Expense Ratio

The Expense Ratio is the annual fee charged by a mutual fund scheme to cover its operating expenses — fund management fees, administrative costs, distribution expenses, registrar fees, audit fees, and custodian fees.

It is expressed as a percentage of the scheme's daily net assets and is deducted daily from the NAV. A lower expense ratio means more of the fund's returns are passed to investors, making it a key factor in comparing similar funds. What is the Expense Ratio? If a mutual fund has assets of ₹1,000 crores and an expense ratio of 1.5%, the fund deducts ₹15 crores per year in expenses. For an investor with ₹10 lakhs invested in this fund, the annual expense charged to their investment would be ₹15,000. This reduces the NAV daily and therefore reduces the investor's effective return by approximately 1.5% per year. Expense ratios vary by fund type and category. Index funds and exchange-traded funds (ETFs) have very low expense ratios — as low as 0.05% to 0.20% — because they simply replicate an index without active management. Actively managed equity funds have higher expense ratios — typically 1% to 2.5% per annum. Debt funds range from 0.5% to 1.5%. Fund of funds (which invest in other schemes) have an additional layer of expense ratio (the underlying fund's expense ratio plus the fund of fund's own charge). The SEBI has mandated maximum expense ratios for mutual fund schemes in India. For equity funds, the maximum TER (Total Expense Ratio) is 2.25% for the first ₹500 crores of AUM, 2.00% for the next ₹1,000 crores, and 1.75% for AUM above ₹1,500 crores. For debt funds, the maximum TER is lower — around 2.00% for the lowest AUM slab and 1.50% for larger schemes. The impact of expense ratio on returns compounds over time. A fund with a 0.5% lower expense ratio (say 1% vs 1.5%) will outperform by 0.5% per year. Over 20 years, ₹10 lakhs growing at 12% per year becomes ₹96.5 lakhs. At 12.5% per year (0.5% better), it becomes ₹1.08 crores — a difference of ₹11.5 lakhs just from a 0.5% lower expense ratio. This is why even small differences in expense ratios matter significantly for long-term investments. When comparing two similar funds, always choose the one with the lower expense ratio — assuming all other factors (fund manager track record, portfolio quality, and investment objective) are equal. A 0.3% difference in expense ratio compounds to lakhs of rupees over a 15-year investment horizon. Many investors focus only on past returns and ignore expense ratios — a fund with 1% higher returns but 0.5% higher expense ratio actually delivers only 0.5% net benefit.