What Is PPF? Complete Guide to Public Provident Fund — Interest Rates, Rules and Tax Benefits

The Public Provident Fund is arguably India’s most trusted savings instrument. Backed by the sovereign guarantee of the Government of India, offering fully tax-free returns under the EEE (Exempt-Exempt-Exempt) framework, and shielded from creditors and court attachments, PPF is the foundation of conservative long-term savings for millions of Indian families.

What Is PPF?

PPF is a government-backed long-term savings scheme with a 15-year lock-in. It was introduced in 1968 to mobilise small savings and provide individuals with a safe, tax-efficient retirement savings vehicle. Accounts can be opened at any post office or designated bank (SBI, HDFC, ICICI, Axis, and others).

Key PPF Parameters (2025-26)

The EEE Tax Advantage Explained

PPF enjoys triple tax exemption, which is rare among Indian investments:

• Exempt on Investment: Your annual PPF contribution (up to ₹1.5 lakh) is deductible under Section 80C
• Exempt on Returns: The annual interest earned is fully tax-free
• Exempt on Maturity: The entire corpus at maturity is received completely tax-free

For a taxpayer in the 30% bracket, the effective post-tax yield on PPF at 7.1% is equivalent to approximately 10.1% from a taxable instrument. No FD, no matter how high its rate, can match this on an after-tax basis for high-income individuals.

Partial Withdrawal Rules

After completing 7 years (from account opening), you can make one partial withdrawal per financial year. The amount is limited to 50% of the balance at the end of the 4th year or 50% of the balance at the end of the preceding year — whichever is lower. These withdrawals are fully tax-free.

Loan Against PPF

Between the 3rd and 6th financial year of the account, you can take a loan of up to 25% of the balance at the end of the 2nd preceding year. The interest rate on this loan is just 1% above the PPF interest rate — making it one of the cheapest loan options available for any purpose.

Extension After 15 Years

At maturity, you have three choices:

1. Withdraw the full corpus — tax-free lump sum
2. Extend with fresh contributions — continue investing for another 5 years with the same tax benefits
3. Extend without contributions — the existing corpus continues to earn 7.1% tax-free without any further deposits

Option 3 is particularly valuable for retirees — a fully accumulated PPF corpus continuing to earn 7.1% tax-free, with the ability to make one tax-free partial withdrawal per year, is a superb income source.

PPF Limitations

• ₹1.5 lakh annual cap restricts maximum accumulation
• Returns are fixed by government quarterly — not market-linked; real returns thin in high-inflation periods
• 15-year lock-in makes it unsuitable for goals shorter than 10 years
• NRIs cannot open new PPF accounts (though existing accounts can continue)

Who Should Invest in PPF?

PPF is ideal for conservative, long-term savers who want guaranteed, inflation-beating, completely tax-free returns with zero credit risk. It is particularly powerful for those in the 20–30% tax bracket, for whom the EEE status creates enormous real value. Most financial planners recommend maxing out PPF (₹1.5 lakh/year) as part of a balanced retirement portfolio alongside equity SIPs.

Related Calculators

• Compound Interest Calculator — model PPF growth at 7.1%
• Income Tax Calculator — quantify your 80C tax savings
• Retirement Calculator
• Savings Goal Calculator
• Inflation Calculator

Disclaimer: PPF interest rates are set by the Government of India and subject to quarterly revision. Always check the current rate before making investment decisions.