Depositing ₹1,00,000 every year in PPF at 7.1% gives about ₹27.1 lakh (₹27,12,139) after 15 years, all tax-free. You deposit ₹15,00,000.
Yearly deposit
₹1,00,000
After 15 years
₹27,12,139
After 20 years (one extension)
₹44,38,859
After 25 years (two extensions)
₹68,72,010
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
₹1,00,000
₹1,07,100
2
₹2,00,000
₹2,21,804
3
₹3,00,000
₹3,44,652
4
₹4,00,000
₹4,76,222
5
₹5,00,000
₹6,17,134
6
₹6,00,000
₹7,68,051
7
₹7,00,000
₹9,29,682
8
₹8,00,000
₹11,02,790
9
₹9,00,000
₹12,88,188
10
₹10,00,000
₹14,86,749
11
₹11,00,000
₹16,99,409
12
₹12,00,000
₹19,27,167
13
₹13,00,000
₹21,71,095
14
₹14,00,000
₹24,32,343
15
₹15,00,000
₹27,12,139
Try your own numbers
Rates used: October–December 2026 where a government rate applies. Results are estimates.