Understanding Elimination of Indexation Benefit on Debt Mutual Funds

Understanding elimination of indexation benefit on debt mutual funds starts with two dates: from 1 April 2023, gains on newly bought debt funds are taxed at your slab rate with no long-term treatment, and from 23 July 2024, indexation is gone for every debt fund redemption, including older units that now get a flat 12.5% after 24 months. This is general information, not tax advice, and the sources I read disagree on a few details.

Quick Facts

What Indexation Was

It adjusted your cost for inflation.

• Indexation let investors adjust the purchase price of debt fund units for inflation before computing capital gains, according to Axis Max Life
• Under the old system, long-term gains on debt funds held over 36 months were taxed at 20% with indexation
• It often shrank the taxable gain heavily, which is why debt funds were attractive to investors in higher slabs

Step One: April 2023

The Finance Act 2023 ended long-term treatment for most debt funds.

• It inserted Section 50AA from 1 April 2023, which treats gains on specified mutual funds as short-term whatever the holding period
• Those gains are taxed at your income-tax slab rate, with no indexation and no long-term benefit
• It applies only to units bought on or after that date, according to DSP
• Kuvera says the aim was to align debt funds with fixed deposits, both being taxed at slab rate

Who Counts as a Specified Fund

The definition changed, and sources differ.

• The original rule covered funds holding up to 35% in domestic equity, according to DSP and Axis Max Life
• Several 2026 guides say specified funds are now those holding more than 65% in debt and money market instruments, from FY 2025-26, according to Patron Accounting and Taxgarden
• Funds between the two, such as some hybrids and multi-asset funds, may fall outside Section 50AA, so check your fund’s classification

Step Two: July 2024

The second change removed indexation more broadly.

• The Finance (No. 2) Act, 2024 removed indexation for transfers on or after 23 July 2024, according to Bajaj Finserv
• It also cut the long-term holding period for these units to 24 months
• Units bought before 1 April 2023 now qualify for 12.5% without indexation if held for more than 24 months, instead of 20% with indexation after 36 months
• Patron Accounting stresses that the 2023 change, not the 2024 one, ended long-term treatment for newer purchases, so the 2024 change only affects pre-April 2023 units

What Changed for Older Units

Gains are taxed more simply, sometimes at a higher cost.

• A unit bought before 1 April 2023 and sold before 23 July 2024 could still use 20% with indexation after 36 months
• A unit sold after that date gets 12.5% without indexation, and the earlier 20% with indexation shouldn’t be used, according to Bajaj Finserv
• If held for 24 months or less, gains are short-term and taxed at slab rate
• One page lists 36 months for the old units even at 12.5%, which conflicts with the other sources, so I’ve used 24 months

A Hypothetical Comparison

Numbers show why it matters, using assumed values.

• Suppose you invested ₹10 lakh in a debt fund before April 2023, and it’s worth ₹13 lakh when you sell
• Assume indexation would have lifted your cost by about 14% to ₹11.4 lakh, which is an illustrative figure, not an official index
• Old rule: gain of ₹1.6 lakh at 20% is ₹32,000
• New rule: gain of ₹3 lakh at 12.5% is ₹37,500, so about ₹5,500 more
• Actual numbers depend on the official inflation index for your purchase and sale years

What Changed for New Money

The bigger impact falls on newer investors.

• A ₹3 lakh gain on a fund bought after 1 April 2023 is taxed at slab rate, which is ₹90,000 at the 30% slab, before cess, my arithmetic
• The same gain at 12.5% would be ₹37,500, so a 30%-slab investor pays ₹52,500 more
• For an investor in a lower slab, the tax can be lower, so the effect depends on your bracket
• No special long-term rate and no indexation apply, whatever the holding period

Debt Funds Versus Fixed Deposits

The comparison changed.

• Both are now taxed at slab rate, according to Kuvera
• One difference remains in timing: FD interest is taxed each year as it accrues, while a debt fund’s gain is taxed when you redeem, which defers the tax. That’s my analysis, not a claim from the sources
• Returns, risk and liquidity should drive the choice more than tax alone

Other Fund Types

The rules differ outside debt funds.

• Equity-oriented funds are taxed at 12.5% on long-term gains above ₹1.25 lakh a year and 20% on short-term gains
• Hybrid funds with 35% to 65% equity are taxed at 12.5% after 24 months, according to Toolisky
• Gold and international fund-of-funds not covered by Section 50AA get 12.5% after 24 months for unlisted units, and listed units like gold ETFs after 12 months, according to Finnovate

Where the Sources Disagree

A few points need care.

• The definition of a specified fund: 35% equity or less in older guides and more than 65% debt in newer ones
• The long-term holding period for older units: 24 months in most sources and 36 months in one
• Whether Budget 2026 changed anything, with one guide saying no new impact and another headline referring to “Budget 2026 impact” without specifics
• The Income-tax Act, 2025 may renumber sections, but the guides I found describe rates as unchanged

FAQs

Q1. Is indexation available on debt mutual funds?

No. It’s unavailable for any debt fund redemption on or after 23 July 2024, according to Kuvera and Bajaj Finserv.

Q2. How are debt funds bought after April 2023 taxed?

Gains are treated as short-term and taxed at your slab rate, whatever the holding period, under Section 50AA.

Q3. What about debt funds bought before April 2023?

If held over 24 months and sold on or after 23 July 2024, gains are taxed at 12.5% without indexation, and otherwise at slab rate.

Q4. Why was indexation removed?

To align debt funds with fixed deposits, which are taxed at slab rate, according to Kuvera, and in July 2024 as part of a wider removal for many assets.