Tax-Loss Harvesting in India: When and How to Offset Capital Gains

Every March, business investors in India scramble to find ways to reduce their capital gains tax bill. The most effective and legally sound method is tax-loss harvesting, a strategy where you sell underperforming investments to realize capital losses, then use those losses to offset gains from profitable trades. With short-term capital gains (STCG) on equity taxed at 20% and long-term capital gains (LTCG) at 12.5% above the ₹1.25 lakh exemption, the tax savings from a well-executed harvesting strategy can run into lakhs for active investors. India's tax code makes this strategy even more powerful because, unlike the United States, there is no wash sale rule preventing you from immediately repurchasing the same securities. This guide breaks down the complete set-off hierarchy, carry-forward rules, practical calculations, and year-end execution strategies for business investors who want to keep more of their investment returns.

What Is Tax-Loss Harvesting?

Tax-loss harvesting is the practice of selling investments that are currently trading below your purchase price to create a realized capital loss on your tax return. This realized loss is then used to offset realized capital gains from other investments, reducing your total taxable capital gains for the financial year. The net effect is a lower income tax liability without necessarily changing your long-term investment exposure.

For example, if you earned ₹5,00,000 in short-term capital gains from selling Stock A, and you hold Stock B that is currently sitting at a loss of ₹3,00,000, you can sell Stock B to realize the loss. Your taxable STCG drops from ₹5,00,000 to ₹2,00,000, saving you ₹60,000 in taxes at the 20% STCG rate. If you still believe in Stock B's long-term potential, you can repurchase it immediately since India does not have a wash sale rule.

This is not tax evasion. The set-off provisions under Sections 70 to 74 of the Income Tax Act explicitly authorize this adjustment. Every chartered accountant and tax professional uses these rules during year-end planning. The strategy is most impactful for business investors, promoters, and HNIs who have significant capital gains from multiple asset classes.

Capital Gains Tax Rates in India (Post Budget 2024)

Before diving into the harvesting mechanics, you need to understand the current capital gains tax rates that determine how much you save through loss harvesting. The Union Budget 2024 revised these rates significantly.

The 20% STCG rate on listed equity and 12.5% LTCG rate are the numbers that make tax-loss harvesting worthwhile. Every ₹1 lakh of capital loss you realize can save you ₹20,000 (STCG) or ₹12,500 (LTCG) in taxes, depending on the type of gain being offset.

Set-Off Rules: How Capital Losses Offset Gains

The Income Tax Act prescribes a strict hierarchy for setting off capital losses against capital gains. Understanding this hierarchy is the foundation of any effective tax-loss harvesting strategy. The rules operate in two stages: intra-head set-off (within capital gains) and the restriction on inter-head set-off (capital losses cannot cross over to other income heads).

Intra-Head Set-Off Under Sections 70 and 71

The critical takeaway: STCL is more versatile than LTCL. Short-term capital losses can absorb any type of capital gain, while long-term capital losses are restricted to offsetting only long-term capital gains. This asymmetry means that when you have a choice between harvesting a short-term loss or a long-term loss, the short-term loss provides greater tax flexibility.

The Inter-Head Restriction

Capital losses cannot be set off against salary, business income, rental income, or income from other sources. This is a hard boundary in Indian tax law. If your only income for the year is a ₹10,00,000 salary and you realize a ₹3,00,000 capital loss from equity sales, that loss does not reduce your salary tax. The loss can only be carried forward for set-off against future capital gains.

Carry-Forward Rules: Section 74

When your capital losses for the year exceed your capital gains, the excess loss does not disappear. Under Section 74 of the Income Tax Act, unabsorbed capital losses can be carried forward to subsequent assessment years and set off against capital gains in those years. The carry-forward period is 8 assessment years from the year in which the loss was first computed.

Carry-Forward Conditions

• Mandatory timely filing: The income tax return for the loss year must be filed on or before the due date under Section 139(1). A belated return under Section 139(4) does not preserve the carry-forward right. This is non-negotiable.
• 8-year window: Carried-forward STCL retains its character and can be set off against STCG or LTCG in subsequent years. Carried-forward LTCL can only be set off against LTCG in subsequent years.
• FIFO application: Losses from the earliest year are set off first. If you have carried-forward losses from AY 2025-26 and AY 2026-27, the 2025-26 losses are utilized before the 2026-27 losses.
• No partial set-off rollover: If only a portion of the carried-forward loss is absorbed in a year, the remaining balance continues to carry forward within the 8-year limit.

