The story every fixed-income investor should read

Ravi and Neha both had ₹10 lakh sitting idle.

Ravi walked into his bank branch and locked it into a fixed deposit at 7.5%. Simple, familiar, done in 10 minutes. The relationship manager smiled and handed him a receipt.

Neha spent two evenings reading about bonds. She split her corpus part into tax-free bonds yielding 5.75%, part into corporate bonds yielding 8.5%. Not as convenient. A little more thought involved.

Twelve months later, the numbers told a different story.

Ravi's FD earned ₹75,000 in interest. But Ravi sits in the 30% tax bracket. After tax, he walked away with ₹51,750. His real return: 5.18%.

Neha's blended portfolio earned slightly less in gross interest. But after tax? She kept significantly closer to ₹65,000 on an equivalent deployment because a meaningful portion of her income was simply not taxable under the law.

Same market. Same year. Nearly ₹13,000 more in Neha's pocket.

This is not about exotic instruments or complex strategies. This is about one simple principle that most Indian retail investors still underestimate:

In fixed-income investing, what you earn matters. What you keep matters more.

Bond taxation in India is not a footnote. The difference between pre-tax and post-tax returns can easily exceed 2–3 percentage points annually for investors in higher tax brackets. It is the headline. And once you understand exactly how it works, you will never look at a coupon rate the same way again.

New to bond investing? Before understanding how bonds are taxed, it's helpful to learn the basics. Read our complete guide on Bonds Investment in India: The Complete Guide 2026 to understand how bonds work, the different types available, and how to get started.

Bond Taxation in India: Quick Summary

Quick Summary: How Are Bonds Taxed in India?

• Bond interest → Taxed at your income tax slab rate (in almost all cases)
• Listed bonds held >12 months → 12.5% LTCG (flat, no indexation)
• Listed bonds held ≤12 months → STCG at your slab rate
• Unlisted bonds held >24 months → 12.5% LTCG
• Unlisted bonds held ≤24 months → STCG at your slab rate
• Tax-free bonds → Interest fully exempt under Section 10; capital gains still taxable
• SGB maturity gains → Completely exempt if held to maturity by original subscribers (see Budget 2026 update below)
• Your post-tax return can differ significantly from the headline yield depending on your tax bracket and the type of bond you hold.

In India, bond taxation depends on:

• The type of bond (corporate, government, tax-free, SGB)
• Whether returns come from interest income or capital gains
• Whether the bond is listed or unlisted
• The holding period before sale

In general:

• Interest income is taxed at your income tax slab rate.
• Listed bonds held for more than 12 months attract 12.5% LTCG tax.
• Unlisted bonds generally require a 24-month holding period for LTCG treatment.
• Tax-free bonds provide exempt interest income.
• Sovereign Gold Bonds offer capital gains exemption at maturity for original subscribers.

Why Bond Taxation Matters More Than Yield

Most investors compare bonds by their coupon rate. This is approximately as useful as comparing cars by their sticker price without accounting for fuel costs, insurance, and maintenance.

The number that actually determines your wealth is post-tax yield what you retain after the tax authorities have taken their share.

Here is what the same rupee looks like across three different investments for a 30% bracket investor:

*Taxable equivalent yield = the gross yield a taxable instrument needs to match the tax-free bond's post-tax return for a 30% bracket investor: 5.75% ÷ (1 − 0.30) = 8.21%

That last row deserves attention. A tax-free bond yielding 5.75% is mathematically equivalent to a taxable instrument yielding 8.21% for someone in the 30% bracket. No taxable bond in India reliably offers that return with comparable credit quality.

The formula to compute taxable equivalent yield is:

Taxable Equivalent Yield = Tax-Free Yield ÷ (1 − Tax Rate)

• For a 5.75% tax-free bond: 5.75% ÷ (1 − 0.30) = 8.21%
• For someone in the 20% bracket: 5.75% ÷ 0.80 = 7.19%
• For someone in the 5% bracket: 5.75% ÷ 0.95 = 6.05% at which point a 7.5% taxable bond actually wins post-tax.

