Starting a SIP takes less time than most people expect: the paperwork is largely online and the amount can be modest. The decisions before the paperwork matter more — what the money is for, how long it can stay invested, and how much you can keep investing through good months and bad. This guide covers both.
Before you start
You will need:
- your PAN and completed KYC (see Step 5)
- a bank account in your name for the debit mandate
- an email address and mobile number you use regularly
- a rough idea of the goal, the amount and the timeline
Step 1: Define the goal and the horizon
Write down what the money is for and when you will need it: "retirement in 25 years", "daughter's college in 12 years", "home down payment in 6 years". The horizon is the most important input, because it decides how much short-term volatility the investment can tolerate.
If you do not have a specific goal, "long-term wealth, ten years or more" is a legitimate one — as long as you are honest about not needing the money sooner.
Step 2: Check the foundations
A SIP works best when nothing forces you to stop it. Before starting:
- build at least the beginnings of an emergency fund
- make sure dependants are protected with adequate term cover and that the family has health insurance
- pay down high-interest debt such as credit card balances, which usually costs more than investments can reasonably be expected to earn
Step 3: Decide the amount
Work backwards from the goal, or forwards from your budget:
- From the goal: the Goal Calculator estimates the goal's future cost and an illustrative monthly investment.
- From the budget: choose an amount that leaves room for expenses and for building the emergency fund. Many people aim to save 10–20% of take-home pay across all their savings and build up from there.
Pick an amount you could still pay in a lean month. A smaller SIP kept for fifteen years usually achieves more than a larger one stopped after three. You can model different amounts in the SIP Lab.
Step 4: Match the category to the horizon
The table below is general education, not a recommendation for your situation:
| Horizon | Categories commonly considered | Why |
|---|---|---|
| Under 3 years | Liquid, money-market, short-duration debt | Little time to recover from a fall |
| 3 to 5 years | Conservative or balanced hybrid; short- to medium-duration debt | Some growth potential, limited volatility |
| More than 5 years | Diversified equity, index funds, aggressive hybrid | Time to ride out volatility in exchange for growth potential |
Read the riskometer and factsheet of any fund you consider. For a first SIP, simple and diversified is usually easier to understand — and stick with — than narrow or thematic. The mutual funds pages explain each category.
Step 5: Complete KYC
KYC is a one-time identity check that applies across mutual funds. If you have invested before, your KYC may already be in place, but check its status: records that have not been validated against official sources may need an update. Our KYC guide covers documents, methods and statuses.
Step 6: Choose the plan and the option
- Plan: a direct plan has a lower expense ratio; a regular plan includes distributor commission and usually comes with service. See direct vs regular plans.
- Option: the growth option keeps gains invested and suits long-term compounding; the IDCW option pays out distributions, which are taxed as income and reduce the NAV.
Step 7: Set the date and the mandate
Choose a SIP date shortly after your salary arrives, so the money is invested before it is spent. Then register a debit mandate — usually an e-mandate approved through net banking or a debit card — which lets the fund house debit your account on each SIP date. Set the mandate's maximum above your SIP amount so that future step-ups do not need a new mandate.
Add a nominee while you are at it; see our nominations checklist.
Step 8: Track it — lightly
After the first instalment you will receive a confirmation showing the units allotted. From then on:
- Check that each instalment goes through. A failed debit can attract bank charges, and repeated failures can lead to the SIP being cancelled.
- Review once a year: is the goal unchanged, does the amount need a step-up, is the allocation on track?
- Resist checking daily. Short-term movements say little about a ten-year plan, and frequent checking makes it harder to stay invested when markets fall.
When markets fall
They will. A fall early in a SIP means your instalments buy more units at lower prices; stopping then removes that benefit. Our insight on what volatility means for SIP investors explains why staying the course has historically mattered more than timing.
When you are ready, the Start Investing page explains how investing through CompoundX works, including the regulated partner that handles onboarding and transactions.