PPF Extension After 15 Years: Grow ₹25 Lakh With or Without Deposits

Your PPF account just crossed the 15-year mark. The maturity SMS lands, you log in, and there it is — a corpus of around ₹25 lakh sitting quietly, fully tax-free. The obvious impulse is to withdraw it all, feel rich for a weekend, and park it in an FD or a mutual fund. But here's the surprising part: if you understand how PPF extension after maturity works, that same ₹25 lakh can keep compounding tax-free for another 5, 10, or 15 years — and in many cases it outperforms whatever else you were planning to move it into.

Most Indians treat the 15-year mark as a hard finish line. It isn't. The Public Provident Fund is one of the very few EEE (Exempt-Exempt-Exempt) instruments left in the country — your contribution, your interest, and your maturity are all tax-free. At the current rate of 7.1% per annum (compounded annually), a ₹25 lakh corpus earns roughly ₹1.77 lakh in tax-free interest in year one alone. To match that in a taxable FD, someone in the 30% slab would need a pre-tax return of over 10%. Good luck finding that with sovereign safety.

In this article I'll walk you through both extension options — with fresh deposits and without — show you the exact math on a ₹25 lakh corpus, explain the paperwork (including the deadline most people miss), and help you decide instead of blindly redeeming. Let's get into it.

Key Takeaways

• PPF doesn't force you to withdraw at 15 years — you can extend indefinitely in blocks of 5 years.
• There are two extension modes: with contribution (keep depositing, up to ₹1.5L/year) and without contribution (the corpus keeps compounding, no new money needed).
• To extend with contribution, you MUST submit Form H within one year of maturity — miss it and you're locked into the "without contribution" mode.
• A ₹25 lakh corpus at 7.1% grows to roughly ₹35.3 lakh in 5 years even with zero new deposits — completely tax-free.
• During any extension block you can make one withdrawal per financial year, giving you flexibility that FDs and mutual funds tax heavily.
• Run your own numbers on the PPF Calculator before you decide anything.

What actually happens when your PPF matures at 15 years?

First, let's clear up a common confusion. Your PPF "matures" at the end of 15 financial years from the year you opened it — not from the exact date of your first deposit. If you opened the account in FY 2010-11, it matures on 1 April 2026 (i.e., completion of FY 2025-26). This detail matters because your extension deadline is counted from this maturity date.

At maturity, you have exactly three choices:

1. Withdraw the entire corpus — the account closes, and the full amount lands in your bank tax-free.
2. Extend without fresh contributions — the balance keeps earning interest, and you can dip into it once a year.
3. Extend with fresh contributions — you continue depositing up to ₹1.5 lakh a year and keep claiming Section 80C benefit.

Here's the crucial rule most people don't know: if you do nothing, the account is automatically treated as extended without contribution. Interest keeps accruing, which is good — but if you later deposit money into it, that deposit earns no interest and gets no 80C benefit. So inaction has a cost if you actually wanted to keep contributing.

PPF extension with fresh deposits — how it works

This is the option for people who are still earning, still want the 80C deduction, and want to keep building a large tax-free corpus toward retirement.

The one form you cannot forget

To extend with contribution, you must submit Form H (Form 4 under the new PPF rules of 2019) at your bank or post office branch within one year from the date of maturity. Miss this window and you lose the right to contribute for that entire 5-year block — the account defaults to the no-contribution mode.

Common mistake: People assume that simply depositing money into a matured PPF account counts as "extending with contribution." It does not. Without Form H on file, any money you put in earns zero interest and is effectively frozen until the next 5-year block, plus you can't claim 80C on it. Always submit the form first.

Worked example — extending with ₹1.5 lakh/year

Let's take Sunita, age 45, whose PPF has just matured with a corpus of ₹25,00,000. She's still working, earns ₹18 LPA, and files under the old tax regime to claim deductions. She decides to extend for one 5-year block and deposit the full ₹1.5 lakh each year (say, on 1 April every year to maximise interest).

At 7.1% compounded annually, here's the rough trajectory:

• Start: ₹25,00,000
• End of Year 1: (25,00,000 + 1,50,000) × 1.071 ≈ ₹28,40,660
• End of Year 2: (28,40,660 + 1,50,000) × 1.071 ≈ ₹32,01,547
• End of Year 3: ≈ ₹35,88,057
• End of Year 4: ≈ ₹40,02,109
• End of Year 5: ≈ ₹44,45,458

So Sunita turns ₹25 lakh + ₹7.5 lakh of fresh deposits (₹32.5 lakh invested) into roughly ₹44.5 lakh, entirely tax-free. And because she's in the old regime, each ₹1.5 lakh deposit also saved her about ₹46,800 a year in tax (30% + cess) — another ₹2.3 lakh of effective savings over five years. Plug your own numbers into the PPF Calculator to see your exact figure.