The optimal bond for you is not a universal answer. It depends entirely on your tax slab which is why understanding the mechanics of bond taxation is the first step, not the last.

How Bond Income Is Taxed in India: The Two Channels

Every bond you hold can generate returns in two distinct ways, and the tax treatment for each is entirely different.

Channel 1 Interest Income (Coupon): The periodic cash payments the bond issuer makes to you monthly, quarterly, semi-annual, or annual. This is treated as "income from other sources" under the Income Tax Act and taxed at your applicable slab rate in virtually all cases.

Channel 2 Capital Gains: If you sell the bond in the secondary market before it matures, and the sale price exceeds your purchase price, that profit is a capital gain. The tax rate here depends on how long you held the bond and whether it is a listed or unlisted instrument.

These two channels follow completely separate tax rules. Confusing them or assuming they follow the same logic is one of the most common and costly mistakes individual bond investors make.

Tax on Interest Income From Bonds

Corporate Bonds and NCDs

Interest earned on corporate bonds and Non-Convertible Debentures (NCDs) is added to your total income and taxed at your applicable slab rate. There is no separate concessional rate for bond interest; it is treated exactly like salary, rent, or any other income.

Illustrative impact across tax brackets (on ₹1 lakh interest income):

The effective difference between a 5% bracket investor and a 30% bracket investor is ₹25,000 on every ₹1 lakh of bond interest. On a ₹20 lakh bond portfolio generating 8% annual interest (₹1.6 lakh), that gap widens to ₹40,000 per year compounding year after year.

Government Securities (G-Secs, SDLs, RBI Bonds)

Interest income from Government Securities, State Development Loans, RBI Floating Rate Savings Bonds, and similar sovereign instruments is also taxed at the investor's slab rate. The government issues the bond; it does not exempt its own interest payments. If you are holding a 7.34% G-Sec and sitting in the 30% bracket, your post-tax yield is approximately 5.14%.

Tax-Free Bonds

This is where the calculus changes completely.

Certain government-backed entities NHAI, PFC, REC, IRFC, HUDCO, among others have historically issued bonds where the interest is fully exempt from income tax under Section 10 of the Income Tax Act. You do not add this interest to your total income. You do not pay tax on it. The coupon you receive is the coupon you keep.

These bonds are no longer issued regularly (the last major tranches came out between 2013 and 2016), but they trade actively in the secondary market. At current secondary market prices, yields range roughly between 4.5% and 5.5%, depending on the issuer and tenure. For high-bracket investors, these yields are the functional equivalent of taxable yields well above 7%, with AAA credit quality.

Critical note: The capital gains on tax-free bonds if you sell them before maturity in the secondary market are still fully taxable. The tax exemption covers interest income only.

Sovereign Gold Bonds (SGBs)

SGBs pay a fixed 2.5% per annum interest on the initial issue price. This interest is taxable at the investor's slab rate, just like any other bond interest.

The headline tax advantage of SGBs lies in capital gains, discussed in the next section.

Capital Gains Tax on Bonds in India

When you sell a bond before its maturity date, the profit you make Sale Price minus Purchase Price is a capital gain. This is subject to capital gains tax under the Income Tax Act.

The critical variables are:

• Whether the bond is listed or unlisted
• How long you held it (the holding period)

Capital Gains on Listed Bonds

Listed bonds are those traded on recognised stock exchanges (NSE or BSE) in India.

The Union Budget 2024 raised the LTCG rate on listed bonds from 10% to 12.5%, effective July 23, 2024. This rate was retained in Budget 2025 and applies for FY 2025-26 (AY 2026-27). No indexation benefit is available.

