Abstract

On July 1, 2017, India began the implementation of the Goods and Services Tax (GST), constituting a paradigm shift in the country’s indirect taxation system aimed at creating a single national market by consolidating several central and state taxes. This paper analyzes the constitutional provisions as well as the legal base for these tax reforms in the GST era, stressing the significance of fiscal federalism, economic efficiency, and administrative effectiveness. The framework is based on the 101st Constitutional Amendment Act, 2016, allowing the Centre and states to jointly levy GST whilst creating the GST Council to function as a collaborative body, to harmonise tax policies. 

The analysis highlights a few of the pertinent legislations such as the Central GST Act, Integrated GST Act, and State GST Acts which specify tax jurisdictions, input tax credits, and compliance mechanisms. It analyzes how these provisions resolve pre-GST inefficiencies such as cascading taxes and interstate barriers to foster seamless trade and revenue buoyancy. Yet the critical lens highlights several ongoing challenges: tax classification ambiguities, dual administrative control impose significant compliance demands for businesses, and tensions within Centre-state relations, particularly in revenue sharing and decision-making within the GST Council. The article investigates challenges of implementation such as technological glitches in the GST Network, its effect on small enterprises, and claims that, though GST has advanced transparency and digitalisation, it has also inadvertently widened inequalities and fiscal dependencies.

Key Words:  GST, Constitution, Acts, Legal, Council

1.Introduction: India's tax model has undergone a radical transformation since its establishment. India’s previous approach to the indirect state taxation system was one of great complexity and cost overruns of multiple indirect taxes, which were levied at both the state and central levels of government, and that has changed with a single set of laws, introduced by the state (hereafter known as Goods and Services Tax (GST)), in the name of India’s independence. Before GST, we were using an indirect tax structure, troubled by problems like tax cascading: the imposition of a tax on taxes, which would increase the cost of goods and the aggregate volume of goods. These fragmented systems posed challenges for trade between the states due to the inefficiency of the tax regime and for businesses' tax compliance.

 In India, the inauguration of GST, which was introduced on July 1, 2017, and which was a watershed movement in fiscal history, introduced the GST on July 1, 2017, a tax to reduce various taxes, including VAT, Central Excise Duty and Service Tax, as well as the value added charges at various locations in India. The new tax system meant to reduce the burden of tax was aimed to remove the need for complex tax administration procedures and to facilitate an inclusive and economically driven integration under one country with a harmonization of competition and development by creating a single national market and by promoting economics on the basis of one single nationalised market. Central to this change are certain constitutional mandates and a strong legal backdrop that made it possible to move beyond the VAT and its variants on GST to GST, which is in line with Indian cooperatively federalised concept. 

Article 246A, 269A, and 279A in the Constitution (101st Amendment) Act, 2016, enabled the Union and States to increase their GST levy at the same time, setting up the GST Council, the principal authority on issues regarding tax rates, exemptions and implementation. This legal framework, bolstered by Acts like the Central Goods and Services Tax (CGST) Act, 2017, and Integrated Goods and Services Tax (IGST) Act, 2017, has served to remove distortions in the taxation hierarchy, and to provide for transparent (and efficient) credit delivery along the supply chain. However, despite some success, a closer inspection shows there are still structural differences among the tax buoyancy, as well as financial compliance and tax disparities that could prevent the full impact of the changes from having been taken off to be realized.

2.Historical Background of Tax Reforms Leading to GST: Indirect tax reforms are rooted in India's post-independence era where early attempts aimed to rationalize taxation by looking at the global tax systems have contributed. From the 1980s, a concept for a value-added tax (VAT) system became popular, which was a precursor to GST. The Modified Value Added Tax (MODVAT) was introduced by the government of Prime Minister Rajiv Gandhi in 1986, who introduced Finance Minister V. P. Singh to provide credit for taxes made on inputs as opposed to output taxes, ultimately alleviating the widespread impact of excise duties. This was an early step towards modernising central indirect taxes. Later reform was based on that groundwork. In 1991 as India's economy made liberalization policies shift toward taxation, Raja Chelliah led the Tax Reforms Committee, which advocated the adoption of a VAT-based system in order to reach a larger base of tax and enhance the efficiency of the tax system.

