My home loan rate dropped: lower EMI or shorter tenure?

Both are arithmetic, not a verdict. On ₹50 lakh with 20 years left, a cut from 8.5% to 8% can lower the EMI from ₹43,391 to ₹41,822, saving ₹3,76,560 of interest. Keeping the EMI instead ends the loan 20 months sooner and saves about ₹8.7 lakh. Lenders must offer you the choice.

What a rate cut changes on a floating loan

On a floating-rate home loan, the rate is reset when the benchmark it is linked to moves. The lender then has to fit the same outstanding balance to the new rate, and there are two ways to do it: keep the number of months and lower the EMI, or keep the EMI and shorten the number of months.

RBI rules on floating-rate loans ask lenders to tell you at a reset how the change will be applied, and to let you choose between a change in the EMI, a change in the tenure, or a mix of the two. Many lenders apply the change to the tenure unless asked otherwise, so it is worth checking which one your lender has done.

EMI = P × i × (1 + i)^n ÷ ((1 + i)^n − 1), where i is the monthly rate and n the months left

Both choices, worked

Take ₹50,00,000 outstanding with 240 months left at 8.5%. The EMI is ₹43,391, and over the 20 years the interest comes to ₹54,13,840.

If the rate falls to 8% and the months stay at 240, the EMI becomes ₹41,822: ₹1,569 less leaving the account every month, and ₹50,37,280 of interest over the term, which is ₹3,76,560 less than before.

If the EMI stays at ₹43,391 instead, the same balance is cleared in 220 months, 20 months sooner. The interest falls to about ₹45.5 lakh, roughly ₹8.7 lakh less than before the cut. The rates here are an example, not any lender’s.

Why the two save such different amounts

Interest is charged on the balance still owed. Keeping the EMI where it was means the money freed by the lower rate goes to principal every month, so the balance falls faster and every later month carries less interest. Lowering the EMI hands that money back to you each month instead, and the balance falls on its original schedule.

Neither is the right answer for everyone. A lower EMI is ₹1,569 a month of room in the budget, which matters if money is tight or another loan is costing more. A shorter tenure is a larger total saving and an earlier last EMI. Which matters more depends on the rest of your money, which only you can see.

The same choice when rates rise

A rate rise works the other way. If the same loan moved from 8.5% to 9% and the EMI stayed at ₹43,391, the loan would run 268 months instead of 240: 28 more EMIs. Raising the EMI to ₹44,986 instead keeps the end date where it was.

Lengthening a loan quietly is the costly direction, which is why it is worth reading the letter a lender sends at each reset, and asking for the EMI to change if a longer loan is not what you want.