Depositing ₹1,50,000 every year in PPF at 7.1% gives about ₹40.7 lakh (₹40,68,209) after 15 years, all tax-free. You deposit ₹22,50,000.
PPF interest is worked out on the lowest balance between the 5th and the end of each month. Depositing the full year's amount by 5 April earns interest for all 12 months.
| Year | You put in | Balance |
|---|---|---|
| 1 | ₹1,50,000 | ₹1,60,650 |
| 2 | ₹3,00,000 | ₹3,32,706 |
| 3 | ₹4,50,000 | ₹5,16,978 |
| 4 | ₹6,00,000 | ₹7,14,334 |
| 5 | ₹7,50,000 | ₹9,25,701 |
| 6 | ₹9,00,000 | ₹11,52,076 |
| 7 | ₹10,50,000 | ₹13,94,524 |
| 8 | ₹12,00,000 | ₹16,54,185 |
| 9 | ₹13,50,000 | ₹19,32,282 |
| 10 | ₹15,00,000 | ₹22,30,124 |
| 11 | ₹16,50,000 | ₹25,49,113 |
| 12 | ₹18,00,000 | ₹28,90,750 |
| 13 | ₹19,50,000 | ₹32,56,643 |
| 14 | ₹21,00,000 | ₹36,48,515 |
| 15 | ₹22,50,000 | ₹40,68,209 |
Rates used: October–December 2026 where a government rate applies. Results are estimates.