India's Advantage: No Wash Sale Rule

In the United States, the Internal Revenue Code Section 1091 disallows a capital loss if the taxpayer purchases "substantially identical" securities within 30 days before or after the sale. This is called the wash sale rule, and it prevents American investors from booking a loss on paper while maintaining the same economic exposure.

India has no equivalent wash sale rule. Indian tax law does not prohibit repurchasing the same security immediately after selling it to book a loss. You can sell 1,000 shares of Reliance Industries on March 28 to realize a ₹2,00,000 short-term loss, and buy back the same 1,000 shares of Reliance Industries on March 28 or March 29, and the loss is fully valid for set-off purposes.

This absence of a wash sale rule makes tax-loss harvesting in India significantly more straightforward and powerful than in the US. However, two guardrails exist:

• GAAR provisions: The General Anti-Avoidance Rules (Chapter X-A, now redesignated under the Income Tax Act 2025) can be invoked if the Assessing Officer determines that a transaction's main purpose was to obtain a tax benefit with no genuine economic substance. In practice, GAAR has been applied very rarely to individual stock transactions, but it remains a theoretical risk for highly artificial arrangements.
• Transaction costs: Every buy-sell cycle involves brokerage, Securities Transaction Tax (STT), stamp duty, GST on brokerage, and exchange fees. These costs are real and should be factored into the tax savings calculation. A harvest that saves ₹5,000 in tax but costs ₹6,000 in transaction fees is counterproductive.

Practical Calculation: Tax-Loss Harvesting Example

Here is a step-by-step example showing how tax-loss harvesting works for a business investor with multiple equity positions.

Scenario

Rahul, a promoter of a private limited company, has the following capital gains and losses in FY 2025-26:

Without Tax-Loss Harvesting

• STCG tax: ₹6,00,000 x 20% = ₹1,20,000
• LTCG tax: (₹3,50,000 - ₹1,25,000 exemption) = ₹2,25,000 x 12.5% = ₹28,125
• Total tax on capital gains: ₹1,48,125

With Tax-Loss Harvesting

Rahul sells Stock X (STCL of ₹4,00,000) and Stock Y (LTCL of ₹1,50,000) before March 31.

Step 1: Set off STCL against STCG

₹6,00,000 STCG - ₹4,00,000 STCL = ₹2,00,000 net STCG

Step 2: Set off LTCL against LTCG

₹3,50,000 LTCG - ₹1,50,000 LTCL = ₹2,00,000 net LTCG

Step 3: Calculate tax

• STCG tax: ₹2,00,000 x 20% = ₹40,000
• LTCG tax: (₹2,00,000 - ₹1,25,000 exemption) = ₹75,000 x 12.5% = ₹9,375
• Total tax on capital gains: ₹49,375

Tax-Loss Harvesting: Equity vs Mutual Funds

The mechanics differ slightly between direct equity and mutual fund investments, and the differences matter for execution timing and cost efficiency.

Direct Equity (Stocks)

• Execution: Sell on the exchange during market hours. Loss is recognized on the trade date (T day).
• Repurchase: Can buy the same stock on the same day (intraday does not qualify; the sell must be a delivery trade). Buy the next day for a clean audit trail.
• Transaction costs: Brokerage (₹20 flat per order with discount brokers), STT (0.1% on sell side for delivery), stamp duty, GST on brokerage.
• FIFO rule: If you hold multiple lots of the same stock at different costs, the first-in-first-out method applies. Sell the lot that generates the maximum loss.

Equity Mutual Funds

• Execution: Redeem units through the AMC or platform. NAV as of the redemption date applies.
• Repurchase: Can reinvest in the same fund the next day, or switch to a different fund in the same category to maintain market exposure during the settlement gap.
• Transaction costs: Exit load (nil for most equity funds after 1 year; 1% for some funds if redeemed within 1 year), STT (0.001% on equity fund redemption), stamp duty.
• SIP investors: Each SIP installment creates a separate lot with its own acquisition date and cost. You can selectively redeem loss-making lots by specifying FIFO or specific lot redemption.

Debt Mutual Funds (Post April 2023)

For debt mutual funds purchased after April 1, 2023, gains are taxed at the investor's slab rate regardless of holding period. There is no LTCG benefit. Harvesting losses on debt funds is particularly valuable for investors in the 30% tax bracket, since each ₹1 lakh of loss saves ₹30,000 in tax (compared to ₹12,500 on equity LTCG).