 In 1999, while serving as Prime Minister Atal Bihari Vajpayee, a consensus about a single GST was discussed in a number of meetings with economic advisors and in 1999 the committee was established under Asim Dasgupta’s West Bengal Finance Ministry to develop a GST model. The committee concentrated on backend infrastructure and logistics for the common administration of taxation. The Vijay Kelkar Task Force on tax reforms also promoted GST in 2002, saying it could cut the barriers at the state level of trade. State-level VAT commenced in most states in 2005. It replaced the sales tax and was a transition to GST as input tax credits were introduced on a state-by-state basis. The proposed 2006 Union Budget, brought to Parliament by Finance Minister P. Chidambaram, set a bold goal to have GST implementation by April 2010, although political and federal talks were postponed. 

In 2011, the United Progressive Alliance (UPA) government proposed the Constitution (115th Amendment) Bill in support of GST; however, it lapsed with Lok Sabha dissolution in 2014. Under the National Democratic Alliance (NDA) government, Finance Minister Arun Jaitley brought back the Constitution (122nd Amendment) Bill in 2014. It was passed in 2015 by the Lok Sabha and after amendments by the Rajya Sabha in 2016. Ratified by more than half the states, it underwent Presidential assent on September 8, 2016, through the Constitution (101st Amendment) Act, 2016. This laid the foundation for GST's coming into force in 2017. This historical trajectory implies a gradual shift from fragmented taxes to a total system, motivated by economic efficiency and fiscal integration.

3.Constitutional Provisions of GST: The Constitution (101st Amendment) Act, 2016, is a landmark reform in fiscal federalism in India that allowed for the introduction of the Goods and Services Tax (GST) by amending vital provisions of the Indian Constitution. In this amendment, after the Constitution (122nd Amendment) Bill was passed in 2014 and subsequently ratified by the states, Parliament and the legislatures of the Indian states, at the time had concurrent powers to levy tax on the supply of goods and services, excluding alcoholic liquor for human consumption. 

Before this, taxing powers were limited to only the Union List (for central taxes such as excise duty) and State List (for state taxes such as sales tax) under India’s Constitution’s Seventh Schedule, leaving a fragmented system susceptible to cascading effects and inter-state obstruction. The new amendment responded to these problems by including new articles and modifying previous Articles to form a unified taxation system and to strengthen the integration of economy and the co-operation of federalism. Article 246A is one of the key inserted by 101st amendment with special provisions for GST act. It gives Parliament and state legislatures the power to make laws on intra-state supplies under GST and Parliament to make decisions on inter-state supplies only. 

This article replaces earlier distribution of the legislative powers provided for in Articles 246 and 254, allowing for a pre-emption of GST laws in case of clashes leading to a uniform national tax framework. Article 246A reduces jurisdictional overlap and promotes tax administration efficiency; thus also transforming a rigid division of powers among the federal and regional levels. Article 269A deals with the levy and collection of GST on inter-state trade or commerce, and provides that those taxes shall be levied by the central government and apportioned between the Union and the States as recommended by the GST Council in accordance with these laws. 

In a federal system, this provision guarantees fair sharing of revenue, avoids a confrontation over inter-state transactions, and facilitates smooth transfer of goods and services across borders. Moreover, it resonates with the overarching goal of establishing a unified national market by linking the taxation of imports and exports to the framework of Integrated GST (IGST). The article highlights the constitutional promise of fiscal equity by stipulating that compensation will be available to states if they incur a revenue loss during the implementation of GST, providing that this compensation will last up to five years and be subject to similar amendments. Article 279A constitutes the GST Council under the Constitution under which the Council shall be constituted by the President within 60 days from the inception of the amendment. With the Union Finance Minister serving as the chairperson and all the states having finance ministers, the Council shall make recommendations on taxation rates, exemptions, thresholds, dispute resolution, and is based on one of the principles of cooperative federalism. 

