How to Do Tax Loss Harvesting Before March 31

As the financial year ending is just a month away, most Indian investors shift their focus toward saving taxes. Though many of them look at traditional options like ELSS funds or insurance, there is a powerful, often overlooked strategy sitting right in your brokerage account. It is nothing but tax loss harvesting.

Are you one of those investors who have realized profits from stocks or mutual funds this year? If yes, you might be worried about a significant tax bill. However, by strategically using tax loss harvesting before March 31, you can offset those gains against your losses, effectively reducing your tax liability. In this guide, we walk you through everything you need to know to execute this strategy effectively.

Join our Online Course and Learn Stock Marketing the Right Way. Enrol Now!

What is Tax Loss Harvesting?

Tax loss harvesting is the practice of selling securities like stocks or mutual fund units that are currently trading at a loss to “realize” that loss. As per the Indian Income Tax laws, these realized losses can be used to cancel out the realized profits (capital gains) you earned from other investments during the same financial year.

Think of it as a way to find a silver lining in an underperforming investment. Instead of letting a “paper loss” just sit in your portfolio, you use it to lower the amount of tax you owe the government.

The Logic of “Paper” vs. “Realized”

• Paper Loss: You bought a stock at ₹1,000, and it is now trading at ₹800. You have an unrealized loss of ₹200. This has no tax benefit yet.
• Realized Loss: You sell that stock at ₹800. Now, you have a “realized” loss of ₹200, which you can officially report in your Income Tax Return (ITR) to offset gains.

The Deadline of March 31st

For your information, In India, the financial year runs from April 1 to March 31. To lower your tax bill for the current assessment year, you must complete the transaction within this window.

If you wait until April 1 to sell your loss-making shares, that loss can only be used for the next financial year. This is why executing tax loss harvesting before March 31 is critical for immediate tax relief. Keep in mind that stock market settlements (T+1) mean you shouldn’t wait until the very last hour of March 31; it is safer to complete your trades a few days in advance.

Understanding the Rules of the Game

To harvest losses correctly, you must understand how the Income Tax Department categorizes capital gains and losses.

1. Short-Term vs. Long-Term

The tax treatment depends on how long you held the asset:

• Equity Shares & Equity Mutual Funds:  Short-Term (STCG): Held for 12 months or less. Taxed at 20%.
  • Long-Term (LTCG): Held for more than 12 months. Taxed at 12.5% on gains exceeding ₹1.25 lakh.
• Debt Mutual Funds: Since April 1, 2023, most debt fund gains are treated as short-term and taxed as per your income tax slab, irrespective of the holding period.

2. The Set-Off Rules

You cannot just mix any loss with any gain. There are specific “buckets”:

• Short-Term Capital Loss (STCL): These are flexible. You can use them to offset both Short-Term Capital Gains and Long-Term Capital Gains.
• Long-Term Capital Loss (LTCL): These are restrictive. They can only be used to offset Long-Term Capital Gains. You cannot use a long-term loss to reduce a short-term profit.

Step-by-Step Guide to Tax Loss Harvesting

Follow these steps to successfully implement tax loss harvesting before March 31:

1: Review Your Realized Gains

First, look at your “Realized P&L” report for the current financial year. Total up how much profit you have already “booked” by selling stocks or funds.

• Divide them into STCG (20% tax) and LTCG (12.5% tax).
• If your LTCG is below ₹1.25 lakh, you might not need to harvest losses for it due to the reason that it is already tax-exempt.

2: Identify “Losing” Candidates

Look at your current holdings (the ones you haven’t sold yet). Identify stocks or mutual funds that are currently in the “red.”

• Focus on assets that you no longer believe in or those that have fundamentally changed.
• The first priority should be for harvesting short-term losses, as they can offset the higher 20% tax rate of short-term gains.

3: Calculate the Potential Savings

Before selling, do the math.

Example: Suppose you have a realized STCG of ₹1,00,000. At a 20% tax rate, you owe ₹20,000. If you sell an underperforming stock at a loss of ₹40,000, your net taxable gain becomes ₹60,000. Your new tax is 20% of ₹60,000 = ₹12,000. Total Savings: ₹8,000.

