SIP vs FD: Which Is Better for Your Money?
A fixed deposit gives certainty; a SIP gives growth potential. We compare both with real numbers over 5 and 10 years, and show when each one makes sense.
Ask ten people where to put ₹10,000 a month and you will hear two answers more than any other: a fixed deposit or a SIP in a mutual fund. One promises a known amount on a known date. The other offers higher growth with no guarantee. Neither is “better” in every case — the right choice depends on when you need the money and how much uncertainty you can live with. This guide compares them with real numbers.
Key takeaways
- An FD or RD gives a fixed, known return; a SIP’s return depends on the market and can be negative in the short term.
- Over 10 years, ₹10,000 a month grows to about ₹17.4 lakh in a 7% RD versus about ₹23.2 lakh in a SIP earning 12%.
- Use deposits for money you need within about 3 years; consider SIPs for goals 5 or more years away.
How each one works
A fixed deposit locks a lump sum with a bank at a fixed rate for a fixed tenure. Most Indian banks compound FD interest quarterly. A recurring deposit works the same way but takes a fixed amount every month — the closest deposit equivalent of a SIP.
A Systematic Investment Plan (SIP) invests a fixed amount in a mutual fund every month. Each instalment buys units at that day’s price. The value of your units rises and falls with the market, so the return is not known in advance.
The numbers: ₹10,000 a month
Let us compare a monthly ₹10,000 in a recurring deposit at 7% with a SIP, using two assumed returns for the SIP — a strong 12% and a more modest 8%.
| Option | After 5 years | After 10 years |
|---|---|---|
| Total invested | ₹6,00,000 | ₹12,00,000 |
| RD at 7% (quarterly compounding) | ₹7,19,328 | ₹17,37,017 |
| SIP at 8% a year | — | ₹18,41,657 |
| SIP at 12% a year | ₹8,24,864 | ₹23,23,391 |
Over 10 years, a SIP that earns 12% ends about ₹5.9 lakh ahead of the RD. But if the SIP earns only 8%, the gap shrinks to about ₹1 lakh — and in a bad market phase, a SIP can be worth less than you put in for a while. The RD figure, by contrast, is certain on the day you open it.
Risk: the part the table does not show
Returns of 12% are an average over long periods, not a yearly promise. Equity funds can fall 20–30% in a difficult year. Over a 10-year horizon there is usually time to recover; over 1–2 years there may not be. That is the real reason deposits remain the right home for short-term money.
Deposits are protected by DICGC insurance up to ₹5 lakh per depositor per bank, including interest. Mutual funds have no such guarantee — they are regulated by SEBI, but their value can go down.
Tax treatment
- FD and RD interest is added to your income every year and taxed at your slab rate, even if you do not withdraw it. TDS may be deducted.
- Mutual fund gains are taxed only when you sell, under capital gains rules that differ for equity and debt funds. For equity funds held long term, the tax is usually lower than slab-rate tax on interest.
For someone in a high tax bracket, this difference can narrow the FD’s post-tax return considerably. Tax rules change, so check the current rates before deciding.
When an FD or RD is the better choice
- You need the money within about 3 years — a car, a wedding, a down payment.
- You are building or parking an emergency fund.
- You cannot afford to see the value fall, even temporarily.
When a SIP is the better choice
- Your goal is at least 5–7 years away — retirement, a child’s education.
- You can keep investing through market falls without stopping.
- You want your savings to beat inflation by a meaningful margin over time.
Why not both?
Most people need both. A sensible structure is: an emergency fund and short-term goals in deposits, long-term goals in SIPs. As a long-term goal comes within 2–3 years, gradually move that money from equity funds into deposits so a late market fall cannot derail it.
Run your own comparison
Use the SIP Calculator and the RD Calculator side by side with your own amount, rate and time period, or the FD Calculator for a lump sum. Try a cautious SIP return as well as an optimistic one — the range tells you more than a single number.
This article is for general information only and is not financial, tax or legal advice. Rates, rules and products change — check current terms with your lender or a qualified adviser. Disclaimer.