Practical example: You purchase a listed corporate bond at ₹95 and sell it 14 months later at ₹102. Your capital gain is ₹7 per unit. Tax payable: 12.5% of ₹7 = ₹0.875 per unit. If you held the same position for only 10 months, the ₹7 gain would be taxed at your slab rate potentially 30%, or ₹2.10 per unit. The difference in holding period cost you ₹1.225 per unit in additional tax.

Capital Gains on Unlisted Bonds

The rules for unlisted bonds differ from listed ones in a significant way.

The holding period threshold for LTCG treatment on unlisted bonds is 24 months, double that of listed bonds. This means you must hold an unlisted bond for two full years before qualifying for the 12.5% flat rate.

Important Section 50AA: Section 50AA treats gains from Market Linked Debentures and unlisted bonds/debentures as STCG irrespective of holding period. This removed the LTCG benefit that previously made MLDs popular tax-planning instruments, and also means unlisted bonds no longer benefit from the 24-month LTCG threshold. If you hold unlisted bonds or structured instruments, it is worth confirming how Section 50AA applies to your specific holding with a tax professional.

Taxation of Different Types of Bonds in India: The Complete Map

Corporate Bonds

Interest income: Taxed at slab rate. TDS at 10% deducted by issuer if annual interest exceeds ₹5,000 (for listed corporate bonds and debentures held in demat, this threshold is ₹10,000 per the Finance Act 2025 update). TDS is adjustable against total tax liability at ITR filing.

Capital gains: Follow listed or unlisted rules as applicable. Most actively traded corporate bonds are listed on NSE/BSE LTCG at 12.5% if held more than 12 months.

Government Securities (G-Secs and SDLs)

Interest income: Slab rate. No TDS is deducted on G-Sec interest for resident investors the interest arrives in your account in full, and you declare it while filing your ITR.

Capital gains: G-Secs are listed securities. STCG at slab rate if sold within 12 months; LTCG at 12.5% if sold after 12 months.

G-Secs are among the most straightforward bonds to hold from a tax perspective no TDS surprises, clearly defined rules, sovereign credit quality.

Treasury Bills (T-Bills)

T-Bills are zero-coupon instruments they pay no interest. Instead, they are issued at a discount to face value (say, ₹98) and redeemed at face value (₹100) upon maturity.

The ₹2 difference is the return. But here is the tax nuance: this return is treated as a capital gain, not interest income, when the T-Bill is sold or redeemed. Since T-Bills have maturities of 91 days, 182 days, or 364 days, all of which fall within the 12-month STCG window for listed securities, the gain is typically taxed at your slab rate. The effective tax treatment ends up similar to interest but the mechanism is different and worth understanding.

Sovereign Gold Bonds (SGBs)

SGBs have the most layered tax structure of any bond category in India.

Interest income: The 2.5% annual interest is taxable at slab rate.

Capital gains at maturity (held for 8 years): Completely exempt from capital gains tax for original subscribers. Zero. This is SGBs' structural advantage the gold price appreciation over 8 years comes to you entirely tax-free.

Capital gains on early redemption (RBI window, after Year 5): Also exempt from capital gains tax.

Capital gains on secondary market sale: If you sell SGBs in the secondary market before the maturity window, capital gains apply. SGBs held for more than 12 months attract LTCG at 12.5%; held for 12 months or less, STCG at slab rate.

⚠️ Important update Budget 2026: From April 1, 2026, the capital gains tax exemption at maturity applies only to original subscribers (investors who bought directly from the RBI at primary issuance) who hold continuously until maturity. If you purchased SGBs from the secondary market (NSE/BSE), capital gains on redemption are now taxable even if held to the full 8-year maturity. Additionally, premature RBI window redemptions (Year 5+) are no longer exempt for any holder after April 1, 2026. The 2.5% annual interest remains taxable at slab rate for all holders, unchanged.

Which Bonds Are Most Tax-Efficient? (Quick Reference by Bracket)

Before continuing through the remaining bond types, here is the practical summary most investors actually need:

This is not a prescription it is a framework. The right answer always depends on available yields, your holding horizon, and your full income picture for the year.

