NetReturns

Beginner guide · 6-minute read

Mutual funds and SIPs, explained simply

A mutual fund pools money from many people and invests it in shares, bonds or both, run by professionals. A SIP (systematic investment plan) lets you put a fixed amount into a fund every month.

Checked on 14 Oct 2026 against SEBI's mutual fund rules and the Finance Act, 2026.

In one minute

Who regulates it
SEBI, the securities market regulator.
How much to start
Many funds accept a SIP from ₹100 to ₹500 a month.
What it pays
Nothing fixed. Returns depend on how the fund's investments do.
What it costs
A yearly fee (expense ratio) taken from the fund. Direct plans cost less than regular plans.

How it works, with real numbers

Say you invest ₹5,000 a month for 15 years in an equity fund: ₹9,00,000 of your money. If the fund grows 12% a year (a planning assumption, not a promise), it would be worth about ₹23,79,657. After tax when you sell, you'd keep about ₹22,03,299.

Markets don't move in a straight line, so treat that as one possibility. At 10% a year you'd keep about ₹18,80,091; at 14%, about ₹25,91,608.

Try the SIP calculator

Pros and cons

Good things

  • Professionals do the picking. And one fund spreads your money across many companies or bonds.
  • Start small. ₹100 to ₹500 a month in many funds.
  • Easy to get out. Most funds can be sold any working day.
  • Regulated. SEBI sets rules on how funds invest and report.
  • Tax only when you sell. And equity funds get a ₹1.25 lakh yearly allowance on long-term gains.
  • A fund for every goal. From very steady debt funds to growth-focused equity funds.

Things to watch

  • No guaranteed return. The value can fall, sometimes sharply.
  • Fees reduce returns. The expense ratio is taken every year, whether the fund does well or not.
  • Exit loads. Some funds charge a small fee if you sell within a year.
  • Too many choices. Thousands of schemes can make it hard to pick.

Is it right for you?

A good fit if you…

  • are investing for 5 years or more
  • can stay calm when the value drops for a while
  • want to invest a little every month

Not a good fit if you…

  • need a fixed, guaranteed amount on a fixed date
  • will need the money within a year or two (for equity funds)

Mistakes to avoid

  • Stopping SIPs when markets fall. Falls are when your SIP buys more units for the same money.
  • Picking funds by last year's return. Look at long-term record, costs and how well the fund fits your goal.
  • Owning many similar funds. Five large-cap funds aren't diversification.
  • Paying regular-plan fees without knowing. The direct plan of the same fund costs less every year.

How to start

  1. Complete KYC once with your PAN and Aadhaar.
  2. Choose where to invest: the fund house's website, a registrar's platform, or an investment app.
  3. Pick a fund type that matches your goal and timeframe.
  4. Choose the direct plan to keep fees low.
  5. Set up the SIP with an auto-debit, and review once a year.

Words you'll see

SIP
Systematic Investment Plan: a fixed amount invested automatically every month.
NAV
Net asset value: the price of one unit of the fund on a given day.
Units
What you own in a fund; your money buys units at the day's NAV.
Expense ratio
The fund's yearly fee, taken out of the fund before returns reach you.
Direct plan
Buying from the fund house without a distributor; lower fees than a regular plan.
Exit load
A small charge some funds take if you sell within a set time.
AMC
Asset management company: the firm that runs the fund.
Try it with your own numbersSee the tax, what you keep, and how it compares with other options.

This guide explains how things work. It is not advice on what you should invest in. NetReturns is not SEBI-registered.