EMI, Flat vs Reducing Interest: How Loan Schedules Work

Most loan disputes are not about dishonesty. They are about two people using different arithmetic. One person thinks of interest on the original amount; the other thinks of interest on what is still owed. Both can be called reasonable, yet the totals differ. Understanding the two methods, and writing down which one applies, prevents most arguments before they start.

What an EMI is

EMI stands for equated monthly instalment: a fixed payment made each month that covers both interest and a portion of the principal. With a fixed EMI, early payments are mostly interest and later payments are mostly principal. Not every lender uses a fixed EMI. Some use equal principal with falling interest, and some collect interest only until a bullet repayment. The important thing is that the method is named in the agreement.

Flat interest

Under flat interest, interest is calculated on the original loan amount for the whole term, regardless of how much has been repaid. The total interest is added to the principal and divided by the number of instalments.

As an illustration only, suppose a borrower takes 100,000 rupees for 12 months at 12 percent flat. Interest is 12,000 rupees. Total repayable is 112,000, so each instalment is about 9,333 rupees.

Reducing balance interest

Under reducing balance, interest each month is calculated on the principal still outstanding. As the borrower repays principal, interest shrinks. With the same example, 12 percent a year is 1 percent a month, and the EMI works out to about 8,885 rupees. The total repayable is about 106,619 rupees, which is lower than under flat interest even though both are described as 12 percent.

Item (illustration)	Flat	Reducing
Loan	100,000	100,000
Quoted rate	12% flat	12% yearly on balance
Monthly instalment	about 9,333	about 8,885
Total interest	12,000	about 6,619

These numbers are examples of arithmetic, not recommended rates. Your agreed rate and permitted methods depend on your business and on the rules that apply to you, so confirm them with the relevant authority or a lawyer.

Why the quoted rate can mislead

A flat rate looks lower than the effective cost because the borrower keeps paying interest on money already returned. Lenders and borrowers should therefore compare loans using the same method. A good practice is to show the borrower the total amount repayable and the total interest in rupees on the schedule, in addition to the rate. This is easy to understand and leaves little room for later disagreement.

Building a schedule step by step

1. Record the principal, rate, term and start date in BS.
2. Choose the method: flat, reducing or interest-only.
3. Choose instalment frequency: monthly, weekly or custom.
4. Generate due dates, making sure they fall on valid BS dates.
5. Split each instalment into principal and interest.
6. Show the closing balance after each payment.
7. Print the schedule and have the borrower sign the agreement.

What happens when payments are not on schedule

Real borrowers pay early, late and in parts. Decide in advance how each case is handled. For a late payment, does interest continue on the same basis, and is a penalty charged on the overdue amount only? For a prepayment, does the borrower reduce the instalment or shorten the term? For a partial payment, which components are cleared first? Write the rules into your loan agreement and configure them in the software so that they apply identically to every borrower.

Early settlement and payoff quotes

A borrower who wants to close the loan early will ask, "How much do I need to pay today?" The answer should be the outstanding principal plus interest accrued up to that date, plus any agreed charge. Software can compute this for any date in a few seconds and print it. Without it, staff often guess, and a guess is the beginning of a dispute.

Interest-only and bullet loans

Some lenders, especially against land or gold, prefer interest-only loans: the borrower pays interest each month and repays the principal at the end or when able. The schedule is simple, but the risk is that the principal is never touched. If you use this structure, set a maturity date, record each renewal as a decision and review the security value at every renewal. Software should flag loans past maturity just as clearly as loans with a missed instalment.

Rounding and small differences

Because instalments are rounded to whole rupees, the last instalment normally differs slightly from the others. Decide where the rounding difference goes and apply it the same way every time. Borrowers accept small adjustments if they are explained and consistent.

A schedule borrowers can read

The best schedule has few columns: instalment number, due date in BS, principal, interest, total and balance. Include the total repayable at the bottom and the contact number for questions. A short Nepali line explaining what happens on late payment is more useful than a page of legal text nobody reads.

Your next step

Take one of your current loans and recalculate it by hand using the method stated in the agreement. If your figure differs from the notebook, you have found the problem software will solve. Our loan management software generates both flat and reducing balance schedules and prints them with BS dates. Message WebsNP on WhatsApp at +977 9846280400 for a demo. If you lend through a sahakari, our co-operative software applies the same ideas to member loans.

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