The move aims to reduce distortions caused by factors such as shifting festival dates, variations in working days, and predictable seasonal patterns that often cloud the interpretation of raw industrial numbers.

At the center of the proposal is the Index of Industrial Production, one of India’s most closely tracked economic indicators. The index measures output across manufacturing, mining, electricity generation, capital goods, and other industrial segments that collectively reflect the health of the economy.

Currently, India publishes only unadjusted monthly industrial data. While useful over longer periods, these figures can swing sharply from month to month due to events like Diwali or changes in holiday calendars, making it harder for policymakers, investors, and analysts to identify real underlying trends.

The statistics ministry believes that publishing a seasonally adjusted version of the index would help separate genuine changes in industrial momentum from temporary or calendar-driven fluctuations. By stripping out predictable seasonal effects, the adjusted data would offer a cleaner picture of economic performance.

According to the discussion paper released by the ministry, the proposed methodology would aim to improve the quality of economic signals without leading to excessive or confusing data revisions. The goal is to balance greater accuracy with stability in reported figures.

Seasonal adjustment is widely used by statistical agencies around the world, particularly in advanced economies. Many international institutions encourage the practice, arguing that it enhances comparability over time and improves decision-making for governments and markets alike.

The proposal forms part of a broader effort by the Indian government to modernize key economic data series. This includes revising base years, updating survey samples, and refining methodologies to better reflect the structure of today’s economy rather than relying on outdated benchmarks.

As part of this revamp, the base year for the Index of Industrial Production is set to be updated to 2022–23 from the current 2011–12. Officials say this change is necessary to capture shifts in industrial composition, technology adoption, and production patterns over the past decade.

The ministry has invited feedback from stakeholders on several aspects of the proposal, including how to treat disruptions caused by the pandemic period and which holidays or festivals should be included in seasonal adjustments. Responses are being sought by mid-February.

This consultative approach signals that the government is keen to align India’s industrial statistics with global best practices while taking into account the country’s unique economic and cultural context. Festivals, for instance, play a much larger role in shaping economic activity in India than in many other countries.

Beyond seasonal adjustment, officials have previously suggested other reforms to improve data accuracy. These include replacing closed or inactive factories in survey samples with operational units and reviewing sectoral weights more frequently to reflect changing industrial dynamics.

Such measures could help ensure that the index remains representative of actual production activity, especially as new industries emerge and others decline. More frequent updates may also reduce the need for large revisions down the line.

The timing of the proposal is notable, as recent industrial data has shown strong momentum. Industrial output expanded at its fastest pace in more than two years in December, reinforcing the importance of clear and reliable indicators to assess whether growth is sustainable.

Economists say that if implemented carefully, seasonally adjusted industrial data could improve policy responses, enhance transparency, and boost confidence among investors tracking India’s economic trajectory.

The planned changes underline India’s push to strengthen the credibility and usefulness of its official statistics as the economy grows in size, complexity, and global integration.

The latest data indicates that the country maintained robust momentum despite external pressures, suggesting resilience across key sectors.

The economy grew 8.2% year-on-year for the quarter, exceeding expectations and marking an improvement from the previous quarter’s 7.8% expansion.

Analysts had anticipated softer growth due to the imposition of additional U.S. tariffs, but the performance surpassed those forecasts and reinforced optimism about the full-year outlook.

The United States’ decision to raise punitive tariffs on certain Indian exports to a combined 50% had prompted manufacturers to accelerate shipments before the charges fully took effect.

This front-loading of production, along with elevated domestic demand, contributed significantly to the stronger economic showing reported for the period.

Private consumer spending, which represents about 57% of India’s total GDP, rose 7.9% year-on-year in the quarter, compared with a 7% increase in the previous period.

The surge in household demand reflects improving consumer sentiment, supported by tax reductions on commonly used goods that became effective at the end of September.

Economists noted that the boost from festive-season stockpiling and export advancement ahead of tariff deadlines played an essential role in the quarter’s overall performance.

Many sectors focused on maintaining supply continuity, anticipating both domestic celebrations and impending trade restrictions abroad.

Manufacturing output increased by 9.1% year-on-year, up from 7.7% in the earlier quarter, driven by sustained industrial activity and strong production runs in goods tied to consumer markets.

Construction activity also remained firm, expanding 7.2%, reflecting continued investment in infrastructure and related projects across various regions.

Government spending, however, declined 2.7% during the quarter compared with a rise of 7.4% in the previous three-month period.

The moderation reflects shifts in expenditure cycles as well as signaling that private demand played a larger role in supporting overall growth.

Despite lower public spending, officials remain confident that India will maintain its upward trajectory through the remainder of the financial year.