4: Execute the Sale

Once you’ve identified the amount, sell the units. Remember to complete this tax loss harvesting before March 31 to ensure the loss is recorded in the current financial year.

5: Reinvest (Optional)

If you are still confident of the long-term prospects of a stock but just wanted to harvest the tax loss, you can buy it back. Unlike some countries (like the US) which have a “Wash Sale Rule,” India currently has no specific law preventing you from buying back the same stock immediately. However, to stay on the safe side of “substance over form,” many experts suggest waiting a few days or buying a similar but different asset (e.g., selling one Large Cap Fund and buying another).

Advanced Strategy: Carrying Forward Losses

What if your losses are greater than your gains? If you end up with a net loss after all the offsetting, don’t worry. You can carry forward these losses for up to 8 assessment years. This means a loss made today can help you save tax on profits you might make 3 or 5 years down the line. To do this, you must file your Income Tax Return (ITR) on time.

What if You do not Adopt Tax Loss Harvesting?

Are you aware of the losses that will occur if you do not adopt tax loss harvesting? The problem is that capital losses that would have been otherwise available to set-off capital gains would go unutilised. This would badly affect as it lowers your post-tax returns. In short, if you do not pay attention to tax harvesting, it will end up in inefficient portfolio decisions. The reason is that you may continue holding underperforming assets to get away with booking losses. This will lead to a delay in portfolio rebalancing which is utmost necessary. Ultimately, it will affect your overall portfolio efficiency.

What Do Experts Suggest?

As a taxpayer, have you already realised LTCG more than Rs. 1,25,000 or have realised short-term capital gains (STCGs)? If that is the case, ideally you should restructure those investments where unrealised capital losses exist. According to experts, realising such losses will aid in lowering the tax liability on other capital gains. Be it short-term capital losses or long-term capital losses, you should aim for better tax efficiency and not timing the market or running behind higher returns.

Also, stay away from reinvesting in the same securities as this helps rebuild and strengthen your portfolio. This is easily possible by exiting underperforming stocks which ensures a solid portfolio rebalancing. One more advantage of this approach is that it lowers the risk of unnecessary scrutiny from the tax authorities. There are chances that tax authorities may view the transaction as a “colourable device” with no commercial substance.

Common Mistakes to Avoid

1. Overlooking Transaction Costs: Each time you sell and buy, you pay brokerage, STT (Securities Transaction Tax), and GST. If the tax saving is only ₹500 but your transaction costs are ₹600, there is no point in doing this exercise.
2. Selling “Winners” Too Soon: Don’t sell a great company just to book a loss if you think it will bounce back significantly tomorrow. Tax should be a secondary consideration to your investment thesis.
3. Missing the Deadline: Ensure you don’t wait until the last session of the year. Low liquidity or technical glitches could prevent your order from executing, ruining your plan for tax loss harvesting before March 31.

Join our Online Course and Learn Stock Marketing the Right Way. Enrol Now!

Key Takeaways

• Tax loss harvesting before March 31 is a legal and effective way to reduce your capital gains tax in India.
• Short-term losses can offset both short and long-term gains, making them the most valuable “harvest.”
• Long-term losses can only offset long-term gains.
• The first ₹1.25 lakh of LTCG is tax-free; harvesting for gains below this limit is unnecessary.
• You can carry forward unused losses for 8 years, provided you file your ITR.

Parting Words

Now that you have gained proper understanding of tax loss harvesting, do you want to learn more about stock trading and mutual fund investing? Entri Finacademy, since 2022 has grown to be a trusted finance education platform offering stock market courses and mutual fund courses. 

With a team of highly experienced, dedicated mentors and a SEBI-registered Research Analyst reviewing all the course materials, Entri is the best training institution in the industry. Also, there is the option to learn stock market courses in several regional languages including Tamil and Malayalam. Last but not least, features such as exclusive doubt clearance sessions and practical trading support makes this institution a class apart. To know more about Entri Finacademy’s stock market courses, click here.