Q.Enumerate the indirect taxes which have been subsumed in the Goods and Services Tax (GST) in India. Also, comment on the revenue implications of the GST introduced in India since July 2017.

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A. Indirect Taxes Subsumed under GST

At the Central Level:

• Central Excise Duty
• Additional Excise Duties
• Service Tax
• Additional Customs Duty (commonly known as Countervailing Duty or CVD)
• Special Additional Duty of Customs (SAD)

At the State Level:

• State Value Added Tax (VAT) / Sales Tax
• Entertainment Tax (excluding those levied by local municipal bodies)
• Central Sales Tax (levied by the Centre but collected by the States)
• Octroi and Entry Tax
• Purchase Tax
• Luxury Tax
• Taxes on lottery, betting, and gambling

B. Revenue and Economic Implications of GST

Positive Implications:

• Creation of a Unified Common Market: GST has integrated India into a single national market, boosting domestic trade, attracting Foreign Direct Investment (FDI), and supporting the 'Make in India' initiative.
• Streamlined Tax Structure: It has harmonized tax laws, administrative procedures, and tax rates across different states and between the Centre and States.
• Enhanced Tax Compliance: The transition to an end-to-end digital tax portal (GSTN) for filing returns and matching input tax credits (ITC) has created a robust paper trail, encouraging formalization.
• Mitigation of Tax Evasion: Uniform rates for State GST (SGST) and Integrated GST (IGST) have eliminated rate arbitrage between states, reducing incentives for tax evasion.
• Increased Certainty: Standardized registration, refund mechanisms, and a common tax base have lent greater predictability to the indirect tax regime.
• Reduction in Corruption: The technology-driven interface has minimized physical interaction between taxpayers and tax administrators, reducing rent-seeking behavior.
• Boost to Manufacturing and Exports: By eliminating the cascading effect of taxes and ensuring seamless input tax credit, GST has made Indian exports more competitive globally.

Key Challenges and Concerns:

• Frequent Amendments: The GST framework has undergone numerous revisions, notifications, and circulars (exceeding 1,000), causing compliance confusion for businesses.
• Non-implementation of GSTR-2: The suspension of the original automated purchase-matching return (GSTR-2) forced reliance on self-attested offline reconciliations, increasing the risk of fake ITC claims.
• Refund Delays: Despite automation, exporters frequently face working capital blockages due to administrative delays in processing tax refunds.
• Technical and Adaptation Glitches: Small and medium enterprises (SMEs) have struggled to adapt to the highly tech-dependent compliance architecture due to frequent portal glitches.
• Complex Penalty Structure: Businesses face stringent penalties for minor compliance errors or defaults by their vendors, impacting business sentiment.
• Revenue Volatility: Initial years witnessed lower-than-expected revenue collections due to widespread transitional issues and compliance gaps.
• Concerns Highlighted by the 15th Finance Commission: These include the multiplicity of tax slabs, shortfalls in collections relative to initial projections, high revenue volatility, and the fiscal dependence of states on central compensation.

C. Way Forward

• Structural Reforms: Simplifying the tax rate structure by reducing the number of slabs can significantly ease compliance.
• Operationalizing Tribunals: Expediting the constitution of the GST Appellate Tribunal is critical to resolving pending disputes without overburdening High Courts.
• Simplifying Compliance: Streamlining anti-profiteering provisions and simplifying return-filing procedures will ensure that the efficiency gains of GST are fully passed on to consumers.