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A complete guide to PPF in India — contribution rules, interest calculation, the triple tax exemption, lock-in period, and partial withdrawal/loan facilities.
If there's one investment instrument that spans generations of Indian households, it's the Public Provident Fund. Backed entirely by the Government of India, PPF combines tax-free returns, government-guaranteed safety, and long-term wealth building in a way few other instruments can match. It's often the first serious long-term investment many Indians make, opened by parents for children or by young professionals starting their savings journey.
Despite being decades old, PPF remains relevant today precisely because of what it offers: a rare combination of complete capital safety and complete tax exemption on returns — something even most equity investments can't claim.
The Public Provident Fund is a government-backed, long-term savings scheme introduced to encourage small savings while providing tax benefits. You can open a PPF account at any nationalized bank, most private banks, or a post office, and it comes with a mandatory 15-year lock-in period, extendable in blocks of 5 years after maturity.
| Rule | Detail |
|---|---|
| Minimum annual contribution | ₹500 per financial year |
| Maximum annual contribution | ₹1,50,000 per financial year |
| Number of deposits allowed | Up to 12 deposits per financial year |
| Contribution flexibility | Lump sum or installments, as per your convenience |
It's worth noting that contributing exactly on or before the 5th of a month matters for interest calculation — deposits made after the 5th earn interest starting from the following month, since PPF interest is calculated on the lowest balance between the 5th and the end of each month.
The interest rate on PPF is set by the government and reviewed quarterly, meaning it can change every three months based on prevailing economic conditions. Interest is calculated monthly on the lowest balance in your account between the 5th and the last day of that month, but it's credited to your account only once a year, at the end of the financial year — and this credited interest then earns further interest in subsequent years, compounding annually.
Always check the current PPF interest rate directly from an official source (like the Ministry of Finance's small savings scheme notifications) before making assumptions, since it's revised periodically and isn't fixed for the entire 15-year tenure.
PPF is one of the few investment instruments in India that enjoys "EEE" (Exempt-Exempt-Exempt) tax status:
This triple exemption is genuinely rare — most other instruments, including equity mutual funds and even some other 80C options, are taxed at some stage, whether on growth or on withdrawal.
A PPF account matures 15 years after the end of the financial year in which it was opened — not exactly 15 years from your deposit date. For example, an account opened in June 2026 would technically mature at the end of the 2041-42 financial year, since the 15-year count starts from the end of FY 2026-27.
While PPF is designed for long-term holding, it does offer some flexibility:
| Facility | When Available | Details |
|---|---|---|
| Loan against PPF | From the 3rd to 6th financial year | You can borrow a portion of your balance at a relatively low interest rate |
| Partial withdrawal | From the 7th financial year onward | You can withdraw a portion of your balance, subject to specific limits based on your balance |
At maturity, you have three options: withdraw the full amount and close the account, extend the account for another 5-year block with continued contributions, or extend it for another 5-year block without making further contributions (while the existing balance continues earning interest). This flexibility makes PPF useful even beyond the initial 15 years, especially for long-term retirement planning.
Many parents open a PPF account in their child's name early on, using it as a long-term education or marriage corpus. Since the account matures in 15 years, starting one when a child is young means the funds become available around the time they might need them for higher education, all while growing completely tax-free.
Use our PPF Calculator to see how your contributions will grow over the 15-year tenure, based on the current interest rate and your chosen contribution amount.
1. Depositing after the 5th of the month. Since interest is calculated on the lowest balance between the 5th and month-end, depositing early in the month (ideally by the 5th) maximizes your interest for that month.
2. Missing the minimum ₹500 annual contribution. This can cause your account to become inactive, requiring a penalty payment plus the minimum contribution to reactivate it.
3. Opening multiple PPF accounts. Only one PPF account per individual is allowed (excluding a minor's account); a second account may not earn interest and could face closure.
4. Not planning around the 15-year lock-in for near-term goals. PPF isn't suitable for goals within the next few years, given the long lock-in and limited partial withdrawal options early on.
5. Assuming the interest rate is fixed for the full tenure. The rate is revised quarterly, so actual returns can vary meaningfully over a full 15-year period.
Key Takeaway: PPF offers a rare combination of government-backed safety and complete tax exemption (EEE status), making it one of the strongest long-term savings tools available to Indian residents, provided you're comfortable with the 15-year lock-in. The next lesson covers NSC (National Savings Certificate) Explained.
You can invest a minimum of ₹500 and a maximum of ₹1,50,000 in a single financial year, in up to 12 deposits.
No, PPF interest is completely tax-free, along with the contribution (up to ₹1,50,000 under Section 80C) and the final maturity amount — all three stages are exempt from tax.
Partial withdrawals are allowed from the 7th financial year onward, and a loan facility is available between the 3rd and 6th financial year, subject to specific limits.
No, NRIs cannot open a new PPF account, though an account opened before becoming an NRI can continue until maturity without extension.
Your account becomes inactive, and you'll need to pay a penalty along with the minimum contribution for each missed year to reactivate it.
Yes, you can extend it in blocks of 5 years, either with continued contributions or without further contributions while the balance keeps earning interest.
Disclaimer: This article is for general educational purposes only and does not constitute personalized financial, investment, tax, or legal advice. Figures, rates, and rules mentioned may change over time — verify current details with an official source or a qualified professional before making financial decisions.