13 Jan GSDP and Fiscal Transfers: Revisiting Centre–State Revenue Sharing after GST
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GS-3- Indian Economy- GSDP and Fiscal Transfers: Revisiting Centre–State Revenue Sharing after GST
FOR PRELIMS
What is Gross State Domestic Product (GSDP)?
FOR MAINS
What is meant by Central–State fiscal transfers?
Why in the News?
India’s system of fiscal federalism is under renewed scrutiny amid debates on the fairness and efficiency of Central–State fiscal transfers in the post-GST era. Between 2020-21 and 2024-25, the Centre transferred about ₹75.12 lakh crore to States through tax devolution, grants-in-aid, and Centrally Sponsored Schemes (CSS). The method used to distribute such a large quantum of resources has significant implications for State fiscal autonomy, inter-State equity, and cooperative federalism. Recent analysis suggests that actual transfers are far more closely aligned with Gross State Domestic Product (GSDP) than with conventional measures of tax contribution, raising questions about whether GSDP should play a larger role in determining transfers.

Why Tax Collection No Longer Reflects State-Level Economic Contribution
Several structural features of the post-reform tax system distort the link between tax collection and value creation:
1. Destination-based GST: Taxes are credited to the State where consumption occurs, not where production takes place, breaking the traditional production-tax linkage.
2. Corporate tax attribution: Corporate taxes are recorded at the location of registered offices rather than at production sites.
3. Multi-State production networks: Inter-State supply chains, labour migration, and intra-corporate transfers blur State-wise attribution.
4. Sectoral distortions: Manufacturing and plantation activities often generate value in one State while profits and taxes are booked elsewhere.
Why GSDP Emerges as a Stronger Proxy
GSDP offers a more consistent and transparent measure of a State’s economic contribution:
1. Captures real economic activity: It reflects production, income generation, and sectoral output within State boundaries.
2. Comparable across States: Assumes broadly similar tax compliance and administrative efficiency.
3. Empirical support: Recent data show a strong correlation between GSDP and GST collections, and an even stronger correlation between GSDP and total Central transfers.
4. Neutral benchmark: Avoids technical disputes arising from GST accounting rules or corporate tax location biases.
Alignment Between Transfers and GSDP
An examination of transfers during 2020–25 reveals that aggregate transfers broadly track economic output rather than tax collection:
High-output States such as Maharashtra contribute a disproportionately large share of taxes but receive a smaller share of transfers, reflecting redistribution objectives.
Lower-income States like Bihar receive transfers well above their GSDP share, consistent with equity-based devolution.
Overall pattern: Despite redistributive intent, total transfers exhibit a strong statistical association with GSDP, suggesting that economic output implicitly influences allocation outcomes.
Equity–Efficiency Trade-Off in Fiscal Transfers
The Finance Commission framework consciously prioritises equity, using population and income distance to reduce regional disparities. However, this approach raises two concerns:
Efficiency dilution: States with higher economic output and tax effort may perceive the system as weakly rewarding contribution.
Transparency gap: The weak correlation between Finance Commission devolution and GSDP creates perceptions of arbitrariness.
In contrast, a stronger GSDP linkage improves efficiency and transparency, though it reduces the redistributive space available for poorer States.
Winners and Losers Under a GSDP-Based Approach
A hypothetical shift towards GSDP-weighted transfers would have differentiated impacts:
1. Likely gainers: Industrialised and service-oriented States such as Tamil Nadu and Karnataka, where production exceeds recorded tax contribution.
2. Likely losers: States currently benefiting from strong redistributive weights, including Uttar Pradesh and Bihar.
3. Special cases: Some high-tax States may still receive less due to tax concentration effects rather than true economic dominance.
This underscores the political sensitivity of any reform to transfer criteria.
Conclusion
The post-GST economy has exposed structural weaknesses in using tax collection as a proxy for State-level economic contribution. GSDP offers a more realistic, transparent, and economically grounded benchmark for fiscal transfers. However, abandoning redistribution would undermine the constitutional commitment to balanced regional development. The way forward lies in a calibrated framework—anchoring devolution more firmly to GSDP while retaining targeted grants and equalisation transfers for equity. Such a hybrid approach can strengthen trust, enhance efficiency, and deepen cooperative federalism in India’s evolving fiscal landscape.
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Prelims question:
Q. With reference to Central–State fiscal transfers in India, consider the following statements:
1. Under the GST regime, taxes are credited to the State where production takes place.
2. Gross State Domestic Product (GSDP) reflects the value of economic activity within a State’s territorial boundary.
3. Corporate tax collections are attributed to the location of registered offices rather than production sites.
4. Finance Commission transfers show a stronger correlation with GSDP than with population.
Which of the statements given above are correct?
(a) 2 and 3 only
(b) 1, 2 and 4 only
(c) 2, 3 and 4 only
(d) 1 and 3 only
Answer: A
Q. In the post-GST era, tax collection has become a weak indicator of State-level economic contribution. Critically examine the case for using Gross State Domestic Product (GSDP) as a basis for Central–State fiscal transfers, highlighting the equity–efficiency trade-off involved.
(250 words)
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