This feature allows for co-construction of GST decisions where the states can vote for a two-thirds majority while the centre may vote for a one-third of the vote for GST, thus promoting consensus-based policy-making. The role of the Council includes enforcing GST, resolving intergovernmental disputes, and adapting the tax framework to the new market realities. The amendment also proposed Article 366(12A), which defines GST as a tax on the supply of goods or services or both, excluding alcoholic liquor. It supplemented the Seventh Schedule by removing sales tax and excise duties, thus simplifying the distribution of powers of state and streamlining their respective duties of administration. 

The provision of compensating states for revenue shortfalls — the provision enshrined in the amendment — underscores the transitional support mechanism used to support the transition from the old system. Taken together, these constitutional reforms have constructed a solid platform for GST, weighing up central control with state independence while propelling an increasingly transparent and progressive India.

4.Legal Framework of GST: GST's legal architecture consists of several enactments harmonized through the constitutional amendments. Intrastate supplies at the central level are governed by the Central Goods and Services Tax (CGST) Act, 2017, and the State Goods and Services Tax (SGST) Acts, set out by each state, cover the collection by the states. For inter-state transactions, there is an Integrated Goods and Services Tax (IGST) Act, 2017, in force, with revenues being apportioned on a centre-state basis. Union Territory goods and services are governed by the Union Territory Goods and Services Tax (UTGST) Act, 2017. 

The GST Council also plays a critical role in setting the legal framework, by offering binding proposals for tax rates (currently 0%, 5%, 12%, 18%, and 28%), exemptions, and administrative details. The non-profit Goods and Services Tax Network (GSTN) offers registration, returns, and payment IT infrastructure, ensuring digital compliance. Under these acts, input tax credit mechanisms remove cascading and enable credits for taxes paid on inputs against the output liabilities. The constitutionality of GST provisions is upheld by judicial supervision backed by the Supreme Court's affirmation for the general principles of Article 19(1)(g) as having a need for "reasonable restrictions" for the public interest. It is designed around aspects of federal and unitary governance to allow transparency and efficiency in taxes for the tax administration sector.

5.Critical Analysis: The enactment of the Goods and Services Tax (GST) in India by virtue of the Constitution (101st Amendment) Act, 2016, revolutionized the Indian system of the country by collapsing tax into one with multi-faceted indirect taxes and removing their cascading effects through the convergence of many indirect taxes to form a single system of taxation. This change included provisions such as Article 246A, which allows Parliament and its state legislatures a concurrent jurisdiction for all intra-state supplies; it further secures that inter-state supplies are all but an exclusive province of the Parliament, an end to the hard structure of the pre-GST era divisions of powers seen in the Seventh Schedule. 

Then, in accordance with the GST Council's recommendation, Article 269A, there follows the division of income from the central to inter-state transactions between the center and each state for GST. Importantly, although they encourage cooperative federalism with the joint taxation authority, these provisions have been criticised to undermine state autonomy, as inter state authority of the center leads to its fiscal concentration and counteracts the original federal balance as set out in the Constitution. While this is an inventive change in how power is wielded, this leaves little room for equity in a diverse federation like India.

Article 279A provides for the GST Council to form a constitutive body comprising the Union Finance Minister as the chairperson, and state finance ministers, on proposing a tax rate, exemptions and dispute resolution to harmonize the GST regime. A mechanism by which the Council votes — in which the center has one-third of the vote and the states two-thirds of it — is supposed to resemble something like collaborative decision-making, but it’s quasi-federal in its meaning. Yet judicial interpretations, including in Union of India v. Mohit Minerals Pvt. Ltd. (2022), have made clear that its recommendations are not binding, which also protects legislative sovereignty and alleviates fear of central power overreach. 

