Start here: does 80C even apply to you?
This is the part most comparisons skip, and it is the part that matters most.
Section 80C deductions — the ₹1.5 lakh that ELSS and PPF contributions can be set against — exist under the old tax regime. The new regime has lower slab rates but does away with most such deductions, and it is now the default: if you do not actively choose otherwise, you are in it.
So if you are on the new regime, neither ELSS nor PPF saves you tax, and the choice between them becomes an ordinary investment question rather than a tax one. Work out which regime leaves you better off overall first — for many people with few deductions, the new regime wins even after giving up 80C. That calculation depends on your income and your other deductions, and it is worth doing with whoever files your return.
If you are on the old regime, how they differ
| ELSS | PPF | |
|---|---|---|
| What it is | An equity mutual fund | A government savings scheme |
| Who bears the risk | You — value moves with the market and can fall | Sovereign-backed; the rate is administered, not market-linked |
| Lock-in | 3 years (the shortest under 80C) | 15 years, with partial withdrawal allowed from year 7 |
| Return | Not fixed, not guaranteed | Declared and revised quarterly by the government |
| Tax on the way out | Capital gains tax applies on redemption | Interest and maturity currently exempt |
| Suits | Money you genuinely will not need for well over 3 years | Money you want certainty on |
A note on the lock-in. ELSS having the shortest 80C lock-in is often sold as its headline advantage. Treat three years as the legal minimum rather than the sensible holding period — three years is short for equity, and a fund you are forced to sell on the first permitted day can easily be down. If you would be uncomfortable leaving it for seven or more, the shorter lock-in is not really doing you a favour.
A note on the PPF rate. It is reviewed every quarter and has drifted over the years. Whatever figure you have in mind is worth checking against the current notification before you plan around it.
They are not really rivals
The framing "which one" assumes you must pick. In practice they do different jobs: PPF is the sovereign-backed, predictable, very long-dated part of a plan; ELSS is equity that happens to carry a deduction. Plenty of people on the old regime use both, and plenty of people use neither because the new regime suits them better.
The mistake worth avoiding is buying either in March because a deadline is approaching. A lump sum into equity on a date chosen by the tax calendar is how people end up buying at whatever price March happens to offer. If ELSS fits your goals, a monthly SIP through the year spreads that out.
What we are not saying
We are not recommending either, and which is appropriate depends entirely on your regime, your bracket, your other commitments and how long the money can genuinely be left. Tax rules change with each Finance Act; the position described here is as we understood it in September 2026. Please confirm the current rules and your own regime with a qualified tax adviser before acting.
Before you act on any of this
This note is general education, not investment, tax or legal advice, and not a recommendation to buy or sell anything. It does not take account of your income, obligations or goals. Figures shown are illustrations at an assumed rate — markets do not deliver a constant return, and no return is assured or guaranteed. Tax rules and interest rates change; anything dated here was correct to the best of our knowledge in September 2026 and is worth re-checking before you rely on it. Mutual Fund investments are subject to market risks, read all scheme related documents carefully.
Happy to talk it through — get in touch, or read how we are paid.