Authorities pointed to firm domestic demand, easing inflation, and strong public investment commitments as key contributors to future performance.

Retail inflation in October dropped to a historic low of 0.25%, helping relieve pressure on consumers and boosting expectations of a possible rate cut in the Reserve Bank of India’s upcoming policy review.

Lower inflation levels are also expected to support continued household consumption and bolster business confidence in the months ahead.

Economists tracking the quarterly data believe that India’s full-year growth for FY 2025/26 may exceed earlier projections from both government and central bank sources.

Some analysts anticipate figures closer to 7.5%, citing the combination of front-loaded exports, domestic demand resilience, and favorable macroeconomic conditions.

Trade uncertainties remain a potential risk, particularly as global demand shifts and tariff-related challenges evolve in the coming months.
However, government officials say proactive measures—such as targeted tax relief and efforts to diversify export destinations—will help mitigate the impact of external pressures.

India’s economic planners also emphasize the importance of sustaining reforms aimed at improving manufacturing competitiveness, promoting domestic production, and expanding investments in technology-driven industries.

These areas are expected to support growth as global markets adjust to changes in trade relationships and supply chain configurations.

For now, the latest quarterly results point to a strong foundation for the year ahead, with rising consumption, improving industrial output, and easing inflation creating conditions favorable for steady expansion.

The full impact of U.S. tariffs may still unfold over the coming months, but current indicators suggest that India has entered the second half of the financial year with considerable economic momentum.

According to official data, the infrastructure output index, which tracks activity across eight key sectors and accounts for 40% of India’s overall industrial production, grew 3% year-on-year in September, marking a steady continuation of growth momentum from previous months.

While the pace of growth was lower than August’s revised 6.5% expansion, analysts emphasize that the September numbers reflect a balanced and sustainable recovery across India’s infrastructure landscape.

The index captures performance across coal, crude oil, natural gas, refinery products, steel, cement, electricity, and fertilizer production, all of which play critical roles in supporting India’s economic development and urban modernization projects.

Key Sector Highlights

Several sectors recorded strong performances in September, reinforcing India’s industrial resilience and growth potential:

• Steel production surged 14.1% year-on-year, continuing a robust upward trend from a revised 13.6% growth in August. This highlights strong domestic demand from construction, infrastructure projects, and manufacturing.
• Cement output increased 5.3% year-on-year, sustaining steady growth from August’s 5.4%, indicating continued investment in housing, commercial, and public infrastructure projects.
• Electricity generation rose 2.1%, reflecting ongoing expansion in power supply to meet industrial, commercial, and residential energy needs.
• Fertilizer production increased 1.6%, supporting India’s agricultural sector and ensuring continued food security, even as output growth moderates compared to the previous month’s 4.6% rise.

These gains underscore that India’s infrastructure and industrial sectors are adapting to evolving market demands, maintaining a foundation for long-term economic stability and growth.

Areas of Temporary Slowdown

Certain sectors experienced modest declines in September, reflecting temporary adjustments rather than structural weaknesses:

• Coal production fell 1.2%, down from an 11.4% growth in August, reflecting supply realignments and mining efficiency measures.
• Natural gas production declined 3.8%, compared to a 2.2% fall in the previous month, as the energy sector adjusts to seasonal and market factors.
• Crude oil output decreased 1.3%, while refinery product output fell 3.7%, highlighting ongoing optimization in processing and distribution.

Experts note that these short-term fluctuations are part of a natural cyclical a

djustment in industrial production and do not diminish the broader growth trends. They also point out that strong performances in steel, cement, and electricity production are significant indicators of sustained infrastructure expansion, supporting long-term urbanization and industrialization goals.

From April to September, infrastructure output grew 2.9% year-on-year, compared to a revised 4.3% growth in the same period last year, reflecting a steady and resilient trajectory amid evolving economic conditions.

This sustained growth reflects continued government investment in infrastructure, expansion of urban projects, and modernization of industrial processes.

India’s infrastructure expansion is a key driver of employment generation, supply chain development, and economic modernization. With ongoing projects in highways, urban housing, energy, and industrial parks, the country is well-positioned to capitalize on long-term infrastructure growth opportunities.

Economists and industry analysts remain optimistic, noting that short-term adjustments in coal, oil, and natural gas production are offset by stronger performance in steel, cement, and power generation.

These sectors are foundational to India’s ambitious infrastructure programs and are expected to continue driving positive momentum in the coming months.

In summary, India’s September infrastructure output demonstrates balanced, sustainable growth, supported by resilient industrial sectors and strategic investment.

While certain areas experienced temporary slowdowns, the overall trajectory remains positive, signaling a robust foundation for continued infrastructure expansion and economic development.