This arrangement has been lauded for enabling consensus on complex issues such as rate rationalization but derided for appearing to benefit larger states or the center in practice, resulting in lag time in reform and uneven implementation, thus emphasizing the dissonance between the collaborative nature of the Commission and federal inequities. Such dynamics raise questions as to whether the Council genuinely promotes fiscal harmony or reproduces stratified dependencies.

The GST is legally based on a set of legislation, including the Central Goods and Services Tax (CGST) Act, 2017, State Goods and Services Tax (SGST) Acts, Integrated Goods and Services Tax (IGST) Act, 2017, and Union Territory Goods and Services Tax (UTGST) Act, 2017, which operationalizes the constitutional provisions by establishing levies, input tax credits, and compliance mechanisms. These laws, led by the Goods and Services Tax Network (GSTN) for digital administration, are also intended to streamline tax processes and prevent evasion with a multi-level rate structure (0%, 5%, 12%, 18%, 28%). Critically though, however, this framework, whilst bringing in transparency and boosting tax collections by enlarging the base has come at the cost of complexity, with frequent amendments leading to small business compliance burdens as well as litigation around classifications and credits. In addition, GST's lack of broad coverage, as petroleum and alcohol are not in its ambit allows for distortions (and leakage of revenue) that are further emphasized; this shows the absence at the framework's partial incorporation of indirect taxation.

Federally, the constitutional and legal structure of the GST regime has been praised for its economic consolidation through the weakening of inter-state trade barriers and the facilitation of seamless flows of credit, which led to GDP growth estimates of 1-2% due to enhanced efficiency. Critics, however, say this is a soft-power fiscal centralization with the center's control of IGST and compensation mechanisms (which were initially for five years but have been extended to cover revenue shortfalls) straining center-state relations, at least in states that depend on consumption taxes. 

The 101st Amendment's removal of state-exclusive taxes like sales tax has undermined fiscal sovereignty, which could make regional disparities worse. These doubts are further fortified by difficult cases of implementation including initial technical hiccups and anti-profiteering ambiguity, exposing the design of the framework for unfair enforcement as follows.

It is evident, on balance, that the GST constitutional framework and domestic legal standards have not yet maximized cooperative federalism through the realisation of such benefits, given some key structural and power asymmetries remain. 

Persistent issues, such as the complexity and complexities of multi-rate regulation or compliance for SMEs or the influence of the judiciary reveal that reforms are needed, including including excluded items in the composition of the Council and strengthening state voices. Indeed, the regime’s success will be dependent upon adaptive policy-making to reconcile national conformity with federal variety, otherwise it risks becoming merely another means to promote centralism rather than communal wealth. Subsequent amendments would also need to redress critiques like these to maintain the transformative potential of GST in India’s fiscal ecosystem.

Conclusion

The introduction of the Goods and Services Tax (GST) regime in India after the Constitution (101st Amendment) Act, 2016, and its subsequent legislative implementations, is one of the most significant changes in transforming the taxation system in the nation as we move to a unified tax system consistent with the principles of cooperative federalism in India based on the principles of efficiency and digitisation. Constitutional provisions as illustrated in Articles 246A, 269A, 279A give rise to concurrent taxation powers in India and are among the few that allow for convergence of interests (and therefore the GST Council as a mechanism of policy harmonization), but the legal framework (CGST, SGST, and IGST Acts) facilitates compliance with the act while minimising the transmission of cascading effects on the economy and thus strengthening the capacity of the state to effectively address economic issues and generate revenue through cooperation. 

With a critical eye remains a need for refinements such as rate rationalization and the admission of excluded commodities since there are structural complexities with far below-the-ground entities that carry compliance burdens and center-state fiscal relations on par with those of large fiscal institutions. As India moves into the post-GST era, these reforms have tremendous potential to create long-term growth and equity: so long as they evolve with adaptive governance structures, open discussions and a public spirit to achieve their grand vision.

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