Corpus: ₹1.5Cr at 12% · Total invested: ₹36.0L · Wealth gain: ₹1.1Cr
| Annual Return | Total Invested | Maturity Value | Wealth Gain |
|---|---|---|---|
| 8% | ₹36,00,000 | ₹88,94,208 | ₹52,94,208 |
| 10% | ₹36,00,000 | ₹1,14,85,454 | ₹78,85,454 |
| 12% | ₹36,00,000 | ₹1,49,87,219 | ₹1,13,87,219 |
| 14% | ₹36,00,000 | ₹1,97,45,194 | ₹1,61,45,194 |
| 15% | ₹36,00,000 | ₹2,27,39,325 | ₹1,91,39,325 |
A ₹15,000/month SIP is a high-conviction investment. At this scale, the power of compounding works dramatically in your favour — over 20 years at 12%, your total investment of ₹36.0L grows to ₹1.5Cr, a 4.2× multiplier. A 20-year SIP tenure is where compounding truly transforms wealth. At this horizon, short-term market volatility becomes irrelevant. A ₹15,000/month SIP invested for 20 years turns ₹36.0L of principal into ₹1.5Cr — a wealth gain of ₹1.1Cr.
At a 12% annualised return — the long-run historical average for diversified equity mutual funds in India — a ₹15,000/month SIP for 20 years produces a corpus of ₹1.5Cr. This is enough to fund a substantial retirement nest egg or full funding for a child's MBA/medical education (including abroad), or an outright property purchase in many Indian cities. Of course, actual returns will vary, but this gives you a realistic benchmark for goal planning.
The power of compounding is clearly visible in this SIP: your ₹36.0L investment grows to ₹1.5Cr, generating ₹1.1Cr in wealth gain (316% return on invested capital). Notably, roughly ₹1.2Cr of your total wealth gain — more than half — is generated in the second half of the 20-year period. This is the compounding snowball effect: the longer you stay invested, the faster your corpus grows.
This table shows how your SIP corpus builds year by year, assuming 12% annual returns — the long-run historical average for diversified equity funds.
| Year | Total Invested | Corpus Value | Wealth Gain |
|---|---|---|---|
| Year 1 | ₹1,80,000 | ₹1,92,140 | ₹12,140 |
| Year 2 | ₹3,60,000 | ₹4,08,648 | ₹48,648 |
| Year 3 | ₹5,40,000 | ₹6,52,615 | ₹1,12,615 |
| Year 4 | ₹7,20,000 | ₹9,27,523 | ₹2,07,523 |
| Year 5 | ₹9,00,000 | ₹12,37,295 | ₹3,37,295 |
For a 20-year SIP, you have maximum flexibility to take risk and benefit from long-term compounding: Small Cap Funds — historically highest returns over long horizons (15%+ CAGR), suitable for 20+ year tenures; Mid Cap Funds — strong risk-adjusted returns; Large Cap Index Funds — stable core holding; International/Global Funds — geographic diversification against INR depreciation. A classic allocation: 40% large cap index + 30% mid cap + 20% small cap + 10% international.
Calculate with different amounts, rates, and tenures
Open SIP Calculator →At 12% annual returns, a ₹15,000/month SIP for 20 years gives a maturity corpus of ₹1,49,87,219. Your total investment is ₹36,00,000 and the wealth gain is ₹1,13,87,219.
At 8%: ₹88,94,208. At 10%: ₹1,14,85,454. At 12%: ₹1,49,87,219. At 15%: ₹2,27,39,325. Returns are not guaranteed — equity mutual funds can deliver higher or lower depending on market conditions.
SIP returns are subject to capital gains tax. For equity mutual funds held for more than 1 year, gains above ₹1 lakh/year are taxed at 12.5% (LTCG). ELSS SIPs have a 3-year lock-in but qualify for Section 80C deduction up to ₹1.5 lakh/year.
Yes — this is the entire benefit of SIP. When markets fall, your ₹15,000 buys more units at lower prices (rupee cost averaging). Stopping a SIP during a downturn defeats the purpose and locks in temporary losses.
For a 20-year horizon, a diversified equity mutual fund — large cap index fund (Nifty 50 or Sensex) combined with a mid cap fund — is a strong choice. For higher risk appetite, include a small cap fund component.