Last reviewed: 2026-10-01. Rules, tax rates and fund data as at this date. This is general education, not personalised investment advice.
Key facts. A ₹5,000/month SIP crosses ₹1 crore in 25.5 years at a 12% annual return — instalment 306. That figure is arithmetic from FV = P · [(1+i)ⁿ − 1] / i, not a forecast, and returns vary in both directions. A ₹500/month SIP needs 43 to 47 years for the same corpus (44.4 years at 12%) — it builds the habit, not a crore. Over 20 years on ₹10,000/month, an FD at 7% is worth ₹13.7 lakh after tax and inflation; the same money in a SIP at 12% is worth ₹27.9 lakh — a gap of about ₹14.3 lakh in today’s money. You need PAN, KYC and a bank account, not a demat account.
Here’s something most 25-year-olds don’t think about.
If you’re 25, salaried, and putting your money in a savings account, inflation is quietly eating it alive. At 3% interest and roughly 6% inflation, that 3% isn’t keeping you ahead — it’s just slowing the loss.
₹50,000 in your bank today will be worth about ₹28,000 in ten years. That’s not saving. That’s slow-motion loss.
There is a way to invest that even someone with zero stock market knowledge can start today. You don’t need a demat account. You don’t need to track share prices. You don’t need to time the market.
It’s called a Systematic Investment Plan — SIP.
And here’s the number worth remembering: ₹5,000/month from age 25 puts you just under ₹1 crore by the time you’re 50.
This is not a guarantee. Not a promise from some finfluencer. It’s arithmetic at a 12% annual return — close to what the Nifty 50 delivered over the 20 years to Feb 2026: about 11–12% a year (11.09% price return, 12.44% with dividends — NSE Indices Whitepaper 2026, cited in full at the end). Run the numbers yourself: a monthly SIP compounds as FV = P · [(1+i)ⁿ − 1] / i. At ₹5,000/month and 1% a month, you cross ₹1 crore at instalment 306 — 25.5 years.
It is simple to start. Staying the course is the hard part.
New to the mechanics? Our longer SIP guide covers the basics in more depth.
Why should YOU care?
Let’s say you earn ₹50,000/month. After rent, EMIs, UPI spends, and the occasional Zomato order — you save maybe ₹10,000.
Where does that ₹10,000 go?
If you’re like most Indians, it sits in a savings account at 3% or goes into a Fixed Deposit at 6.5–7%.
Fixed Deposit, ₹10,000/month for 20 years at 7%, interest credited monthly:
- Total invested: ₹24,00,000
- Value at maturity: ₹52,40,000
- FD interest is taxed at your slab rate. At 30% on the ₹28.40 lakh gain: ₹43,88,000
- After 6% inflation, real value: ₹13,68,000
You saved ₹24 lakhs over 20 years. After tax and inflation, your purchasing power went up by about ₹13.7 lakhs. Twenty-four lakhs of work, and most of it gone to tax and to prices. That’s not wealth building. That’s running to stand still.
SIP in a Nifty 50 index fund, ₹10,000/month for 20 years at 12%:
- Total invested: ₹24,00,000
- Value: ₹98,93,000
- After LTCG at 12.5% on the ₹74.93 lakh gain: ₹89,56,000 (simplification — the ₹1.25 lakh exemption is annual and applied at redemption, not as a flat haircut)
- After 6% inflation, real value: ₹27,92,518
You turned ₹24 lakhs into ~₹90 lakhs after tax. Is that guaranteed? No. But it’s what the arithmetic gives you at a historically observed return.
The difference between the two, over 20 years, is roughly ₹46 lakh. In today’s money, it’s about ₹14.3 lakh. That is a home down payment, or a kid’s college education, or a retirement that doesn’t depend on your children.
If you are weighing a deposit against a market-linked product more broadly, SIP vs FD vs NPS Vatsalya sets out the trade-offs.
This is why you should care today: time is the one thing you cannot buy more of.
Meet our characters
The three people below are illustrative composites, built from typical Indian household situations — not real clients.
Rahul, 25, Pune. Software developer, ₹55,000/month. Shared flat, sends ₹10,000 home, ₹20,000 on lifestyle. Saves ₹15,000/month — all in a savings account because “stock market is scary.”
Priya, 35, Bangalore. Marketing manager, ₹1.2L/month. Married, one kid aged 5. ₹25L home loan, school fees, and about ₹20,000/month sitting in a savings account that “I should probably invest somewhere.”
Vikram, 42, Delhi. Government employee, ₹85,000/month. Never invested. ₹15 lakhs in FDs. Knows he should do something different, doesn’t know where to start.
Same problem, all three: they know they should invest, they know FDs aren’t enough, they don’t know what to do.
SIP is the answer for all three.