Tax-Free Bonds

Interest income: Fully exempt under Section 10. No tax. No TDS deducted by the issuer. The gross coupon is what you receive and keep.

Capital gains: Fully taxable. If you sell a tax-free bond in the secondary market at a profit, STCG or LTCG rules for listed securities apply. The exemption does not extend to capital appreciation.

RBI Floating Rate Savings Bonds

These bonds currently offering 8.05% (linked to NSC rate + 35 bps, subject to periodic resets) are for resident Indians only and cannot be traded in the secondary market. There is no secondary market, which means no capital gains scenario.

Interest is taxable at slab rate. TDS applies.

Because there is no secondary market, they do not offer liquidity. They are essentially a savings product with a 7-year lock-in.

Municipal Bonds

India's municipal bond market remains small but growing, with issuances from cities like Pune, Hyderabad, and Indore. Interest on municipal bonds is taxable at slab rate. Capital gains follow listed security rules (most are exchange-listed).

There is no federal tax exemption on municipal bond interest in India, unlike in the United States a distinction worth flagging for investors comparing global fixed-income structures.

NCDs (Non-Convertible Debentures)

NCDs are corporate bonds by another name debt instruments that cannot be converted into equity. Tax treatment is identical to corporate bonds.

Interest: Slab rate. TDS applies: since April 1, 2023, the Finance Act removed the earlier exemption that existed for listed NCDs held in demat form. TDS at 10% is now deducted on listed NCDs where annual interest exceeds ₹10,000.

Capital gains: Listed NCDs follow the 12-month rule (LTCG at 12.5%); unlisted NCDs are subject to Section 50AA (STCG at slab rate irrespective of holding period).

TDS on Bonds: Do Investors Need to Worry?

TDS (Tax Deducted at Source) on bond interest is one of the most misunderstood areas among individual investors. Here is what you actually need to know.

When TDS applies:

• Corporate bonds and listed NCDs: 10% TDS on annual interest exceeding ₹10,000 (updated threshold as per Finance Act 2025 for listed securities)
• Unlisted NCDs and debentures: 10% TDS under Section 194A if annual interest exceeds ₹10,000
• RBI Floating Rate Savings Bonds: TDS applies

When TDS does not apply:

• Government Securities (G-Secs, SDLs): No TDS for resident investors
• Tax-Free Bonds: No TDS (interest is exempt under Section 10)
• Sovereign Gold Bonds: TDS under Section 193 does not apply to SGB interest interest is paid in full
• Small interest amounts below the applicable threshold

The important nuance many investors miss:

TDS is not your final tax liability. It is an advance payment toward your total tax. If your marginal rate is 30% and TDS was deducted at 10%, you owe additional tax at ITR filing. If TDS was deducted at 10% but you are in the 5% slab, you are entitled to a refund.

The way to track this is through your Form 26AS and Annual Information Statement (AIS), both available on the income tax portal. Every TDS deduction made against your PAN is reflected here. Cross-checking these statements before filing your ITR is essential discrepancies between what the issuer deducted and what your AIS shows can trigger notices.

Submitting Form 15G or 15H:

If your total income is below the basic exemption limit and you do not expect to owe any tax, you can submit Form 15G (for individuals below 60) or Form 15H (for senior citizens) to the bond issuer, requesting that TDS not be deducted. This is allowed where applicable but only if the income genuinely does not attract tax liability.

Note: Form 15G also requires that your estimated total interest income for the year does not exceed the basic exemption limit not just your total income. Submitting it incorrectly can attract penalties.

Bond Taxation vs Fixed Deposits: Which Is More Tax-Efficient?

This is the question most Indian investors actually want answered. Let us look at it honestly.

*FD TDS threshold: ₹40,000 for regular investors; ₹50,000 for senior citizens (Finance Act 2025).

For investors in the 30% tax bracket, tax-free bonds and SGBs (held to maturity by original subscribers) consistently outperform FDs and corporate bonds on a post-tax basis, even when gross yields look lower.

