SynopsisInvesting Rs 1.5 lakh annually in a Public Provident Fund from age 30 can build a tax-free retirement corpus of Rs 1.54 crore by age 60. This popular government-backed scheme offers tax benefits and a 7.1% annual interest rate, compounded yearly, making it ideal for steady wealth creation without market risks.ET OnlineRs 1.54 cr corpus through PPF: How to buildPublic Provident Fund (PPF) continues to remain one of the most popular long-term small savings scheme options for investors looking for fixed and tax-efficient returns. Backed by the central government, PPF is popular among salaried individuals and conservative investors who want to build a retirement corpus steadily without taking market risks.But do you know even if you start investing in PPF at 30 years of age, you can still build a tax-free retirement corpus of Rs 1.54 crore by age 60. All you need to do is to continuously invest Rs 1.5 lakh/year for 30 years.Since PPF comes with a 15-year maturity period, you can extend your account for unlimited blocks of five years with investing. It will provide you the freedom to invest till 60 years of agePublic Provident Fund offers an interest rate of 7.1% per annum, compounded yearly.How can you generate a Rs 1.54 crore retirement corpus through PPF?The maximum amount that can be invested in a PPF account in a financial year is Rs 1.5 lakh. If an investor starts investing the full Rs 1.5 lakh every year from age 30 and does it continuously till age 60, they can create a Rs 1.54 crore corpus. To take the full benefit of a 7.1% interest rate, the investor needs to invest Rs 1.5 lakh amount as a lump sum till April 5 of every financial year.Rs 1.54 crore PPF retirement corpus calculationStarting age for PPF investment: 30 yearsInvest till: 60 yearsAnnual investment: Rs 1.5 lakhInterest rate: 7.1% per annumInvestment period: 30 yearsEstimated corpus at 60 = Rs 1.54 crore (approximately)Total investment in 30 years: Rs 45 lakhEstimated interest earned: Rs 1.09 croreHowever, for this calculation, we are assuming that the PPF interest rate will remain the same for 30 years.How is the PPF interest rate decided?Interest on a PPF account is determined by the rate notified by the Ministry of Finance from time to time. The interest is calculated every month on the lowest balance available in the account between the close of the fifth day and the last day of the month.The accumulated interest is credited to the account at the end of each financial year.Why starting to invest in PPF early mattersThe biggest advantage of starting PPF investments at age 30 is the long compounding period. Even though the yearly investment remains fixed, the interest generated over decades significantly boosts the final corpus.For example, delaying investments by just 10 years and starting at age 40 instead of 30 can sharply reduce the retirement corpus because the investment gets less time to compound.Tax benefits on PPF investmentPPF enjoys EEE (Exempt-Exempt-Exempt) tax status, which means: Investments made under PPF qualify for tax deductions in the old tax regime, interest earned is tax-free and the maturity amount is also tax-free.This makes PPF as one of the most tax-efficient retirement savings instruments available to investors. ...more