Depositing ₹25,000 every year in PPF at 7.1% gives about ₹6.78 lakh (₹6,78,035) after 15 years, all tax-free. You deposit ₹3,75,000.
Yearly deposit
₹25,000
After 15 years
₹6,78,035
After 20 years (one extension)
₹11,09,715
After 25 years (two extensions)
₹17,18,002
Tax on maturity
Nil
Deposit by 5 April
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 by year
Year
You put in
Balance
1
₹25,000
₹26,775
2
₹50,000
₹55,451
3
₹75,000
₹86,163
4
₹1,00,000
₹1,19,056
5
₹1,25,000
₹1,54,284
6
₹1,50,000
₹1,92,013
7
₹1,75,000
₹2,32,421
8
₹2,00,000
₹2,75,697
9
₹2,25,000
₹3,22,047
10
₹2,50,000
₹3,71,687
11
₹2,75,000
₹4,24,852
12
₹3,00,000
₹4,81,792
13
₹3,25,000
₹5,42,774
14
₹3,50,000
₹6,08,086
15
₹3,75,000
₹6,78,035
Try your own numbers
Rates used: October–December 2026 where a government rate applies. Results are estimates.