For investors in the 5% or nil tax bracket, corporate bonds and FDs are more competitive the tax differential is small, and the higher gross yield on corporate bonds may actually deliver better post-tax outcomes than tax-free bonds.

There is no universally superior product. The right answer depends on your tax situation.

How to Calculate Post-Tax Bond Returns: The Formula Every Investor Should Know

The post-tax yield formula is simple:

To compare a tax-free instrument with a taxable one, use the taxable equivalent yield formula:

Taxable Equivalent Yield = Tax-Free Yield ÷ (1 − Tax Rate)

Example: A tax-free bond at 5.50% for a 30% bracket investor: 5.50% ÷ 0.70 = 7.86%

This means you would need a taxable instrument yielding 7.86% just to match the after-tax outcome of the tax-free bond before accounting for credit risk differences.

Print this page. Write these formulas down. Use them every time you compare bond options.

Tax-Saving Strategies Bond Investors Should Know

Note: The following is educational context, not personalised tax advice. For advice specific to your situation, consult a qualified tax professional or chartered accountant.

1. Evaluate tax-free bonds for high-bracket investors

If you are in the 30% bracket, every percentage point of interest income you earn from a taxable bond costs you 30 paise in tax. Tax-free bonds eliminate this entirely. The secondary market offers access to NHAI, PFC, REC, and IRFC tax-free bonds though liquidity can be thinner than the listed corporate bond market.

2. Consider holding SGBs to maturity (original subscribers)

The 8-year full redemption exemption on SGB capital gains remains one of the most structurally sound tax advantages in Indian fixed income but from April 1, 2026, it applies only to investors who subscribed directly from the RBI at primary issuance. Gold price appreciation over 8 years, arriving tax-free, is a meaningful benefit particularly for investors who want gold exposure anyway and can commit to the horizon.

3. Focus on post-tax yield, not coupon rate

A bond with a 9% coupon is not automatically better than one with a 7% coupon. Run the post-tax numbers. The answer may surprise you.

4. Leverage holding periods for listed bonds

For listed corporate bonds or G-Secs where capital appreciation is likely for example, if you are buying in a high-rate environment and expect rates to fall holding for more than 12 months qualifies your capital gain for the 12.5% LTCG rate rather than your marginal slab. When the RBI is in a rate-cutting cycle, bond prices rise. Buying longer-duration listed bonds before rate cuts and holding for 12+ months can convert gains into LTCG taxed at 12.5% significantly less than the slab rate applicable to equivalent interest income.

5. Track TDS against your AIS

If TDS has been deducted at 10% but your marginal rate is 5% or nil, you are entitled to claim a refund. Do not leave it on the table. Cross-check Form 26AS and AIS before filing.

6. Diversify across tax treatments

A well-structured fixed-income portfolio can include a mix of tax-free bonds (exempt interest), G-Secs (slab rate, no TDS hassle), and SGBs (maturity exemption for original subscribers) creating layered tax efficiency rather than concentrating all exposure in a single tax treatment.

Common Bond Tax Mistakes Indian Investors Make

1. Looking only at the coupon rate The number on the bond certificate is the number before the government takes its share. Always run the post-tax calculation.

2. Assuming all bonds follow the same tax rules they do not. A listed G-Sec, an unlisted NCD, a tax-free NHAI bond, and an SGB follow four entirely different tax regimes. Treating them as equivalent is a material error.

3. Forgetting the SGB maturity exemption and who qualifies? Many investors sell SGBs in the secondary market before maturity to capture capital appreciation triggering a taxable event. From April 1, 2026, secondary market buyers no longer qualify for the exemption even at maturity. If the 8-year redemption window is accessible and you are an original subscriber, comparing the post-tax outcomes of selling versus holding to maturity is essential.

4. Ignoring TDS on listed NCDs Since April 2023, the old exemption for listed NCDs held in demat is gone. If you hold NCDs that pay more than ₹10,000 in annual interest, TDS will be deducted. Investors who were accustomed to receiving full coupon payments without TDS should audit their current holdings.

