Loan Products Masterclass · Part 2 · Loans · 8 min read · July 2026
The minimum due trap: what paying 5% actually does to your bill
Two amounts sit on every credit card statement: the total due, and a much friendlier "minimum amount due." Pay the small one and the app shows a green tick, the bank sends no angry SMS, and your payment history stays clean. It feels like a feature. It is, in fact, the doorway to one of the most expensive loans legally sold in India — and it's designed to feel exactly this comfortable.
- Paying the minimum due avoids a late-payment mark — but the unpaid balance starts accruing interest at roughly 3–3.75% per month, which is 36–45% a year, plus GST on the interest.
- Worse, revolving a balance usually cancels the interest-free period on new purchases — fresh spends attract interest from day one.
- The exits, in order of cost: pay in full, convert the balance to an EMI, transfer it, or replace it with a cheaper personal loan. All four beat the revolving rate.
What the minimum due actually is
The minimum amount due — commonly around 5% of the outstanding, plus any EMIs, fees and overdue amounts — exists to answer one narrow question: what's the least you can pay this month without being reported late? Pay it and the account stays "regular." Your DPD grid, the payment-history record a credit officer scans first, shows a clean month.
What the minimum due does not do is stop the meter. The remaining 95% of your balance rolls forward — "revolves," in card language — and interest begins. Card interest is quoted monthly precisely because the monthly number sounds survivable: 3.5% a month registers as small. Annualised, it's 42%. Add the 18% GST charged on the interest itself, and the true drag crosses comfortably past what any personal loan, gold loan or salary advance would cost you.
The second penalty nobody reads about
The famous "up to 45–50 days interest-free" period on card spends has a condition attached, printed in every card's terms: it applies only when the previous balance was paid in full. The moment you revolve, most issuers suspend it — and every new swipe starts accruing interest from the transaction date, not the due date.
This is the mechanism that makes the trap self-tightening. The card that was a free 45-day float for groceries becomes a 42%-per-year loan on those same groceries, while you're still servicing last month's balance. Spending continues because the green tick said everything was fine.
The math of standing still
Take a ₹1,00,000 balance at 3.5% monthly, paying only the minimum each month. The first month's minimum is about ₹5,000 — of which interest and GST consume roughly ₹4,100. Barely ₹900 touched the actual debt. You paid five thousand rupees to move the balance from ₹1,00,000 to about ₹99,100.
| Strategy on ₹1,00,000 @ 3.5%/month | Time to clear | Approx. interest paid |
|---|---|---|
| Minimum due only (~5%) | Many years | Can approach the principal itself |
| Fixed ₹10,000/month | ~12 months | ≈ ₹21,000 |
| Converted to a 12-month card EMI @ ~16% | 12 months | ≈ ₹9,000 |
| Paid from savings / cheaper loan | Now | Near zero / loan interest only |
Because the minimum shrinks as the balance shrinks, the payoff curve flattens into a tail that runs for years — a design in which the borrower who follows the statement's friendliest suggestion pays the most and finishes last.
What it does to your credit file
Here's the subtle part: minimum-due payers often can't see the damage, because the damage isn't a red mark. The DPD grid stays clean. What moves instead is utilisation — the share of your credit limit in use, one of the heaviest factors in what actually moves your score. A perpetually 80–90% utilised card reads, to every scoring model and every underwriter, as a household running on borrowed oxygen. Lenders on a new loan application may also count a slice of a chronically revolving balance as a monthly obligation, quietly shrinking the FOIR room from the eligibility math.
The ladder out
Every exit from a revolving balance is cheaper than staying in it. In rough order of preference:
- 1. Pay it in full, even if it means raiding a low-yield FD. Breaking a 7% deposit to retire 42% debt is not a sacrifice; it's arbitrage in your own favour.
- 2. Convert the balance to an EMI. Most issuers will restructure the outstanding into a fixed-tenure EMI at roughly 13–18% — a third of the revolving rate, with a defined end date. One phone call or three taps in the app.
- 3. Balance transfer to another card offering a low or zero introductory rate — useful, but only with a written plan to clear it inside the promo window, or the cycle simply relocates.
- 4. A personal loan to consolidate, at 11–16%, converting an open-ended drain into a fixed monthly commitment that actually ends.
The one-line summary
The minimum due protects your payment history, not your money. Treat it as what it is — an emergency shock-absorber for a genuinely bad month, used once and repaired immediately — and a credit card stays a convenience. Treat it as a payment plan, and you've signed up for the most expensive loan you'll ever hold, one green tick at a time.
How that "no-cost EMI" at the checkout counter really gets paid for — and by whom — is next in this masterclass. Coming soon.