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Government Schemes7 min readPublished 11 Oct 2026

PPF Account Opening, 15-Year Lock-in, Compounding Formula & 5th of Month Rule

Everything you need to know about Public Provident Fund: 15-year tenure, sovereign safety, the golden 5th of the month interest rule, and tax-free compounding.

Precious Thakur & Banking Research DeskSenior Financial Infrastructure Analyst
Fact-Checked & RBI Compliant
Key Takeaways & Summary
  • The Golden 5th Rule: Always deposit funds before the 5th of every month to earn interest for that full calendar month.
  • PPF accounts enjoy sovereign government guarantee and cannot be attached by any court decree or creditor.
  • Offers EEE (Exempt-Exempt-Exempt) tax status under Section 80C.

The Public Provident Fund (PPF) has stood for decades as the cornerstone of conservative Indian wealth accumulation. Backed by an act of Parliament, it provides unbeatable safety, decent returns, and zero tax liability.

#PPF#Public Provident Fund#Retirement Savings#Section 80C#Tax Free EEE

Frequently Asked Questions

What happens if I deposit money in PPF after the 5th of the month?

If deposited after the 5th, your deposit earns zero interest for that month and starts earning interest only from the 1st of the subsequent month.