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For years, debt mutual funds carried a tax advantage that bonds did not: Hold three years, and the gain was taxed at 20% with indexation, which adjusted your purchase price for inflation and cut the taxable amount sharply. The Finance Act 2023 removed that indexation benefit. Since then, the comparison of bonds vs. debt mutual funds has been rebuilt twice, in 2023 and again in 2024, and much of what is written about it is out of date.
This article sets out the current position, where the tax difference bites and where it changes nothing.
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Bond vs. Debt Mutual Funds What Changed, and When
The indexation benefit removed debt funds from a position they had held for years. Two separate changes did the work.
The first part of the debt fund taxation change applied from 1 April 2023. Gains on units of a specified mutual fund are treated as short-term, whatever the holding period, and taxed at your slab rate. No long-term category, no indexation. This is Section 50AA [1].
From 23 July 2024, units bought before April 2023 and held over 24 months are taxed at 12.5% without indexation, replacing 20% with indexation [2].
The debt fund taxation change went further from FY 2025-26, when the definition narrowed. Section 50AA now covers funds investing more than 65% in debt and money market instruments [3].
So the debt fund taxation change is not one event. Where your units sit depends on when you bought them, which is the first thing to check before comparing bonds vs. debt mutual funds.
How Bonds and Debt Funds are Taxed Now
This is the comparison that matters and the reason the debt fund taxation change reshaped the argument.
| Listed bond | Debt fund, units bought from April 2023 | Debt fund, units bought before April 2023 | |
| Interest or coupon | Slab rate | Not applicable, held inside the fund | Not applicable |
| Gain, held under 12 months | Slab rate | Slab rate | Slab rate |
| Gain, held over 12 months | 12.5%, no indexation | Slab rate | Slab if under 24 months |
| Gain, held over 24 months | 12.5%, no indexation | Slab rate | 12.5%, no indexation |
| Indexation | Not available | Not available | Not available |
| TDS | 10% on interest above ₹10,000 | None on redemption | None on redemption |
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The 12.5% Rate Only Covers Half of What a Bond Pays
Here is the part most comparisons skip. A bond pays you two ways, and only one gets the 12.5% rate. This is where the comparison is usually explained badly. Coupon interest is added to your income and taxed at the slab rate. That is the same treatment a debt fund gain receives. Buy a bond, hold it to maturity, and collect coupons, and there is no tax advantage at all. Both are taxed at a slab. The 12.5% rate applies only to a capital gain, meaning a listed bond sold above your purchase price after twelve months.
So bonds and debt fund returns, measured after tax, come down to how you hold the bond.
- Hold to maturity and live off the coupon, and the tax outcome matches a debt fund.
- Buy when yields are high and sell after they fall, and the gain is taxed at 12.5% rather than a slab. For someone in the 30% bracket, that is where bond vs. debt fund returns genuinely diverge.
- Buy a listed zero-coupon bond, and the entire return arrives as a capital gain, so all of it can qualify for 12.5% after twelve months.
That last case is where the indexation benefit removed debt funds most visibly, leaving a route funds no longer have.
What Tax Does Not Decide
Tax is one input. Three others matter, and none changed in 2023.
- A debt fund holds dozens of securities, so one default hurts less. A single bond concentrates the credit risk in one issuer.
- A debt fund can be redeemed on any working day. A bond must be sold to a buyer, and many corporate bonds trade thinly.
- A bond gives a known return on a known date if held to maturity. A debt fund gives neither, since its value moves with what it holds. Against that, a fund charges an annual expense ratio, and a bond does not, which eats into debt fund returns over a long holding period.
Frequently Asked Questions
Neither is better in every case. A bond suits money with a fixed date and a known target. A debt fund suits money you may need at short notice or where you want credit risk spread across many issuers.
A bond is a direct loan to one issuer, paying a fixed coupon and returning your money on a set date. A debt fund pools money, buys dozens of bonds, and gives you units whose value moves daily. One is a contract, the other a share of a portfolio.
It depends on how you hold them. Held to maturity and taxed at slab on the coupon, debt fund returns and bond returns are close. Where bonds vs. debt fund returns separate is on capital gains, since a listed bond sold after twelve months is taxed at 12.5%, while a debt fund gain is taxed at a slab.
Not automatically. A AAA-rated bond carries less credit risk than a fund holding lower-rated paper. But one bond concentrates risk in a single issuer, while a fund spreads it. The fund also moves in value daily, which a bond held to maturity does not.
No. A debt fund can fall if interest rates rise or a holding is downgraded or defaults. It is not capital guaranteed and carries no deposit insurance. Steadier than equity is a different claim from safe.
Three main ones, and the debt fund taxation change created the first. Since the indexation benefit went, gains are taxed at slab with no long-term benefit under Section 50AA. The return is not fixed, so you cannot plan around a number. And an expense ratio applies every year regardless of performance.
He has long preferred equities for growth and has been critical of holding long-dated bonds at low yields. In his 2013 letter to Berkshire Hathaway shareholders, he set out a 90/10 instruction for his own estate, with 10% in short-term government bonds. That reflects a long horizon and no income needs.
Conclusion
The headline is that debt funds lost their tax edge. The more useful conclusion is narrower. If you hold a bond to maturity for its coupon, the debt fund taxation change gave you nothing. Coupon income and debt fund returns are both taxed at your slab rate. The 12.5% rate is worth having only when your return arrives as a capital gain, which means selling a listed bond at a profit after twelve months, or holding a listed zero-coupon bond.
Outside that, choose bonds vs debt mutual funds on the things tax never touched: A bond for a known date and amount is a fund for daily access and spread credit risk. The indexation benefit removed debt funds from one argument, not from the portfolio.
Sources
- Tax on debt funds, ClearTax
- Debt fund taxation in India, Finnovate
- Mutual fund taxation FY 2025-26, Finnovate
Disclaimer
Fixed returns do not constitute guaranteed or assured returns. Investments in corporate debt securities and municipal debt securities/securitized debt instruments are subject to credit risks, market risks, and default risks, including delay and/or default in payment. Read all the offer-related documents carefully. This blog/article should not be construed as financial advice or as an offer or recommendation to buy or sell any security or any products/services of/on GoldenPi or any product/services of its third-party client(s). For a detailed calculation of YTM, visit our website. T&C’s Apply.