How SIP actually works (the simple version)
A SIP is this: you tell your bank to send a fixed amount to a mutual fund on a fixed date every month. That’s it.
The fund manager buys shares of companies (equity fund) or bonds (debt fund). You get “units” at whatever the NAV is that day.
When the market is down, your ₹5,000 buys MORE units. When it’s up, fewer.
This is Rupee Cost Averaging. It’s not a strategy. It’s just how SIP works automatically.
| Month | NAV (₹) | Units bought |
|---|---|---|
| Month 1 | 100 | 50 |
| Month 2 | 80 (market fell) | 62.5 |
| Month 3 | 120 (market rose) | 41.7 |
| Month 4 | 90 | 55.6 |
You bought more units when prices dropped, without timing anything. Over 5–10 years that works in your favour, because you accumulate more units when prices are low.
What ₹5,000/month becomes: 10, 20, 25 and 26 years
All figures computed from FV = P · [(1+i)ⁿ − 1] / i, i = 1% monthly (12% p.a. nominal) and i = 1.25% monthly (15% p.a. nominal).
| Time | Invested | At 12% p.a. | At 15% p.a. |
|---|---|---|---|
| 10 years | ₹6,00,000 | ₹11,50,193 | ₹13,76,085 |
| 20 years | ₹12,00,000 | ₹49,46,277 | ₹74,86,197 |
| 25 years | ₹15,00,000 | ₹93,94,233 | — |
| 26 years | ₹15,60,000 | ₹1,06,49,070 | — |
At 12%, ₹5,000/month crosses ₹1 crore at 25.5 years — instalment 306.
But here’s what nobody tells you: compounding is boring for the first 10 years.
After 10 years at 12%: invested ₹6L, corpus ₹11.5L. Good, not great.
After 20 years: invested ₹12L, corpus ₹49.5L. Now we’re talking.
After 25 years: invested ₹15L, corpus ₹93.9L — just short of a crore. The last five years added ₹44 lakh.
Slow, then fast. Most people quit during the slow part.
And if you’re starting with ₹500 instead of ₹5,000? Same 12%. At 20 years: ₹4.95 lakh. At 25 years: ₹9.39 lakh. Reaching ₹1 crore takes 43 to 47 years depending on which Nifty 50 return you assume — 44.4 years at 12%. Nobody gets rich that way, and that’s fine. The habit is the point, and you can step it up every year.
What four real SIPs delivered over 10 years
Real numbers, computed from AMFI’s published NAV history. ₹5,000/month on the 1st for 120 months, October 2016 → 30 September 2026, Direct Growth plans, total invested ₹6,00,000.
| Fund (Direct-Growth) | Value after 10 yrs | 10-yr XIRR |
|---|---|---|
| Quant Small Cap | ₹23,07,000 | 25.41% p.a. |
| Nippon India Small Cap | ₹18,93,000 | 21.76% p.a. |
| Parag Parikh Flexi Cap | ₹14,25,000 | 16.50% p.a. |
| Mirae Asset Large Cap | ₹10,61,000 | 10.98% p.a. |
Source: AMFI NAV history, Direct Growth plans, as of 30 Sep 2026. XIRR computed from actual monthly cash flows. Past performance does not guarantee future returns.
Read the spread, not the top line. These four were chosen because they performed well — this is a survivorship-selected list, and a fund you did not see on this table would have done worse. Even the weakest of these turned ₹6 lakh into ₹10.6 lakh. But the gap between the best (25.4%) and the worst (11.0%) is the actual lesson: picking a fund is its own skill, and ₹23 lakh is not a number to plan around.
The debate: Active fund vs Index fund
The SPIVA India report (S&P Dow Jones Indices, Year-End 2024) found that among active Indian large-cap funds:
- 60% underperformed the benchmark over 1 year
- 75% over 3 years
- 93% over 5 years
Put simply: picking an active large-cap fund is a bet against the market, and most managers lose it.
For a beginner, the sensible default is a Nifty 50 index fund — low expense ratio (~0.2% vs 1–1.5% for active), tracks the market, no fund-manager risk. Over 20 years that 0.7–1% difference is worth lakhs on a ₹5,000/month SIP.
The risks (must read)
Most SIP articles skip the risks. This one won’t.
1. SIPs lose money in down markets. An equity SIP is still in the stock market. If the market falls 30%, your portfolio falls roughly 30%. The difference is you keep buying more units cheap. The pain is real.
2. CAGR ≠ your actual return. Fund houses advertise point-to-point CAGR. Your SIP return (XIRR) is lower, because later instalments had less time to compound. A 16% CAGR fund might return ~13.4% XIRR over 3 years.
