Updated 2026-07-30

SIP ₹20,000/Month for 15 Years: Calculator Scenario

15 years of ₹20,000/month at 12% ends at ₹1,00,91,520. Subtract 6% inflation a year and the real figure is ₹42,10,839. Adjust the rate, amount, and years in the calculator to test your own scenario.

Return Rate	Maturity	Wealth Gained	Real Value (6% inflation)	After-Tax Real Value
10%	₹83.58 L	₹47.58 L	₹34.88 L	₹32.36 L
12% (base)	₹1.01 Cr	₹64.92 L	₹42.11 L	₹38.65 L
15%	₹1.35 Cr	₹99.37 L	₹56.49 L	₹51.16 L

You invest ₹36,00,000; compounding adds ₹64,91,520

Over 15 years you contribute ₹36,00,000 from your pocket (₹20,000 × 180 months). At a 12% CAGR that becomes ₹1,00,91,520, so compounding adds ₹64,91,520 on top of what you put in. The longer you stay invested, the larger this gains-to-contribution ratio becomes; most of it lands in the later years.

₹1,00,91,520 in 15 years buys what ₹42,10,839 buys today

₹1,00,91,520 in 15 years is not ₹1,00,91,520 of today's purchasing power. After 6% average inflation, it buys what about ₹42,10,839 buys today. That is still real growth: your money grows faster than prices, but the honest figure is the inflation-adjusted one, not the headline number.

One-shot redemption: ₹8,27,648 LTCG on ₹64,91,520 of gains

Equity mutual fund units held over 12 months qualify for long-term capital gains tax: 12.5% on gains above the ₹1.25 lakh annual exemption. On ₹64,91,520 of gains, a one-shot redemption implies roughly ₹8,27,648 in LTCG tax, leaving about ₹92,63,872. Redeeming in tranches across financial years uses the ₹1.25 lakh exemption each year and can reduce that figure materially.

Each part of the portfolio needs a job

At this size the portfolio should carry separate jobs: retirement, a child's education, a dated goal. Review each target once a year and raise the contribution after a salary increase, once expenses and emergency savings are covered.

Step up, stay invested, cut costs, redeem in tranches

Step up the SIP: raising ₹20,000 by 10% a year as income grows beats the flat amount over 15 years.
Stay the full tenure: the biggest compounding happens in the later years; stopping early forfeits most of the gains.
Keep costs low: a direct-plan Nifty 50 index fund (0.1–0.2% expense ratio) preserves more of the 12% than a high-cost regular plan.
Redeem in tranches: spreading withdrawals across financial years uses the ₹1.25 lakh LTCG exemption repeatedly.

Frequently Asked Questions

How much will ₹20,000/month SIP give in 15 years?

At 12% CAGR (Nifty 50 long-term average), a ₹20,000/month SIP for 15 years grows to ₹1.01 Cr. You invest ₹36.00 L and gain ₹64.92 L. In conservative (10%) and optimistic (15%) scenarios it becomes ₹83.58 L and ₹1.35 Cr respectively.

What is the real (inflation-adjusted) value of ₹20,000 SIP after 15 years?

The ₹1.01 Cr maturity has the purchasing power of about ₹42.11 L in today's money, after 6% average inflation. Nominal numbers always look bigger than what they can actually buy.

How much tax do I pay on a ₹20,000 SIP maturing in 15 years?

Equity mutual fund gains held over 12 months are taxed as LTCG at 12.5% above the ₹1.25 lakh annual exemption (Income Tax Act 2025). On total gains of ₹64.92 L, the indicative LTCG tax is ₹8.28 L, leaving roughly ₹92.64 L post-tax. Actual tax depends on how you redeem (staggered exits use the exemption each year).

Is ₹20,000/month SIP enough?

It depends on your goal. ₹20,000/month for 15 years builds ₹1.01 Cr at 12%. Increasing the SIP by 10% each year (step-up) as your salary grows can substantially raise the final corpus versus a flat amount.

Try it yourself → SIP Calculator