Year-End Tax-Loss Harvesting Strategy

Timing and execution discipline determine whether your tax-loss harvesting delivers maximum benefit or falls short. Here is the step-by-step approach for the March year-end window.

Step 1: Review Your Portfolio by February

By the first week of February, download your complete capital gains statement from your broker and mutual fund platforms. Identify all realized gains (STCG and LTCG) for the financial year to date. Calculate the tax liability if you take no further action. This is your baseline number.

Step 2: Identify Harvesting Candidates

From your unrealized positions, identify securities that are trading below your cost of acquisition. Sort them by:

• Loss amount: Prioritize positions with larger unrealized losses.
• Holding period: Determine whether each loss is short-term or long-term. Remember: STCL is more flexible than LTCL for set-off.
• Conviction level: If you believe the stock will recover, plan to repurchase. If you no longer have conviction, the harvest serves double duty as portfolio cleanup.

Step 3: Calculate Net Benefit After Costs

For each candidate, calculate: Tax savings from loss realization minus total transaction costs (brokerage + STT + stamp duty + GST + exit load). If the net benefit is positive, the harvest is worth executing. If costs exceed savings, skip that position.

Step 4: Execute Before March 25

Do not wait until March 31. Stock exchanges may have settlement holidays, corporate actions, or trading halts in the last week. Execute your harvesting trades by March 25 to avoid settlement risk. For mutual funds, submit redemption requests by March 28 to ensure the NAV of the current financial year applies.

Step 5: Repurchase and Document

If you want to maintain the same exposure, repurchase the securities the next trading day. Maintain a detailed record linking the sell trade to the buy trade, including contract notes, timestamps, and the tax rationale. This documentation protects you in case of a future assessment query.

LTCG Harvesting: The ₹1.25 Lakh Annual Reset Strategy

Tax-loss harvesting has a lesser-known companion strategy: LTCG harvesting. This involves selling profitable long-term equity holdings each year to realize gains up to the ₹1.25 lakh tax-free exemption limit, and then repurchasing the same shares. This resets your cost of acquisition to the current market price, reducing future LTCG when you eventually sell.

How It Works

1. Calculate your unrealized LTCG on listed equity holdings that have been held for over 12 months.
2. Sell enough shares to realize LTCG of approximately ₹1.25 lakh (staying within the tax-free limit).
3. Repurchase the same shares immediately (no wash sale rule applies).
4. Your new cost of acquisition is the repurchase price. Future gains are measured from this higher base.

This strategy is especially powerful for long-term investors who hold concentrated equity positions for years. Without annual LTCG harvesting, a stock bought at ₹100 and eventually sold at ₹500 creates a ₹400 taxable gain per share. With annual harvesting, you have incrementally reset the cost base each year, and the eventual taxable gain is significantly lower.

Combine this with tax-loss harvesting: use losses to offset gains beyond the ₹1.25 lakh exemption, and use the exemption to harvest gains tax-free. Together, these strategies form a comprehensive capital gains management framework.

When NOT to Harvest Tax Losses

Tax-loss harvesting is not always the right move. Here are situations where the strategy can backfire or produce suboptimal outcomes.

• Transaction costs exceed tax savings: If the total round-trip cost of selling and repurchasing a position exceeds the tax benefit, the harvest destroys value. This is common for small loss positions under ₹25,000 where the tax saving is ₹2,500-₹5,000 but brokerage and STT eat into it.
• No gains to offset: If you have no realized capital gains during the year and do not expect any gains in the next 8 years, harvesting losses creates a carried-forward loss that may expire unused. The transaction costs are incurred for no benefit.
• Gains within ₹1.25 lakh LTCG exemption: If your total LTCG for the year is below ₹1.25 lakh, it is already tax-free. Harvesting additional losses to offset zero-tax gains is unnecessary.
• Strong recovery expected: If you believe a stock is temporarily undervalued due to market conditions and is likely to recover sharply, selling to book a loss and repurchasing creates an unnecessary audit trail. While the wash sale rule does not apply, repeated sell-and-repurchase patterns on the same stock in large volumes could attract scrutiny.
• ELSS lock-in period: Units under the 3-year ELSS lock-in cannot be redeemed regardless of how large the unrealized loss is.
• Exit loads on mutual funds: Equity mutual funds often charge a 1% exit load on redemptions within 1 year. For a ₹5,00,000 redemption, the exit load is ₹5,000. Factor this into your net benefit calculation.

