Indian Oil Corporation (IOC): Business Overview & Financial Analysis

Indian Oil Corporation Limited (IOC) is a Maharatna public sector enterprise under the Ministry of Petroleum and Natural Gas, Government of India, and a major player in the country’s oil refining and petroleum marketing sector. The company operates across the energy value chain, including crude oil refining, pipeline transportation, marketing of petroleum products, exploration and production, and petrochemical manufacturing. With an extensive infrastructure network across major energy and consumption centres, Indian Oil plays an important role in meeting India’s fuel and energy requirements.

Indian Oil Corporation Business Segment Revenue Mix (FY2025-26)

The company’s revenue mix is largely driven by petroleum products, supported by petrochemicals and other businesses such as exploration and production, gas and renewable energy.

• Petroleum Products – 93.8% of consolidated revenue
• Petrochemicals Segment – 4.1% of consolidated revenue
• Other Business Activities (E&P, Gas, Renewables) – 2.1% of consolidated revenue

Petroleum products remain the main revenue contributor for Indian Oil, while the petrochemicals business uses the company’s integrated refinery infrastructure to supply products to industrial and manufacturing sectors.

IOC Full-Year Consolidated Financial Performance (FY2025-26)

The Indian Oil Corporation's financial performance for the full year shows marginal revenue growth, while profitability declined due to lower marketing margins and weaker refining spreads.

• Consolidated Revenue from Operations – Rs 8,81,174.92 crore (+1.67% YoY)
• Consolidated Profit After Tax (PAT) – Rs 15,350.52 crore (-62.26% YoY)
• Basic & Diluted Consolidated EPS – Rs 10.96 basic per equity share
• Total Full-Year Dividend Recommended – Rs 7.00 per share of face value Rs 10
• Average Full-Year Core Gross Refining Margin (GRM) – USD 7.32 per barrel

Consolidated revenue increased marginally to Rs 8,81,174.92 crore during the year. However, net profit declined sharply due to lower fuel marketing margins and weaker international refining product spreads.

IOC Latest Quarterly Consolidated Performance Metrics (Q4 FY2025-26)

The Indian Oil Corporation's quarterly results for Q4 FY2025-26 show stable revenue performance, while profitability declined compared to the corresponding period of the previous year.

• Consolidated Quarterly Revenue from Operations – Rs 2,22,174.12 crore (+1.10% YoY)
• Consolidated Quarterly Net Profit (PAT) – Rs 5,124.60 crore (-53.72% YoY)
• Standalone Quarterly Revenue – Rs 1,98,961.90 crore
• Standalone Quarterly Net Profit – Rs 4,881.60 crore
• Recommended Quarterly Final Dividend – Rs 2.50 per equity share

Quarterly profitability declined due to lower petrochemical margins and pressure on auto fuel marketing spreads.

Indian Oil Corporation Refining and Pipeline Infrastructure (FY2025-26)

Indian Oil operates an extensive refining and pipeline infrastructure network that supports the transportation of crude oil and finished petroleum products across India.

• Total Refining Plant Capacity – 70.25 million metric tonnes per annum (MMTPA)
• National Domestic Refining Market Share – ~32.0% of collective public sector footprint
• Total Cross-Country Pipeline Network – 19,500+ kilometres
• Total Annual Pipeline Throughput – 99.40 million metric tonnes
• Average Cross-Country Pipeline Capacity Utilisation – 102.5% during the fiscal year

Operating 9 major integrated refinery clusters along with an extensive pipeline network allows the company to transport crude oil and finished petroleum products efficiently across different regions.

Indian Oil Corporation Marketing and Distribution KPIs (FY2025-26)

The company has an extensive marketing and distribution network that supplies transport fuels, LPG and other petroleum products across India.

• Total Active Retail Fuel Stations – 39,254 operational locations pan-India
• Full-Year Domestic Petroleum Sales Volume – 93.75 million metric tonnes (+1.7% YoY)
• Full-Year Export Petroleum Sales Volume – 4.78 million metric tonnes (+21.0% YoY)
• Indane LPG Domestic Consumer Base – 14.8 crore (148 million) active connections
• Total Fuel Stations Solarised – 21,783 retail outlets powered through green energy

Domestic petroleum sales reached 93.75 million metric tonnes during the year, supporting Indian Oil’s strong presence across retail fuel and industrial petroleum product markets.

Indian Oil Corporation Petrochemical and Alternative Production Mix (FY2025-26)

The company is expanding its petrochemical, gas and clean energy businesses to diversify beyond traditional petroleum products.

