From Midnight Launch to AI-Driven Efficiency: How GST Reshaped the Indian Economy

As the indirect tax regime completes nine years, the shift towards a two-tier structure and automated compliance marks the next phase of India’s fiscal evolution.

It began at the stroke of midnight in the old Parliament building, a rare moment of political theatre that promised to sweep away a labyrinth of 17 central and state taxes. Nine years later, the "good and simple tax" narrative has evolved from a daunting administrative challenge into a backbone of India’s formal economy. When the Goods and Services Tax (GST) was introduced on July 1, 2017, the goal was to kill the cascading tax effect and create a unified national market. Today, the system is shedding its early teething troubles, pivoting toward a tech-heavy future where AI-led compliance and near-instant refunds are no longer just concepts, but operational mandates.

The sheer scale of this change is visible in the numbers. From a base of 66.5 lakh taxpayers at the time of launch, the system now boasts 1.6 crore registered entities. This expansion is perhaps the strongest indicator of the economy’s formalisation. While the initial years were defined by the heavy lifting of building consensus—a process anchored by the late Arun Jaitley and state stakeholders—the current phase is defined by technological integration. By bridging GST, income tax, and customs databases, the government is successfully narrowing the window for evasion while reducing the need for manual interference that once plagued small traders.

The Shift to a Two-Tier Structure

The most significant structural pivot occurred recently. After years of testing the four-tier system—which saw rates of 5, 12, 18, and 28 per cent—policymakers opted for a cleaner, next-gen architecture. As of September 22, 2025, the regime moved to a two-tier slab system. Most goods and services now fall under either a 5 per cent bracket for essentials or an 18 per cent standard rate. A separate 40 per cent slab has been reserved exclusively for luxury and demerit goods, ensuring that the tax burden remains aligned with consumption patterns while simplifying the filing process for businesses.

For the micro, small and medium enterprises (MSMEs) that once viewed the tax regime as a bureaucratic hurdle, this move toward technology is a relief. The focus is now squarely on faster refunds and predictive compliance. By using data analytics to flag risks in real-time, the system can protect honest taxpayers from unnecessary scrutiny while keeping a tighter watch on systemic leakage.

Why It Matters

The transition to a matured GST framework signals a broader shift in how the Indian state interacts with its taxpayers. Moving away from manual audits toward automated, data-driven oversight reduces the friction of doing business, which is critical for India’s growth story. The integration of tax databases is not just a digitisation exercise; it is an economic filter that rewards formalisation. If the first decade was about establishing the infrastructure of the tax, the next will be about how efficiently that data can be deployed to stimulate growth. As the system stabilizes, the success of this reform will be measured not just by revenue, but by how seamlessly the small business sector can navigate an increasingly sophisticated, digital-first economy.