5. Comparing pre-tax FD returns with bond coupon rates This is the most pervasive mistake in Indian retail finance. An FD at 7.5% and a corporate bond at 7.5% are not equivalent. Both face slab-rate taxation on interest but the FD typically has no capital gains dimension, while the bond may. And a tax-free bond at 5.5% beats both of them post-tax for investors in higher brackets.

6. Not filing ITR to claim TDS refunds TDS deducted does not automatically create a refund. You must file your ITR and claim excess TDS. Many investors in lower brackets lose money by not filing leaving their own tax refunds unclaimed.

7. Ignoring capital losses from bond sales and missing tax-loss harvesting opportunities Capital losses from bonds sold at a loss can be set off against capital gains (with applicable rules on cross-asset netting). Proactive tax-loss harvesting particularly near financial year-end can reduce your overall capital gains tax liability.

Common Questions Investors Ask About Bond Taxation

These are the real questions that come up when investors are actually comparing products and making decisions not textbook queries, but the ones with genuine stakes behind them.

"Should I choose tax-free bonds or high-yield corporate bonds?"

It depends entirely on your tax bracket. The question to ask is not "which has the higher coupon?" but "which leaves more money in my account after tax?"

For a 30% bracket investor comparing a 5.5% tax-free bond with a 9% corporate bond: the tax-free bond's taxable equivalent yield is 7.86% (5.5% ÷ 0.70). The corporate bond's post-tax yield is 6.30% (9% × 0.70). The tax-free bond wins despite the lower gross yield.

For a 5% bracket investor making the same comparison: the tax-free bond yields 5.5% post-tax; the corporate bond yields 8.55% post-tax (9% × 0.95). The corporate bond wins decisively.

The decision flips based on your bracket. Always run the post-tax numbers before comparing.

"Is 8% taxable better than 5.5% tax-free?"

For most retail investors in India specifically, anyone in the 20% bracket or above the answer is no.

• Post-tax yield on 8% taxable at 20% bracket: 8% × 0.80 = 6.40%
• Post-tax yield on 8% taxable at 30% bracket: 8% × 0.70 = 5.60%
• Post-tax yield on 5.5% tax-free: 5.50% (same for all brackets)

At 20%, the 8% taxable bond still edges out but only by 90 basis points, and corporate bonds carry higher credit risk than AAA-rated PSU tax-free bonds. At 30%, the taxable bond offers only 10 basis points of post-tax advantage for meaningfully more credit risk. That tradeoff rarely makes sense.

"Should I hold SGBs till maturity?"

This now depends on how you acquired your SGBs, a critical change from Budget 2026.

If you subscribed directly at RBI primary issuance: yes, the tax math remains compelling. Hold to maturity and the full gold price appreciation is tax-free.

If you purchased SGBs from the secondary market (NSE/BSE): the maturity exemption no longer applies from April 1, 2026. Capital gains on redemption will be taxable at LTCG rates. In this case, the case for holding to maturity is weaker run the post-tax numbers against your specific acquisition price and holding period.

For original subscribers, the comparison still holds: selling early in the secondary market triggers a taxable event, while holding to the 8-year maturity gives you the full gain tax-free. For large positions, the tax exemption can be worth several percentage points of effective return.

"Do I have to pay tax if I don't sell my bonds?"

Two separate rules apply:

Interest: Taxed at your slab rate in the year received whether or not you sell.

Capital gains: No tax event until you sell or the bond matures at a price above your purchase price. Simply holding a bond that has appreciated in value does not create a taxable event.

This distinction matters: an investor who buys a bond and holds it to maturity will owe income tax on every coupon payment received along the way, but will owe no capital gains tax on the difference between purchase price and face value at redemption provided the bond was purchased at or below face value. If purchased at a discount in the secondary market, the discount itself may have capital gains implications.