Oil & Natural Gas Corporation Limited (ONGC) — Free Cash Flow Generation Index
Oil & Natural Gas Corporation Limited (ONGC) has a Free Cash Flow Generation Index of 0.58x as of September 2025. Free cash flow of Rs354.57 Billion represents 1% of operating cash flow (Rs607.87 Billion). Explore ONGC capital reinvestment ratio to see what proportion of operating cash flow is directed to capital expenditures.
FCF Generation Index
Free Cash Flow
Operating Cash Flow
Capital Expenditures
Oil & Natural Gas Corporation Limited Free Cash Flow Generation Index (2002–2026)
Historical FCF Generation Index trend for Oil & Natural Gas Corporation Limited across 25 annual periods. For the full cash flow conversion analysis, see Oil & Natural Gas Corporation Limited cash flow conversion.
Annual Free Cash Flow Generation for Oil & Natural Gas Corporation Limited (2002–2026)
Year-by-year Free Cash Flow Generation Index for Oil & Natural Gas Corporation Limited. Check Oil & Natural Gas Corporation Limited investment reinvestment rate to assess the company's total reinvestment commitment from operating cash flow.
| Year | FCG Index | Free Cash Flow (INR) | Operating CF | Capital Expenditures | YoY Change |
|---|---|---|---|---|---|
| 2026 | 0.63x | Rs715.83 Billion | Rs1.13 Trillion | Rs412.82 Billion | ▲ +63.8% |
| 2025 | 0.39x | Rs351.92 Billion | Rs908.68 Billion | Rs556.76 Billion | ▼ -18.8% |
| 2024 | 0.48x | Rs473.61 Billion | Rs992.63 Billion | Rs519.02 Billion | ▲ +14.1% |
| 2023 | 0.42x | Rs352.07 Billion | Rs842.11 Billion | Rs490.04 Billion | ▼ -2.6% |
| 2022 | 0.43x | Rs334.74 Billion | Rs780.00 Billion | Rs445.26 Billion | ▲ +382.2% |
| 2021 | 0.09x | Rs42.01 Billion | Rs472.01 Billion | Rs430.01 Billion | ▼ -61.7% |
| 2020 | 0.23x | Rs166.49 Billion | Rs716.34 Billion | Rs549.85 Billion | ▼ -23.5% |
| 2019 | 0.30x | Rs186.65 Billion | Rs614.58 Billion | Rs427.92 Billion | ▲ +45.6% |
| 2018 | 0.21x | Rs118.49 Billion | Rs567.92 Billion | Rs449.43 Billion | ▲ +1.1% |
| 2017 | 0.21x | Rs94.52 Billion | Rs457.80 Billion | Rs363.29 Billion | ▼ -40.9% |
| 2016 | 0.35x | Rs161.68 Billion | Rs462.92 Billion | Rs301.24 Billion | ▲ +932.0% |
| 2015 | -0.04x | Rs-14.25 Billion | Rs339.50 Billion | Rs354.34 Billion | ▲ +73.0% |
| 2014 | -0.16x | Rs-82.95 Billion | Rs532.70 Billion | Rs615.65 Billion | ▼ -158.1% |
| 2013 | -0.06x | Rs-24.06 Billion | Rs398.74 Billion | Rs422.80 Billion | ▼ -142.4% |
| 2012 | 0.14x | Rs65.60 Billion | Rs461.29 Billion | Rs395.69 Billion | ▼ -58.2% |
| 2011 | 0.34x | Rs142.75 Billion | Rs419.80 Billion | Rs277.05 Billion | ▲ +30.0% |
| 2010 | 0.26x | Rs75.30 Billion | Rs287.83 Billion | Rs212.53 Billion | ▲ +3.1% |
| 2009 | 0.25x | Rs73.59 Billion | Rs289.98 Billion | Rs216.39 Billion | ▼ -39.7% |
| 2008 | 0.42x | Rs122.14 Billion | Rs290.29 Billion | Rs168.14 Billion | ▼ -17.8% |
| 2007 | 0.51x | Rs142.24 Billion | Rs277.90 Billion | Rs135.66 Billion | ▼ -17.6% |
| 2006 | 0.62x | Rs128.14 Billion | Rs206.24 Billion | Rs78.11 Billion | ▲ +46.7% |
| 2005 | 0.42x | Rs76.41 Billion | Rs180.44 Billion | Rs81.01 Billion | ▼ -27.9% |
| 2004 | 0.59x | Rs82.99 Billion | Rs141.24 Billion | Rs58.24 Billion | ▼ -52.2% |
| 2003 | 1.23x | Rs159.20 Billion | Rs129.49 Billion | Rs29.71 Billion | ▲ +2.7% |
| 2002 | 1.20x | Rs97.23 Billion | Rs81.25 Billion | Rs15.98 Billion | — |