PPF extension without deposits — the underrated option

This is the option that gets ignored, and honestly it's the smartest choice for a huge number of people — especially those nearing or in retirement who no longer need the 80C deduction but want a rock-solid, tax-free reservoir.

Under this mode, you make no fresh contributions. The existing corpus simply keeps earning 7.1% (or whatever the prevailing rate is; it's revised quarterly by the government). You don't submit any form — it's the default. And here's the flexibility: you can make one withdrawal of any amount per financial year, with no limit on how much you take (unlike the restricted partial withdrawals during the first 15 years).

Worked example — ₹25 lakh growing on autopilot

Take Rajesh, 58, who has just retired. His PPF matured at ₹25,00,000. He doesn't need the money immediately — his pension and a laddered FD portfolio cover his monthly expenses. He extends without contribution and lets it ride:

Year	Opening balance	Interest at 7.1%	Closing balance
1	₹25,00,000	₹1,77,500	₹26,77,500
2	₹26,77,500	₹1,90,103	₹28,67,603
3	₹28,67,603	₹2,03,600	₹30,71,203
4	₹30,71,203	₹2,18,055	₹32,89,258
5	₹32,89,258	₹2,33,537	₹35,22,795

Without adding a single rupee, Rajesh's corpus grows to roughly ₹35.2 lakh in five years — that's over ₹10 lakh of pure, tax-free compounding. If he needs cash, he can withdraw once a year from it. Compare that to a bank FD where the interest would be added to his income and taxed at slab rates.

Pro tip: If you're using the corpus as an income source, treat your annual PPF withdrawal like a controlled tap. Withdraw only what you need, let the rest keep compounding, and you effectively get a tax-free "salary" while your principal continues to grow. For a structured drawdown approach, see our guide on a monthly income plan for retirees.

With deposits vs without deposits — which should you choose?

Here's a side-by-side comparison to make the decision concrete:

Criteria	Extend WITH contribution	Extend WITHOUT contribution
Fresh deposits allowed	Yes, up to ₹1.5L/year	No
Section 80C benefit	Yes (old regime)	No new benefit
Form required	Form H within 1 year of maturity	None (default)
Withdrawals per year	Once; max 60% of balance at start of block over 5 years	Once per year; any amount
Best for	Still earning, want to keep building corpus	Retired/near-retirement, want flexibility
Interest rate	7.1% (current, tax-free)	7.1% (current, tax-free)

A simple decision rule

• Still working and in the old tax regime? Extend with contribution. The 80C deduction plus tax-free compounding is one of the best deals available to a salaried Indian.
• On the new tax regime (no 80C benefit) but still want a safe parking spot? You can still extend with contribution for the compounding, but the tax advantage on new deposits disappears — so weigh it against equity SIPs.
• Retired or need withdrawal flexibility? Extend without contribution. You keep the tax-free growth and can withdraw once a year without restrictions.

How does PPF compare with FD and equity SIP over the same period?

Let's stress-test PPF against the two most common alternatives an investor considers at maturity. Assume ₹25 lakh invested for 5 years, and the investor is in the 30% tax slab.

Option	Assumed return	Approx. value after 5 yrs	Tax treatment
PPF (extended, no deposit)	7.1%	~₹35.2 lakh	Fully tax-free
Bank FD	7.0% pre-tax	~₹35.1 lakh pre-tax; ~₹32.9 lakh post-tax	Interest taxed at slab
Equity SIP/Lumpsum	~12% (not guaranteed)	~₹44 lakh	12.5% LTCG above ₹1.25L/yr

The takeaway is nuanced. On a risk-adjusted, post-tax basis, PPF beats the FD comfortably for anyone in the 20% or 30% slab. Equity mutual funds offer higher potential returns but come with volatility — perfectly fine for a 40-year-old, less so for a 60-year-old who can't stomach a 30% drawdown. Many smart investors do both: extend PPF without contribution as their "safe money," and route surplus into equity. Model the equity side on our Lumpsum Calculator and compare the FD on the FD Calculator.

