Updated 2026-07-30

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

A ₹15,000/month SIP at 12% compounds to ₹1,49,87,219 in 20 years. After 6% inflation, that buys what ₹46,73,086 buys today. 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%	₹1.15 Cr	₹78.85 L	₹35.81 L	₹32.67 L
12% (base)	₹1.50 Cr	₹1.14 Cr	₹46.73 L	₹42.17 L
15%	₹2.27 Cr	₹1.91 Cr	₹70.90 L	₹63.19 L

You invest ₹36,00,000; compounding adds ₹1,13,87,219

Over 20 years you contribute ₹36,00,000 from your pocket (₹15,000 × 240 months). At a 12% CAGR that becomes ₹1,49,87,219, so compounding adds ₹1,13,87,219 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.

₹1,49,87,219 in 20 years buys what ₹46,73,086 buys today

₹1,49,87,219 in 20 years is not ₹1,49,87,219 of today's purchasing power. After 6% average inflation, it buys what about ₹46,73,086 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: ₹14,64,088 LTCG on ₹1,13,87,219 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 ₹1,13,87,219 of gains, a one-shot redemption implies roughly ₹14,64,088 in LTCG tax, leaving about ₹1,35,23,131. 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 ₹15,000 by 10% a year as income grows beats the flat amount over 20 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 ₹15,000/month SIP give in 20 years?

At 12% CAGR (Nifty 50 long-term average), a ₹15,000/month SIP for 20 years grows to ₹1.50 Cr. You invest ₹36.00 L and gain ₹1.14 Cr. In conservative (10%) and optimistic (15%) scenarios it becomes ₹1.15 Cr and ₹2.27 Cr respectively.

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

The ₹1.50 Cr maturity has the purchasing power of about ₹46.73 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 ₹15,000 SIP maturing in 20 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 ₹1.14 Cr, the indicative LTCG tax is ₹14.64 L, leaving roughly ₹1.35 Cr post-tax. Actual tax depends on how you redeem (staggered exits use the exemption each year).

Is ₹15,000/month SIP enough?

It depends on your goal. ₹15,000/month for 20 years builds ₹1.50 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