Debt funds lend your money to the government, banks and companies and earn interest on it. They move far less than equity, but the value can still dip. Here is what each type holds, the two risks that matter, and how to match one to the date you need the money.
When the government, a bank or a company needs money for a fixed period, it issues a paper promising to pay interest and return the amount on a set date. A debt fund buys hundreds of these papers and passes the interest on to you through a rising NAV.
Two numbers on the fund factsheet tell you most of the story. Yield to maturity is roughly what the papers would earn if held to the end, before the fund's expense ratio. Modified duration tells you how much the NAV may move when interest rates change. A third, credit rating mix, shows how much sits in top-rated papers and how much in lower-rated ones.
Unlike a fixed deposit, the rate is not locked when you invest. Your actual return depends on what the papers earn and how rates move while you hold the fund.
Four common types
Liquid, short duration, corporate bond, gilt
There are more than a dozen debt categories. These four cover what most families need. The real difference between them is how long their papers run and who they lend to.
Treasury bills, bank and company short-term papers
Up to 91 days
Very low
Low
A few days to 6 months
Short duration
Mix of government, bank and company bonds
Portfolio duration 1 to 3 years
Low to moderate
Low to moderate
1 to 3 years
Corporate bond
At least 80% in the highest-rated company bonds
Usually 2 to 4 years
Moderate
Low
3 years or more
Gilt
At least 80% in central and state government bonds
Often 5 to 15 years
High
Almost none
5 years or more, if you can sit through swings
Category rules as of 2026, check current rules. Each fund's own scheme document and monthly factsheet are the final word on what it holds.
The two risks
Debt funds do not fall for the same reasons shares do
1. Interest rate risk
Bond prices and interest rates sit on a seesaw. When rates rise, older bonds paying a lower rate are worth less, so the NAV dips. When rates fall, the NAV rises. The longer the papers run, the bigger the swing.
Rough rule: a 1 percentage point rise in rates moves the NAV down by about the fund's modified duration in percent. On ₹1,00,000 in a fund with a duration of 3 years, that is a dip of about ₹3,000. In a gilt fund with a duration of 8 years, about ₹8,000.
Hold for at least as long as the duration and the higher interest earned later usually makes up the dip. That is why we match duration to your timeline.
2. Credit risk
A company that borrowed through a bond may be downgraded, pay late or not pay at all. The price of that paper drops at once, and so does the NAV, even if rates have not moved.
Rough rule: if 5% of a fund sits in one paper and that paper loses half its value, the NAV falls about 2.5% in a day. Rules let a fund park such a paper in a separate "side pocket" so new money is not affected, but existing holders still carry the loss until it is recovered.
For money you cannot afford to see dip, we stay with funds holding mostly government and top-rated papers, and avoid chasing a slightly higher yield.
Figures are rounded and simplified for illustration. Mutual fund investments are subject to market risks, read all scheme related documents carefully. Past performance may or may not be sustained in future.
Match it to your date
When do you need this money back?
The single most useful question. Pick a fund whose papers mature around the time you need the money, so a rate change has little room to hurt you.
Salary parked before an investment, money set aside for a payment next quarter. Withdrawals usually reach your bank the next business day.
3 to 12 months
Liquid or money market funds
A slightly longer parking spot, such as part of an emergency fund or a vehicle down payment later this year.
1 to 3 years
Short duration funds
School fees due in two years, a planned renovation. Small dips can happen; time usually smooths them.
3 years or more
Corporate bond or gilt funds
The stable part of a long-term plan sitting next to equity. Gilt only if you are fine with sharper swings along the way. For a mix of both in one fund, see hybrid funds.
Tax, briefly
How debt fund gains are taxed
Rules as of 2026, check current rules. Your own tax position can change the picture, so we look at it before suggesting anything.
Units bought from 1 April 2023Gains are added to your income and taxed at your slab rate, however long you hold.
When tax is dueOnly when you redeem. Gains left inside the fund are not taxed year by year, unlike FD interest.
Older unitsUnits bought before 1 April 2023 can follow different rules. We check your purchase dates before any switch.
Last year's return is the last thing we look at. A debt fund that topped the table often did so by taking more rate or credit risk than its holders realised.
Credit quality. What share sits in government and top-rated papers, and what sits below that.
Duration against your date. A 4-year duration for money needed in 18 months is a mismatch.
Yield minus expense ratio. What you may actually earn once the fund's yearly costs are taken out.
Concentration. No single company paper large enough to hurt badly if it slips.
Exit load and withdrawal time. So you know what it costs and how fast money comes back if plans change.
Questions
Debt fund FAQ
Not covered here? Ask on WhatsApp, a person replies.
Is a debt fund safer than a fixed deposit?
It is different, not simply safer or riskier. A bank FD fixes your rate on day one. A debt fund's value moves daily with interest rates and the credit quality of its papers. In return, you can withdraw any business day, gains are taxed only when you redeem, and there is no penalty structure like an FD premature break, though some funds charge a small exit load.
Can a debt fund give a negative return?
Over a few days or weeks, yes, mainly after a sharp rise in rates or a credit event. Over a holding period that matches the fund's duration, negative results are uncommon for funds holding mostly government and top-rated papers, but they are not ruled out.
How much do I need to start?
Many debt funds accept a lump sum from ₹500 to ₹5,000 and a monthly SIP from ₹500. Check the minimum in the scheme document, it varies by fund.
Should I use a liquid fund for my emergency money?
A liquid fund suits most of an emergency fund well, with a small part in your savings account for same-day needs. Redemptions usually reach your bank the next business day. Some funds also allow a small instant withdrawal.
Can I take a regular monthly income from a debt fund?
Yes, through a systematic withdrawal plan, where a fixed amount is redeemed each month. Read how it works on our SWP page. Each withdrawal is part capital and part gain, and only the gain is taxed.
Free help
Tell us the amount and the date. We will suggest the debt category.
We reply on WhatsApp with the category that fits your timeline, what it holds, and the risk to expect. No charge, and you are under no obligation to invest through us.
Category matched to when you need the money
Duration and credit quality explained in plain words
