of vesting residuary powers in the Centre, other federations take a different path to protect regional autonomy:

System/Country	Vesting of Residuary Powers	Impact on Federal Balance
USA & Australia	Vested in the States	Stronger Federalism; limited Centre
Canada	Vested in the Centre	Centralized Federalism
India	Vested in the Parliament (Union)	Federal system with Unitary Bias
GOI Act 1935	Governor-General	Colonial Authority (neither Federal nor State)

Sources: Indian Polity, M. Laxmikanth, Chapter 14: Centre-State Relations, p.146; Introduction to the Constitution of India, D. D. Basu, Distribution of Legislative and Executive Powers, p.378

8. Solving the Original PYQ (exam-level)

Now that you have mastered the fundamental characteristics of a polity, you can see how the building blocks of federalism apply to this specific challenge. The essence of a Federal Constitution lies in the existence of a dual government system where authority is not concentrated in a single center but is shared. As discussed in Indian Polity, M. Laxmikanth, while many features contribute to a federal structure, the core determinant is the functional and legal independence of the constituent units (the States) from the central authority.

To arrive at the correct answer, (D) Distribution of powers between the Centre and the States, you must look for the structural element that establishes this dual polity. This distribution—explicitly mapped out in the Seventh Schedule via the Union, State, and Concurrent lists—ensures that the States derive their power directly from the Constitution rather than from the whims of the Central government. While an independent judiciary and a written constitution provide the necessary framework for a federal state to survive, the actual 'determination' of its federal nature is rooted in this clear division of legislative and executive jurisdiction.

UPSC often includes 'traps' by listing features that are true of the Indian Constitution but do not answer the specific question. Options (A) and (B) are supporting characteristics of federalism, but they are not exclusive to it; for example, a unitary state can also have a written constitution. Most importantly, Option (C), Vesting of residuary powers with the Centre, is actually a unitary or centralizing feature that deviates from the ideal federal model. According to Geography of India, Majid Husain, this specific arrangement highlights India's unique 'federal system with a unitary bias.' In the exam, always distinguish between the essential definition of federalism and the supplementary safeguards that surround it.