What is SIP vs FD — and Why Compare Them?
SIP (Systematic Investment Plan) invests in mutual funds monthly, generating market-linked returns. FD (Fixed Deposit) locks your money at a bank for a guaranteed interest rate. Both are popular investment instruments in India, but they serve different goals. SIP compounds at market rates (historically 10–13%), while FD compounds at bank rates (typically 6–8%). For goals 7+ years away, SIP usually wins significantly. For goals under 3 years or capital preservation needs, FD is safer.
How SIP and FD Returns Are Calculated
SIP Future Value Formula
Where P = monthly amount, r = monthly rate (annual ÷ 12 ÷ 100), n = months
FD Maturity Value Formula
Where P = principal per period, r = annual rate, n = compounding per year, t = years
Real (Inflation-Adjusted) Value
Worked Example: ₹10,000/month for 10 Years
| Metric | SIP @ 12% | FD @ 7% |
|---|---|---|
| Total Invested | ₹12,00,000 | ₹12,00,000 |
| Maturity Value | ₹23,23,391 | ₹17,40,849 |
| Total Gains | ₹11,23,391 | ₹5,40,849 |
| Post-Tax Gains (30%) | ₹10,02,100 (LTCG 10%)* | ₹3,78,594 (TDS 30%) |
| SIP Advantage | SIP wins by ₹5,82,542 post-tax | |
*LTCG (Long Term Capital Gains) on equity funds: 10% on gains above ₹1 Lakh per year. FD interest is taxed as per income tax slab.
Frequently Asked Questions
SIP in equity mutual funds typically outperforms FD over 10+ year horizons. Historical equity mutual fund SIP returns average 10–13% annually in India vs FD rates of 6–7.5%. However, FD offers capital safety. Choose SIP for long-term goals, FD for capital preservation and short-term needs.
FD interest is added to your income and taxed at your income tax slab rate (up to 30% + surcharge). SIP gains from equity funds held 12+ months attract LTCG tax at 10% on gains exceeding ₹1 Lakh per financial year. This tax efficiency dramatically favours SIP for higher earners.
Yes. Equity SIP carries market risk. Short-term returns can be negative (even -30% to -40% in crash years). However, historically, any 7+ year SIP in a diversified equity fund has delivered positive returns in India. FD cannot produce negative returns.
Conservative: 8–9% (debt/hybrid funds). Moderate: 10–11% (large-cap equity). Optimistic: 12–13% (mid/small-cap blend). For planning, use 10–11% to avoid over-projecting wealth and under-saving.
FD is safer for a 3-year horizon — market volatility risk is too high. Alternatively, use a debt mutual fund SIP which is more tax-efficient than FD while carrying similar (low) risk for 3-year goals.
No. With India's inflation at ~6%, FD rates of 6–7.5% leave very little real return. SIP at 12% delivers a real return of ~6% after inflation. Over time, FD may barely preserve purchasing power while SIP doubles or triples it.
Yes. Bank FDs are insured by DICGC up to ₹5 Lakhs per bank. Principal is guaranteed. Mutual fund SIPs have no such guarantee — NAV can fall significantly in market downturns. For capital safety, FD wins. For wealth creation over 10+ years, SIP historically wins.
Both qualify for Section 80C deduction (up to ₹1.5L). Tax-saving FDs have a 5-year lock-in with guaranteed interest (~6.5–7%). ELSS (Equity Linked Savings Scheme) SIP has a 3-year lock-in with market-linked returns (historical: 10–15%). ELSS typically outperforms tax-saving FD significantly for the same 80C investment.