Mutual Funds vs PPF: 15-Year Post-Tax Comparison (₹1.5 Lakh/Year Scenario)

Over 15 years, ₹1.5 lakh invested annually in a direct equity mutual fund at 12% CAGR produces roughly ₹68 lakh after LTCG tax. The same ₹1.5 lakh in PPF at 7.1% produces ₹40.7 lakh — fully tax-free, with government guarantee. That ₹27 lakh gap is real, but so is the risk you carry to earn it.

Quick answer: For a 30% slab investor with genuine 15-year horizon and some risk tolerance, direct equity MF builds a materially larger corpus. PPF wins when you want a guaranteed floor, need the EEE tax treatment to count toward 80C, or cannot tolerate any market drawdown. Most wealth-builders who can stay the course use both.

The Corpus Math: Both Scenarios Side by Side

Same investor, same annual outlay of ₹1.5 lakh, 15-year horizon.

PPF scenario

• Annual contribution: ₹1,50,000
• Rate: 7.1% p.a. (current rate, government-set, historically 7–8%)
• Tax treatment: EEE — contribution qualifies for 80C deduction, interest accumulates tax-free, maturity corpus is tax-free
• End corpus at year 15: approximately ₹40.7 lakh
• After-tax: ₹40.7 lakh (no tax event at maturity)

Direct equity MF scenario (Nifty 50 index fund)

• Annual SIP: ₹1,50,000
• Assumed CAGR: 12% p.a. (Nifty 50 15-year rolling average: 11.8–13.2%)
• TER: 0.20% (index fund)
• End gross corpus at year 15: approximately ₹75.3 lakh
• Total cost basis: ₹22.5 lakh
• Total LTCG: ₹52.8 lakh
• LTCG tax (12.5% on gains above ₹1.25L exemption): approximately ₹6.4 lakh
• After-tax corpus: approximately ₹68.9 lakh

The gap: ₹28.2 lakh in favour of equity MF — a 69% larger corpus.

But the equity MF investor also weathered at least 2–3 cycles of 20–40% drawdowns and held through them. That is not a given.

If you want a fee-only advisor to model this on your actual SIP, tax bracket, and timeline, get a free portfolio audit →

Why PPF's 7.1% Is More Powerful Than It Looks

The EEE (Exempt-Exempt-Exempt) status means you get three tax benefits stacked:

1. Contribution deduction under Section 80C — for a 30% slab investor, ₹1.5L contribution effectively costs ₹1.05L after tax savings.
2. Interest accumulates tax-free — no annual TDS, no entry in your ITR.
3. Maturity corpus is tax-free — you withdraw the full ₹40.7 lakh with no further tax event.

Adjusting for the 80C deduction, the effective post-tax cost of the PPF investment is ₹1.05 lakh/year, not ₹1.50 lakh. That changes the comparison if you would have parked the full ₹1.5L in equity MF without any tax offset.

Equity MF also qualifies for 80C through ELSS (3-year lock-in), but a plain Nifty 50 index fund does not. If your ₹1.5L is your only 80C investment and you need the deduction, PPF is the cleaner vehicle.

Lock-In and Partial Withdrawal Rules

PPF's 15-year lock-in is real, but it is not absolute:

• Partial withdrawal allowed from year 7 onwards: up to 50% of the balance at the end of the 4th year preceding the withdrawal year.
• Premature closure allowed after 5 years in specific circumstances (critical illness, higher education), with a 1% interest penalty.
• Extension after 15 years: you can extend in blocks of 5 years, with or without contributions.
• Contribution stops but balance earns: if you stop contributing mid-way, the balance continues to earn PPF interest until maturity.

Equity mutual funds have none of these restrictions. T+1 redemption for most schemes, no exit load after 1 year for equity funds. If there is any meaningful probability you need the capital before year 7, PPF is the wrong vehicle for that money.

The "PPF + Equity MF" Pattern

Most financially literate Indians aged 35–50 who have thought about this end up combining both — not choosing one:

• Max out PPF (₹1.5L/year cap) for the guaranteed floor + EEE benefit + 80C.
• Direct equity SIP above that cap for growth.

This pattern is not a hedge — it is deliberate allocation by risk type. PPF is the bond-like component of a portfolio: guaranteed real return, no volatility, tax-free. Equity MF is the growth engine. Using PPF as your entire investment strategy leaves a large return on the table over 15 years. Using only equity MF removes your guaranteed floor entirely.

When PPF Still Wins

Very low risk tolerance. If a 30–40% NAV drawdown would cause you to redeem, the 12% CAGR assumption is wrong — you would not realise it. PPF's 7.1% guaranteed beats an equity MF held partially or redeemed at the bottom of a cycle.

You are already in the new tax regime. Under the new regime, Section 80C deductions do not apply. The 80C benefit of PPF disappears. The EEE status on interest and maturity still holds, but the contribution deduction is gone. This reduces PPF's edge for new-regime investors, though the guaranteed return and zero volatility remain.

Short horizon masquerading as long. If you think your horizon is 15 years but you are likely to draw for a child's education in year 9 or 10, the PPF's partial withdrawal rules are actually more predictable than trying to time an equity redemption.

Senior investors and risk-averse retirees. For investors above 55 who want low-volatility income during retirement, PPF's guaranteed rate and tax-free nature are genuinely valuable. Equity exposure at this stage is harder to justify without a specific recovery horizon.

FAQ

Can I have both a PPF account and an equity mutual fund SIP running at the same time?

Yes. They are completely separate instruments. Many investors max out PPF at ₹1.5L/year for the EEE benefit, and run SIPs in direct equity funds with additional savings. There is no regulatory restriction on holding both.

PPF interest rate changes every quarter. Does that affect the 15-year projection?

Yes. The 7.1% rate used here is the current government-set rate. It has ranged from 7.1% to 8.7% over the last decade. If the rate drops, the ₹40.7 lakh end corpus will be lower; if it rises, higher. The equity MF at 12% CAGR also carries return uncertainty in the other direction. Both projections are illustrative — your actual outcome will differ.

Is PPF still worth it under the new tax regime?

Partially. The 80C deduction is unavailable under the new regime, which removes the contribution-year benefit. But the interest accumulation and maturity withdrawal are still fully tax-free under Section 10(11). For investors in the 30% slab who have no other use for 80C and have switched to the new regime, PPF still offers a government-guaranteed, tax-free return — which is hard to replicate elsewhere. Whether that justifies the lock-in depends on your risk profile.

What if I need the PPF money for a child's education in year 12?

You can make a partial withdrawal — PPF allows up to 50% of the end-of-year-4 balance after year 7 has passed. Plan the withdrawal timing around this rule. For large education costs, maintain a separate SIP in a debt mutual fund or liquid fund with no lock-in if you need more flexibility than PPF allows.

How does the LTCG tax calculation change if I harvest the ₹1.25L exemption each year?

If you actively harvest LTCG annually — selling and repurchasing to reset cost basis within the ₹1.25L exemption — the LTCG tax burden at maturity reduces significantly. Over 15 years, systematic harvesting can reduce the total tax outflow from ₹6.4 lakh to ₹2–3 lakh, narrowing PPF's tax advantage further. See how to use the LTCG ₹1.25 lakh exemption for the mechanics.

The ₹28 lakh gap over 15 years is real. So is the volatility you absorb to earn it. Most investors building long-term wealth benefit from both instruments — PPF as the guaranteed foundation, equity MF as the growth layer above it.

Ready to see which mix makes sense for your specific income, horizon, and tax bracket? Get a free portfolio audit →