Building a ₹3 Crore Corpus on ₹15,000/Month: A Step-by-Step SIP Strategy

27 Jul, 20265 min read

Key Takeaways

  • A ₹15,000/month SIP with 10% annual step-up can build ~₹2.8 crore in 20 years at an illustrative 12% CAGR.
  • Step-Up SIP aligned to income growth dramatically boosts the final corpus — far more than any fund selection tweak.
  • Starting 5 years later roughly halves the 20-year corpus — the cost of delay is enormous and permanent.
  • A core-satellite approach (index fund core + active mid-cap satellite) balances cost efficiency with growth potential.
  • The single biggest risk to this plan is your own behaviour during market downturns — invest, stay invested, and do not look at the portfolio daily.

Introduction

'My salary is ₹40,000. Can I really retire with ₹2 crore?' Yes — if you start now, invest ₹15,000 every month, increase it modestly each year, and stay disciplined. The mathematics of compounding is unforgiving to procrastinators and remarkably generous to those who begin early.

Strategy Monthly SIP Annual Step-Up Assumed CAGR* Estimated Corpus (20 Yrs)
Flat SIP — No Step-Up ₹15,000 0% 12% p.a. ~₹1.40 crore
Step-Up at 10%/year ₹15,000 rising 10% 12% p.a. ~₹2.80 crore
Step-Up at 15%/year ₹15,000 rising 15% 12% p.a. ~₹3.30 crore
Flat SIP, start 5 yrs later ₹15,000 0% 12% p.a. ~₹74 lakh (15 yrs)

*All figures illustrative only, assuming 12% CAGR p.a. Actual returns will vary significantly. Past performance is not indicative of future results.

Step-by-Step Plan

  1. Start with ₹10,000 monthly in a Nifty 50 Index Fund or Flexi-Cap Fund — the core holding.
  2. Add ₹5,000 monthly in a Mid-Cap Index Fund or active Mid-Cap Fund — the growth engine.
  3. Activate Step-Up SIP at 10% per year — most AMCs and platforms support this automatically.
  4. Do not touch the corpus for 15+ years — every premature redemption resets that amount's compounding.
  5. At the 10-year mark, review and optionally add a small satellite allocation to a small-cap fund.
  6. 3–4 years before your retirement or goal date, begin STP from equity to a short-duration debt fund.

The Warning That Cannot Be Said Often Enough

The 12% CAGR used above is an illustrative planning assumption — not a guarantee. Some years will deliver 25%. Some years will deliver -15%. The plan works best with consistency and patience across full market cycles. If you switch funds every year chasing last year's winner, or panic-stop during corrections, the strategy collapses — not because of markets, but because of behaviour.

Disclaimer

Mutual fund investments are subject to market risks. Please read all scheme-related documents carefully before investing. Past performance is not indicative of future results. Baid Inbest LLP is an AMFI-registered Mutual Fund Distributor (ARN: 86114). This content is for educational purposes only and does not constitute personalised investment advice.

Ready to build your ₹3 crore plan? Inbest will map the exact strategy — visit www.inbestnow.com or call +91 9903921999.

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Building a ₹3 Crore Corpus on ₹15,000/Month: A Step-by-Step SIP Strategy | Inbest