3. Most people quit too early. Of the 3.48 crore SIPs registered in calendar 2023, only 1.82 crore were still active at end-2024 — a 48% closure rate within two years. For comparison, the 2022 cohort closed at 42%. The biggest risk isn’t the market. It’s you quitting. (Business Standard, 7 Mar 2025, citing AMFI SIP-longevity data. This is cohort survival within two years, not a monthly stoppage ratio — the two are different measures and shouldn’t be mixed.)
4. Tax is real.
- LTCG (held >12 months): 12.5% on gains above ₹1.25 lakh/year
- STCG (sold within 12 months): 20% + 4% cess
- Each SIP instalment has its own 12-month clock, so a redemption after 5 years can be partly LTCG, partly STCG.
Source: Income Tax Act, Finance (No.2) Act 2024, effective 23 July 2024. Slab rates and the old vs new regime choice are covered separately in our tax regime guide.
5. Expense ratio eats returns. A direct plan costs ~0.2–1% TER. A regular plan costs ~1–1.5%, and your adviser takes a cut. Choose Direct-Growth.
But the fee saving is not the whole story, and it isn’t the whole point. AMFI data (March 2024) shows that only 21.2% of regular-plan investments had been held for over five years, against 7.7% of direct-plan investments — direct-plan investors were buying the cheaper option and then holding it for less time. Pick Direct-Growth because the fee is lower; then don’t let the saving get spent on impatience.
Debunking the myths
“SIPs guarantee returns.” No. Equity SIPs are market-linked. No capital protection.
“₹500/month will make me a crorepati.” Not in any realistic working lifetime. At 12% it takes over 44 years — 43 to 47 years depending on which Nifty 50 return you assume. It’s still an excellent way to build the habit; it just isn’t a wealth plan on its own.
“I should pause my SIP when markets crash.” That’s exactly when you shouldn’t. Crashes let you buy more units cheap.
“Mutual funds are tax-free.” No. LTCG above ₹1.25 lakh is taxed at 12.5%; STCG at 20%.
“Index funds are always best.” For large-cap investing, the data says yes. For mid and small caps, some active funds do beat the index.
“I need a demat account to start a SIP.” False. You need PAN + KYC + a bank account. Platforms like Groww and MFCentral let you invest without a demat account.
“CAGR is the return I’ll get.” Your actual SIP return is XIRR, which is lower.
“I should wait until I have more money to start.” This one is half-true, and the honest version matters. Starting earlier is genuinely better for the same monthly amount — time in the market beats timing the market. But ₹500/month for 25 years is ₹9.4 lakh, while ₹5,000/month for 20 years is ₹49.5 lakh. Starting small is worth it as a habit. Waiting because you’re waiting for a “meaningful” amount is not — that’s the expensive delay. Start at ₹500 if that’s all you have, and raise it every year.
How to start your first SIP
Takes 15–30 minutes.
Step 1 — Documents: PAN card, Aadhaar linked to your mobile number, a bank account with net banking or UPI.
Step 2 — KYC (one-time, 5–10 minutes): Use Aadhaar eKYC (OTP-based). SEBI requires KYC to be completed on an “officially valid” document; existing folios were given until 31 March 2025 to re-validate. Check your KYC status on the KYC Registration Agency website.
Step 3 — Pick a platform:
- Groww — simple app, low minimum SIP, no demat needed
- Zerodha Coin — if you already have a Zerodha account
- MFCentral — official AMFI/RTA platform, unified view of all your MF holdings
- Direct AMC website — for a single fund
Step 4 — Choose your fund. For a beginner, one of:
- A Nifty 50 index fund (UTI, HDFC, ICICI Prudential, most AMCs offer one) — ~0.2% expense, no fund-manager risk
- A flexi-cap fund — more diversified
Always select the Direct-Growth plan. The regular plan costs you roughly 0.5–1% a year in commission, paid out of your returns.
Step 5 — Amount and date. Minimum SIPs start around ₹100–500. Set the date 3–5 days after your salary lands, so the money leaves before you spend it.
Step 6 — Auto-payment. UPI AutoPay is instant on most apps; e-NACH handles higher limits but takes 24–72 hours to activate.
Step 7 — Nominee. Two minutes. Without one, getting money to your family is a legal hassle rather than a bank slip.
What should YOU do next?
If you’re like Rahul (25, Pune): Start a ₹5,000/month SIP in a Nifty 50 index fund. This week, not after two months of research. Set it up in 20 minutes. Raise it 10% at every appraisal.
If you’re like Priya (35, Bangalore): Start ₹15,000/month split between a Nifty 50 index fund (₹10,000) and a flexi-cap fund (₹5,000). You have 20 years. Discipline beats perfection.
