This research paper analyses the sustainability in financial performance of the Indian oil industry through DuPont model analysis. The period of the study is 15 years collected from 2009–2023, to analyse the variables which affects the performance this research paper reveals the relationship between multiple financial indicators and Return on Equity (ROE). Findings show how turnover positively correlates with the metrics like Net Income, Total Assets and Equity proves that the capital investment in assets improve the sales augmentation. Also the ROE has robust positive correlations with Net Income, Return on Sales, Return on Assets and Total Assets Turnover which indicates that there is an increase in earning capacity closely related with other rates of return and internal financing. The DuPont model plays a crucial role in management to understand the performance drivers in oil industry and hypothesis generation to improve profitability.