Record-Keeping Requirements

Tax-loss harvesting increases your documentation burden. During an assessment or scrutiny, the Assessing Officer may question the genuineness of your transactions. Having organized records is your best defense.

Documents to Maintain

• Contract notes: For every buy and sell transaction from your broker. These show the trade date, price, quantity, brokerage, and STT paid.
• Demat holding statements: Monthly or quarterly statements from your depository participant showing holdings before and after the harvest.
• Mutual fund statements: Consolidated Account Statements (CAS) from CAMS/KFintech showing all redemptions and reinvestments with NAVs and lot details.
• Capital gains computation: A working sheet showing how you computed each gain or loss, the set-off applied, and the carry-forward balance. Your CA should prepare this as part of your ITR filing.
• Cost of acquisition proof: For unlisted shares, maintain valuation reports and board resolutions. For listed shares, contract notes from the original purchase suffice.

Maintain these records for at least 8 years from the end of the assessment year in which the loss was first claimed. If you carry forward losses, the retention period extends from the year the loss is finally set off. Digital storage with proper backups is recommended.

Tax-Loss Harvesting for Business Entities

Tax-loss harvesting is not limited to individual investors. Companies, LLPs, partnership firms, and HUFs can all use this strategy on their investment portfolios.

Private Limited Companies

Companies that hold equity investments as part of their treasury or surplus management can harvest losses to offset capital gains taxed at the corporate rate. For companies under the 22% concessional rate (Section 115BAA), every ₹1 lakh of STCG offset saves approximately ₹22,000 in corporate tax. The company's board should approve the harvesting transactions in the board minutes, and the CFO or Virtual CFO should coordinate with the CA for proper ITR reporting.

LLPs and Partnership Firms

LLPs and firms are taxed at 30% on income other than capital gains. Capital gains from their investment portfolios follow the same set-off rules as individuals. The designated partner is responsible for ensuring timely ITR filing to preserve carry-forward rights.

HUFs

Hindu Undivided Families are separate taxable entities with their own capital gains exemptions and slab rates. HUF investment portfolios are independent of the karta's personal portfolio, providing an additional channel for tax-loss harvesting across the family's aggregate investments.

Common Mistakes in Tax-Loss Harvesting

Even experienced investors make errors that reduce or eliminate the benefit of tax-loss harvesting. Here are the most common ones.

1. Missing the ITR due date: The single most expensive mistake. If you realize and report capital losses but file the return after the due date under Section 139(1), the carry-forward right is permanently lost. No revised return or condonation can fix this.
2. Ignoring the FIFO rule: When you hold multiple lots of the same stock purchased at different prices, selling follows the first-in-first-out method. Your oldest lot may actually be in profit even if your average cost shows a loss. Calculate lot-wise gains before executing.
3. Harvesting during ex-dividend dates: Selling a stock just before the ex-dividend date means missing the dividend. If the dividend income would have been more valuable than the tax saving from the loss, the harvest is a net negative.
4. Forgetting transaction costs: Brokerage, STT, stamp duty, GST, and DP charges add up. For a ₹10 lakh sell-and-repurchase cycle, total costs can be ₹3,000-₹5,000. Include these in every calculation.
5. Not documenting the rationale: In a scrutiny assessment, the AO may ask why you sold and repurchased the same stock within days. A documented investment rationale (tax planning under Sections 70-74) is a valid defense, but you need to have it on record.
6. Incorrect Schedule CG reporting: Reporting harvested losses in the wrong section of the ITR, or failing to fill Schedule CYLA/BFLA for carry-forward, means the loss is not recognized by the CPC during processing. This results in higher tax demand notices.

Summary

Tax-loss harvesting is one of the most effective, legal, and underused tax planning strategies available to Indian business investors. The combination of 20% STCG and 12.5% LTCG rates, the generous 8-year carry-forward window under Section 74, and the absence of a wash sale rule creates an environment where disciplined year-end harvesting can save lakhs in taxes annually. The rules are straightforward: STCL offsets any capital gain, LTCL offsets only LTCG, file your ITR on time to preserve carry-forward rights, and always calculate net benefit after transaction costs. Whether you invest through direct equity, mutual funds, or a company treasury portfolio, the set-off mechanics apply equally. Start reviewing your portfolio in February, execute by March 25, repurchase what you believe in, and document everything. The tax code gives you the tools. Use them.