You have a ₹50 lakh home loan at 8.5% and ₹5,000 spare every month after all expenses. Should you throw that money at your loan and close it early? Or invest it in a mutual fund, PPF or NPS and let it compound?
This is one of the most debated personal finance questions in India - and the answer is not as simple as "always prepay" or "always invest." Here is a data-driven framework to make the right call for your situation.
Here is how major investment options available to Indian investors compare against the effective cost of your home loan:
| Instrument | Typical Return | Risk | Tax Treatment | Beats 8.5%? |
|---|---|---|---|---|
| PPF | 7.1% p.a. | Low | EEE - fully tax-free | No |
| Bank FD | 6.5–7.5% p.a. | Low | Taxed at slab rate | No |
| NPS (Tier I) | 8–10% p.a. | Low–Med | Additional ₹50K deduction u/s 80CCD(1B); partially taxable on exit | Maybe |
| Gold (physical/SGBs) | 8–9% p.a. (10yr avg) | Medium | SGBs: tax-free on maturity; physical: LTCG at 20% with indexation | Maybe |
| REITs | 8–10% p.a. | Medium | Dividends taxed at slab; capital gains at LTCG rates | Maybe |
| ELSS Mutual Funds | 11–13% p.a. | Medium–High | ₹1.5L deduction u/s 80C; LTCG at 10% above ₹1L gains | Yes |
| Nifty 50 Index Fund | 11–13% p.a. | Medium–High | LTCG at 10% on gains above ₹1 lakh per year | Yes |
| Direct Equity | 12–18% p.a. | High | LTCG at 10% above ₹1L; STCG at 15% | Yes (with discipline) |
Important note on tax: Your home loan also gives you tax benefits - up to ₹2 lakh interest deduction under Section 24 and ₹1.5 lakh principal deduction under Section 80C. If you are in the 30% tax bracket, your effective home loan cost drops to approximately 6.0% after tax savings - making it even easier for investments to beat prepayment.
Let us run the actual calculation for someone with a ₹50 lakh home loan at 8.5% who has ₹5,000 spare every month. Two paths:
For comparison, investing ₹5,000/month in PPF (7.1%, tax-free) for 15 years grows to ₹16,08,120 - still more than the ₹13,89,250 saved by prepaying, even though PPF returns less than 8.5%. This is the power of compounding working over time even at lower rates.
Answer these questions in order:
The numbers favour investing over prepaying for most Indian borrowers in the 30–45 age group with floating-rate home loans and consistent investment discipline. A Nifty 50 index fund has historically returned 12–13% over 15-year periods, well above the 8.5% home loan rate.
However, this is not a guarantee. Markets can underperform for a decade. Your home loan interest saving is certain; your investment return is not. For risk-averse borrowers, prepaying is a perfectly rational choice - a guaranteed 8.5% return beats uncertain higher returns for someone who values certainty.
The smartest approach for most people: do both. Split your spare ₹5,000 - put ₹2,500 toward prepayment and ₹2,500 into a SIP. You reduce your interest burden, build a corpus, and avoid the regret of having done neither.
Use EMIPlan's free Prepayment Simulator to see exactly how much interest you save - and how many years early you close your loan.
Try the Simulator →For most borrowers in the 30% tax bracket with floating-rate loans, investing in a Nifty 50 index fund beats prepayment mathematically - ₹5,000/month invested at 12% CAGR for 15 years grows to ₹25.2 lakhs vs ₹13.9 lakhs saved by prepaying. However, the investment return is not guaranteed and requires consistent discipline.
Yes. Under Section 24, you can deduct up to ₹2 lakh of home loan interest per year from your taxable income. For someone in the 30% tax bracket, this saves ₹60,000 in tax annually - effectively reducing your 8.5% loan to approximately 6.0% post-tax. This makes it even easier for investments to beat prepayment.
Having an emergency fund is a prerequisite - not a reason to prepay. If you have 6 months of expenses liquid, you have cleared the basic financial hygiene bar. Whether you then prepay or invest depends on your tax bracket, risk profile and investment discipline - not on whether you have an emergency fund.