Guide · India · Sukanya Samriddhi
SSY: 15 Years of Deposits vs 21 Years to Maturity — India Guide
Parents often hear "15 years" and assume SSY matures then. In reality, Sukanya Samriddhi Yojana separates when you stop depositing from when the account closes. The six-year "silent" phase can add a large share of final wealth.
See the two-phase curve: SSY calculator · PPF calculator for a different lock-in pattern — PPF vs ELSS
Disclaimer: SSY interest rates and rules are notified by the government and can change quarterly. Verify eligibility, limits, and withdrawal rules on official India Post / bank portals.
Quick answer: two SSY timelines
| Phase | Duration | What happens |
|---|---|---|
| Deposit phase | 15 years from opening | Guardian contributes (₹250 min — ₹1.5L max/year) |
| Silent compounding | Years 16–21 | No new deposits; balance earns interest |
| Maturity | 21 years from opening | Account closes; withdrawal per rules |
Deposit phase — up to 15 years from opening
Subject to eligibility (girl child age limits apply), guardians contribute for up to fifteen years from account opening. Deposits qualify for Section 80C within the overall ₹1.5 lakh cap. Interest accrues under notified rates with EEE-style tax treatment within the scheme framework.
Maturity phase — 21 years from opening
The account matures on completion of twenty-one years from opening — not fifteen. Partial withdrawals for education/marriage are allowed under specific conditions before maturity — verify current rules.
Why the silent years matter for compounding
Once fresh contributions stop, the corpus keeps earning interest. On a large balance, six extra years at ~8% can add lakhs. Many parents only model the 15 deposit years and underestimate maturity value.
Real-world example: ₹1 lakh/year for 15 years
At ~8% average rate, deposits total ₹15 lakh. Maturity at year 21 might reach ₹45–50 lakh (illustrative — use SSY calculator). A meaningful portion comes from years 16–21 compounding on the year-15 balance.
SSY vs PPF vs ELSS for girl child goals
- SSY: Girl-child specific, high notified rates, long lock-in aligned to education/marriage.
- PPF: Flexible family account; 15-year block — see PPF extension guide.
- ELSS: Equity exposure, shorter lock-in, market risk — see PPF vs ELSS.
Best practices
- Open SSY early — more deposit years before the 15-year window caps.
- Model both phases in the SSY calculator, not deposits alone.
- Align withdrawal planning with education milestones, not just maturity date.
- Don't skip minimum annual deposits — accounts can become irregular.
Common mistakes
- Assuming maturity at year 15.
- Ignoring partial withdrawal rules for education expenses.
- Comparing SSY only to taxable FD/RD without EEE context.
Frequently asked questions
How long do you deposit in SSY?
Up to 15 years from account opening.
When does SSY mature?
21 years from opening — includes 6 silent compounding years.
Does SSY earn interest after deposits stop?
Yes, on the accumulated balance until maturity.