• Full-Year Petrochemical Sales Volume – 2.28 million metric tonnes (+3.4% YoY)
• Total Operational City Gas Distribution (CGD) Network – 45 geographical areas
• Total Renewable Energy Capacity – 470 megawatts (MW)
• Advanced CBG (Compressed Bio-Gas) Stations Commissioned – 45 active locations

Growth in petrochemical sales provides additional business diversification, while investments in compressed bio-gas and renewable energy support the company’s long-term clean energy plans.

Indian Oil Corporation Capital Allocation and Solvency Metrics (As of March 31, 2026)

The company maintains a large balance sheet to support its refining, marketing and infrastructure expansion plans.

• Consolidated Net Debt – Rs 1,29,014.70 crore
• Consolidated Net Debt-to-Equity Ratio – 0.78x
• Long-Term Corporate Credit Rating – CRISIL AAA / ICRA AAA with Stable outlooks
• Total Full-Year Infrastructure Capex – Rs 38,097 crore

Controlled leverage and strong credit ratings provide Indian Oil access to funding for its large infrastructure and expansion projects.

Indian Oil Corporation Capex & Greenfield Expansion Pipelines (FY2025-26)

IOC is investing in refinery capacity expansion, petrochemical projects and clean energy infrastructure.

• Pan-India Refining Capacity Target (By FY28) – 88.0 MMTPA aggregate capacity
• Flagship Panipat Refinery Expansion Component – 25.0 MTPA capacity addition under progress
• Greenfield Paradip Petrochemical Complex Budget – Rs 61,074 crore
• Scheduled Paradip Completion Timeline – Commissioning expected by calendar year 2030
• Target Sustainable Aviation Fuel (SAF) Facility – 10,000 tonnes per annum plant at Panipat

Investments in the Panipat refinery expansion and the Paradip petrochemical complex are expected to increase production capacity and strengthen the company’s presence in higher-value petrochemical products.

Indian Oil Corporation Management Commentary and Strategic Guidelines (Q4 FY2025-26)

Management has outlined capital expenditure, clean energy transition, petrochemical expansion and margin management as key priorities.

• Projected Near-Term Capital Outlays (FY27) – Management targets infrastructure capex of Rs 35,000 crore to Rs 38,000 crore for the upcoming fiscal year.
• Long-Term Net-Zero Operational Target – The company aims to achieve net-zero operational carbon emissions by 2046.
• Product Refinement Strategy Focus – The company plans to expand higher-value petrochemical products to reduce dependence on volatile refining margins.
• Global Energy Volatility Adjustments – Management continues to monitor crude oil prices, international shipping costs and other global energy market developments.
• Auto Fuel Pricing Runways – The company will focus on managing domestic fuel marketing margins amid changes in global petroleum product prices.
• Joint Venture EV Infrastructure Actions – Future network expansion plans include increasing electric vehicle charging points to more than 10,000 retail locations through partnerships.
• Capital Allocation Payout Frameworks – The company remains committed to distributing up to 50.0% of standalone annual profit through dividends, subject to its capital expenditure requirements.

Indian Oil’s forward strategy focuses on completing major refinery and petrochemical projects, expanding clean energy businesses and maintaining its position across India’s petroleum refining and marketing sectors.

Citations

[1] Indian Oil Corporation Limited Audited Standalone and Consolidated Financial Disclosures Submitted to BSE Limited (May 14, 2026).
[2] Official Transcript of the Indian Oil Corporation Limited Q4 FY2025-26 Institutional Post-Results Earnings Conference Call (May 19, 2026).
[3] Indian Oil Corporation Limited Corporate Presentation: Capital Allocation, Operational Throughputs, and Segment Ratios Fact Sheet (FY26).
[4] Finology Ticker Company Database for Indian Oil Corporation Limited (IOC).

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Disclaimer
The information presented above on Indian Oil Corporation (IOC) has been compiled from the company's Annual Reports, Investor Presentations, Earnings Call (Concall) Transcripts, official regulatory filings and the financial data available on Finology Ticker. Certain figures, classifications or comparisons may vary due to differences in accounting policies, reporting methodologies or subsequent restatements by the company. This content is intended solely for informational purposes and should not be considered as investment advice. Investors are advised to refer to the latest company filings and the updated financial data, ratios and disclosures available on this Finology Ticker Indian Oil Corporation (IOC) page before making any investment decision.