If you’re like Vikram (42, Delhi): Start ₹20,000/month in a balanced advantage fund or a Nifty 50 index fund. You have 15–18 years and won’t hit ₹1 crore easily — but you’ll build something real. Move the ₹15L FD into a mix of debt funds and equity SIPs over 6–12 months.
Everyone:
- Start a SIP. This week.
- Auto-debit for the 5th of every month.
- Don’t check the portfolio for the first 2 years.
- Don’t stop when the market falls. That’s when you’re buying cheap.
- Raise your SIP 10% every year.
SIP questions beginners actually ask
How much does a ₹500/month SIP become?
At 12% a year, ₹500/month becomes ₹9.4 lakh in 25 years and ₹4.95 lakh in 20 years. Reaching ₹1 crore takes 43 to 47 years depending on the return you assume — 44.4 years at 12%. It builds the habit. It is not a crorepati plan.
How long does it take to reach ₹1 crore with SIP?
A ₹5,000/month SIP crosses ₹1 crore at 25.5 years — instalment 306 — at 12% a year (1% a month). The figure is arithmetic from FV = P·[(1+i)ⁿ−1]/i, not a forecast. Actual returns vary in both directions.
Is SIP better than a fixed deposit?
Over 20 years on ₹10,000/month: an FD at 7% reaches ₹52.4 lakh, ₹43.9 lakh after tax at 30% on the gain, and ₹13.7 lakh in today’s money. The same money in a SIP at 12% reaches ₹98.9 lakh, ₹89.6 lakh after LTCG, and ₹27.9 lakh real. That is a ~₹46 lakh nominal gap, ~₹14.3 lakh after inflation.
Do I need a demat account to start a SIP?
No. You need PAN, completed KYC and a bank account with net banking or UPI. Groww, MFCentral and individual AMC sites all let you start a SIP without a demat account.
Is SIP tax-free?
No. Each instalment has its own 12-month clock. Gains above ₹1.25 lakh a year held over 12 months are taxed at 12.5% (LTCG); gains inside 12 months are taxed at 20% (STCG). Rates effective 23 July 2024 under the Finance (No.2) Act 2024.
Should I choose a direct or regular plan?
Direct-Growth costs roughly 0.5–1% a year less. But AMFI data (March 2024) shows 21.2% of regular-plan investments were held over five years against 7.7% of direct-plan — direct-plan investors held shorter. Lower fees are clear; better outcomes are not proven.
The one thing to remember
A ₹5,000/month SIP started at 25 puts you just under ₹1 crore by 50. A ₹500/month SIP won’t get there — not for 43 to 47 years.
The starting amount decides the ending amount. That’s not a motivational point, it’s the arithmetic — and it’s why you should start as large as you can genuinely afford.
But the gap between ₹500 and ₹5,000 is the habit you already have. Anyone who is still doing it in year 10 can step the amount up. Most people quit during the slow part, and the person who quits is the same person whether they started at ₹500 or ₹5,000.
The math works. Compounding works. The market has historically worked.
The only question is whether you’ll stay the course.
Where these numbers come from
- Nifty 50 returns — NSE Indices, Nifty 50 Whitepaper 2026: 11.09% annualised price return and 12.44% total return over the 20 years to 27 Feb 2026. (The 20 years to Jun 2025 gives 12.98% price return on a different window — always quote the window.)
- Fund table — AMFI published NAV history, Direct Growth plans, ₹5,000/month for 120 months (Oct 2016 – 30 Sep 2026), XIRR from actual monthly cash flows.
- Active vs index — S&P Dow Jones Indices, SPIVA India Year-End 2024: 60% / 75% / 93% of active large-cap funds underperformed over 1 / 3 / 5 years.
- SIP closures — Business Standard, 7 Mar 2025, citing AMFI SIP-longevity data: 34.8M SIPs registered in CY2023, 18.2M still active at 31 Dec 2024.
- Direct vs regular holding periods — AMFI, March 2024: 21.2% of regular-plan and 7.7% of direct-plan investments held over five years.
- Tax — Income Tax Act, Finance (No.2) Act 2024, rates effective 23 Jul 2024: LTCG 12.5% above ₹1.25 lakh (s.112A), STCG 20%.
- KYC — SEBI guidelines on an “officially valid” document; existing folios given until 31 Mar 2025 to re-validate.
- All projections — arithmetic from FV = P · [(1+i)ⁿ − 1] / i at the rate stated in each block. No projection is a forecast.
This article is published by the founder of this site. It is educational content, not personalised investment advice, and neither the site owner nor the author is a SEBI-registered investment adviser. For advice on your own situation, consult a SEBI-registered financial advisor.
This article is for educational purposes only. Past performance does not guarantee future returns. Equity investments carry market risk. Mutual fund investments are subject to market risks; read all scheme related documents carefully. Consult a SEBI-registered financial advisor for personalised advice.
