The actual working of Indian federalism often exhibits centralizing tendencies, despite the constitutional framework that establishes a federal system. While the Constitution outlines a division of powers between the Union and states, various factors have historically led to a stronger Centre. K.C. Wheare famously described India as 'quasi-federal' or 'federal in form but unitary in spirit.'

Reasons for Centralizing Tendencies:

1. Constitutional Provisions: The Constitution itself contains several provisions that grant the Centre significant powers:

   • Strong Union List: The Union List has more subjects, including crucial ones like defense, foreign affairs, railways, and banking, giving the Centre legislative dominance.
   • Residuary Powers: All residuary powers are vested with the Union Parliament.
   • Emergency Provisions (Articles 352, 356, 360): During emergencies, the Centre can assume vast powers, effectively converting the federal structure into a unitary one. Article 356 (President's Rule) has been frequently misused to dismiss state governments, though its application has been curtailed by judicial pronouncements like the S.R. Bommai case.
   • Appointment of Governors: Governors are appointed by the President (on the advice of the Centre) and act as the Centre's representative in the states, often leading to conflicts with state governments.
   • All India Services: IAS, IPS, and IFS officers are recruited by the Centre but serve in states, maintaining a central control over state administration.
   • Parliament's Power to Alter State Boundaries: Article 3 allows Parliament to form new states, alter areas, boundaries, or names of existing states without the consent of the state legislatures.

2. Financial Dependence of States: States are heavily dependent on central grants and centrally sponsored schemes for their financial resources. This financial imbalance gives the Centre significant leverage over state policies and priorities. The Goods and Services Tax (GST) regime, while a federal body, has also centralized a significant portion of indirect tax policy.

3. One-Party Dominance (Historical): For several decades after independence, the Indian National Congress dominated both the Centre and most states. This political homogeneity naturally led to a more centralized decision-making process, with state units often deferring to the central leadership.

4. Central Planning (Erstwhile Planning Commission): The Planning Commission, until its replacement by NITI Aayog, played a dominant role in allocating resources and formulating development plans for states, often dictating their priorities and undermining their autonomy.

5. Inter-State Disputes and Central Intervention: The Centre often intervenes in inter-state disputes (e.g., river water disputes, border disputes), further asserting its role as an arbiter.

Conclusion: While the Indian Constitution establishes a federal system, its actual working has indeed shown a strong inclination towards centralizing tendencies. This is due to a combination of constitutional design, financial realities, political dynamics (especially historical one-party dominance), and the Centre's role in national integration and security. However, the rise of regional parties, coalition politics, and judicial activism in recent decades has also led to a strengthening of federal elements, creating a more dynamic and often contentious balance between central and state powers.