What is a SIP — and why starting at 25 is worth 3x more than starting at 35
Kaeqo Capital · 5 min read · 10 Apr 2026
Let's start with a number that surprises most people.
If you invest ₹5,000/month starting at age 25 and stop at 60, you'll have invested ₹21 Lakhs over 35 years. At a 12% average return, that grows to approximately ₹3.24 Crore.
Now imagine your colleague starts the exact same SIP — same amount, same fund — at age 35 instead. They invest for 25 years and put in ₹15 Lakhs. At the same 12%, they end up with approximately ₹94 Lakhs.
Same monthly investment. Same fund. The only difference: 10 years.
You ended up with 3.4x more money.
That's the power of compounding. And a SIP is the simplest, most accessible way to use it.
What exactly is a SIP?
SIP stands for Systematic Investment Plan. It's a way of investing a fixed amount of money into a mutual fund at regular intervals — typically monthly, though weekly and quarterly options exist.
Think of it like an EMI — but instead of paying off a purchase, you're building wealth.
When you set up a SIP of ₹5,000/month into, say, a large-cap equity mutual fund, the amount is automatically debited from your bank account on a date you choose, every month. The money buys units of the fund at whatever the current price is.
The two things that make SIPs work
1. Rupee cost averaging
When markets are up, your ₹5,000 buys fewer units. When markets are down, it buys more. Over time, this averages out your purchase cost — which means you don't need to time the market. You just keep investing.
This is especially valuable during market crashes. When everyone panics and pulls money out, your SIP is quietly buying more units at lower prices.
2. Compounding
Compounding means your returns also start earning returns. It's not linear — it's exponential. And time is the most important ingredient.
"Compound interest is the eighth wonder of the world. He who understands it, earns it; he who doesn't, pays it." — Often attributed to Einstein
How much should your SIP be?
A simple starting framework: 10–20% of your take-home income.
If you take home ₹50,000/month, starting with ₹5,000–10,000/month in a SIP is a reasonable place to begin. You can always increase it later using a Step-Up SIP (which automatically increases your SIP amount by a fixed percentage each year).
Common questions
Can I stop a SIP if I need to? Yes. Most SIPs can be paused or stopped at any time without penalty. Your invested money stays in the fund and continues growing.
Is there a minimum amount? Most funds allow SIPs starting at ₹500/month. Some start at ₹100.
What if the market crashes after I start? Keep investing. A market crash is your SIP's best friend — you're buying more units at lower prices. The people who stopped SIPs in March 2020 missed the recovery. Those who kept going (or increased their SIP) did very well.
The bottom line
A SIP is not a "get rich quick" product. It's a "get reasonably wealthy over a long time" product — and there's nothing boring about having ₹3 Crore when you retire.
The best time to start a SIP was 10 years ago. The second best time is today.
If you'd like help choosing the right fund for your first SIP, talk to us. It takes about 10 minutes.
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If you have questions about anything covered here — or want personalised advice — we're happy to help.