Tax Countdown Begins: Key Income Tax Deadlines You Must Meet Before March 31
Filing your income tax return (ITR) by the deadline is a mandatory requirement, but fulfilling the deadline is just the beginning point. Without a thorough review, filing in a hurry could lead to mistakes, missed deductions, or unclaimed credits, all of which could later make your financial situation more difficult. Although the deadline guarantees adherence, the high standard of your submission is what really matters. There are still a few weeks left in the fiscal year to take advantage of Section 80C tax-saving opportunities under the previous tax system. The following are the key income tax deadlines that taxpayers need to meet by March 31.
Last-Minute 80C Moves
With just a few weeks left in the financial year, it's not too late to make the most of Section 80C tax-saving options under the OLD tax regime. Shefali Mundra, Tax Expert, ClearTax said, to consider

PPF (Public Provident Fund): A reliable long-term option that offers tax-free returns and the benefit of deduction under 80C.
ELSS (Equity-Linked Savings Scheme): If you have a higher risk appetite, ELSS can offer higher returns with tax-saving benefits, though it's important to factor in market volatility.
NPS (National Pension Scheme): You can get an additional deduction of Rs 50,000 under 80CCD(1B) over and above the Rs 1.5 lakh limit under 80C. Evaluate your investment options now and take action before the March 31 deadline.
To maximise your Rs 1.5 lakh 80C deduction, don't rely just on PPF, NSC, or tax-saving FDs. ELSS (Equity-Linked Savings Scheme) funds provide higher returns with a 3-year lock-in period, making them a preferable option for individuals seeking liquidity. Startup founders and high-net-worth individuals can also look into AIF Category I and II funds, which offer long-term capital gains tax exemptions, allowing them to leverage tax savings into growth opportunities, said Appalla Saikiran, Founder and CEO, SCOPE.
"For founders, investors, and professionals with diverse income sources, making an advance tax payment by March 15 is critical to avoid interest penalties under Sections 234B and 234C. If you've had a departure, ESOP exercise, or property sale, think about reinvesting in 54EC bonds (for property profits) or qualifying startups under 54GB to decrease your capital gains tax liability," commented Appalla Saikiran.
How Important Is Form 26AS?
Filing your income tax return before March 31 is a strict requirement, but meeting the deadline is just the starting point. Rushing to file without a detailed review may result in errors, missed deductions, or unclaimed credits, which could complicate your financial situation later. The deadline ensures compliance, but the real benefit lies in the quality of your submission, said Mr ROHITH VEDIRA-Co-Founder & CEO of Sathpay.
"Take the time to study your Form 26AS carefully. By verifying that all TDS credits and deductions are accurately captured, you not only boost the accuracy of your return but also uncover potential opportunities to lower your tax liability. This proactive approach helps you avoid future issues, ensuring that your tax filing is both compliant and optimized for your financial benefit," he added.
What Are The Deadlines You Must Meet Before March 31?
As per ROHIT R CHAUHAN Founder- INGOOD, as the financial year-end approaches, taxpayers must act promptly to meet essential income tax deadlines and avoid penalties. March 31 marks the last opportunity to file a belated Income Tax Return (ITR). According to him:
Those who have already filed but need corrections must submit a revised return before this date. Another critical deadline is linking PAN with Aadhaar-failure to do so may render the PAN inoperative, restricting financial transactions.
To maximize tax benefits, individuals must also complete their tax-saving investments under Sections 80C, 80D, and 80G, including contributions to PPF, ELSS, and NPS, before March 31.
Additionally, taxpayers with a total tax liability exceeding Rs 10,000 should ensure the final installment of advance tax is paid by March 15 to avoid interest penalties. For those claiming Foreign Tax Credit (FTC) on taxes paid abroad, Form 67 must be filed by March 31, 2025, provided their ITR was submitted on time. Staying ahead of these deadlines ensures compliance and effective tax planning, helping taxpayers avoid unnecessary financial burdens.
Unlock Bigger Tax Savings With These Expert-Approved Investment Strategies
As per Gaurav Sharma, CFO, Taxflick.com, under Section 80C of the Income Tax Act, deductions up to Rs 1.5 lakh per year can be claimed with the following eligible investments or expenses. Employee Provident Fund (EPF) or Public Provident Fund (PPF) along with Tax-Saving Fixed Deposits with up to or more than 5 years of lock-in. Life Insurance Premiums: A Policy having sum assured more than or equal to 10 times of the premium.
"Any Mutual funds with 3-years of lock-in or any Equity-Linked Savings Scheme (ELSS) Plan. National Savings Certificates of at least 5-years of tenure. Any Post office deposits of up to at least five years will help to reduce the tax burden. Beyond Rs. 1.5 lakhs of 80C Additional Rs 50,000 for NPS investments under Section 80CCD(1B) (NPS) will be helpful. One can save tax by giving donations under section 80G to PM CARES and National Relief Fund (100% Deduction) and 50% Deduction in the case of Registered NGOs and institutions," Gaurav Sharma added.
If you are a senior citizen, you can claim higher interest deductions under 80TTB of upto Rs. 50k. On the other hand having Health Insurance Policies can help you to save tax under section 80D, For individuals limit is up to Rs.25K and for senior citizen limit is Rs.50K, also you can have health premium policy for your parents with a limit of upto Rs 25,000 and Rs 50,000 for senior (60+ years), he further guided.
Conclusion
Taxpayers frequently rush to enhance their Section 80C deductions as the fiscal year draws to a close. Selecting the appropriate combination guarantees both tax effectiveness and financial stability. Take immediate action to maximize these 80C opportunities prior to the deadline for use.
Disclaimer
The recommendations made above are by market analysts and are not advised by either the author, nor Greynium Information Technologies. The author, nor the brokerage firm nor Greynium would be liable for any losses caused as a result of decisions based on this write-up. Goodreturns.in advises users to consult with certified experts before making any investment decision.


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