Step-by-step: how to extend your PPF account

Whether you bank with SBI, HDFC, ICICI, or a post office, the process is largely the same. Here's the walkthrough:

1. Note your exact maturity date. Count 15 completed financial years from the year of your first deposit. The account matures on 1 April following the 15th financial year.
2. Decide your mode — with or without contribution — using the decision rule above.
3. For "with contribution": Download or collect Form H (Form 4) from your bank/post office. Fill in your account number, name, and the extension request.
4. Submit Form H within one year of maturity. This is the non-negotiable deadline. For a bank, you can often submit it at the branch or through net banking's service request; for the post office, do it in person.
5. Get an acknowledgement. Keep the stamped copy or the service-request reference number. This is your proof if the mode is ever misclassified.
6. For "without contribution": Do nothing. The account auto-extends. But confirm with your bank that it's flagged correctly, and remember — don't deposit money into it, or that money sits idle.
7. Set a reminder for the next block. Each extension is 5 years. Note the next decision date so you're never caught off guard.

Pro tip: If you're extending with contribution, deposit before the 5th of each month (ideally on 1 April for the full year). PPF interest is calculated on the lowest balance between the 5th and the last day of each month — so a late deposit loses you an entire month's interest on that amount.

What about tax, and should you ever just withdraw?

The entire PPF corpus — principal and interest — is tax-free on withdrawal, whether at year 15 or after any extension. There's no TDS, no LTCG, nothing. This is what makes it so valuable in a country where almost everything else gets taxed.

You should consider full withdrawal only if:

• You have an immediate, large need — a home down payment, a medical emergency, or clearing high-interest debt like a credit card or personal loan. (Check what you'd save by prepaying on our Home Loan Prepayment Calculator.)
• You've found a genuinely better risk-adjusted opportunity and you understand the risk.
• You need the funds to rebalance a lopsided portfolio.

Otherwise, letting a ₹25 lakh corpus compound tax-free is one of the most efficient things you can do with money in India. Use our full suite of free financial calculators to compare before you pull the trigger, and consider your overall retirement mix — for example, how PPF fits alongside NPS Tier 1 vs Tier 2 accounts.

Frequently asked questions

Can I extend my PPF account multiple times after 15 years?

Yes. There's no limit on the number of 5-year extension blocks. You can keep extending — with or without contribution — indefinitely, block after block, for as long as you like.

What is the deadline to submit Form H for PPF extension?

You must submit Form H (Form 4) within one year from the date of maturity — that is, before the end of the first financial year of the extended period. Miss it, and the account is automatically treated as extended without contribution for that block.

Can I withdraw money from PPF during the extension period?

Yes. In the "without contribution" mode, you can make one withdrawal of any amount per financial year. In the "with contribution" mode, you can withdraw up to 60% of the balance at the start of the block, spread over the 5 years, once per year.

Does the interest rate stay the same after extension?

The interest rate applies to all PPF accounts, extended or not — currently 7.1% per annum, compounded annually. The government revises this rate every quarter, so it may change over your extension period.

What happens if I deposit money into a PPF account extended without contribution?

That deposit earns no interest and gets no Section 80C benefit. It essentially sits idle. To make contributions count, you must have submitted Form H to extend in the "with contribution" mode.

Is the maturity amount from PPF fully tax-free?

Yes. PPF enjoys EEE status — contributions, interest, and maturity proceeds are all exempt from tax. There's no TDS on withdrawal, whether at 15 years or after any extension.

Should I choose PPF extension or move to mutual funds?

It depends on your age, risk appetite, and time horizon. If you're young and can tolerate volatility, equity funds may deliver more over the long run. If you're near retirement or want guaranteed, tax-free safety, extending PPF is hard to beat. Many investors sensibly do both — compare projections on our SIP Calculator and PPF Calculator.

The bottom line

The 15-year mark is a decision point, not an exit. Understanding PPF extension after maturity gives you two powerful levers: keep contributing to build an even bigger tax-free corpus, or simply let ₹25 lakh compound quietly at 7.1% while you retain the freedom to withdraw once a year. Neither option requires you to gamble, and both preserve the rare EEE tax shield that makes PPF so special.

Before you act, do the arithmetic for your own numbers. Run the extension scenario on the PPF Calculator, benchmark it against an FD and an equity SIP, and factor in your tax slab with the Income Tax Calculator. If you'd like to understand more about how AlarmDaddy builds these tools, visit our about page or get in touch. Whatever you decide, decide deliberately — a ₹25 lakh corpus deserves more than a knee-jerk withdrawal.

Image credit: President Cyril Ramaphosa addresses Team SA ahead of Investment Conference — GovernmentZA, via flickr (BY-ND 2.0), sourced from Openverse.