How Monetary Policy Transmission Works in India — From Repo Rate to Your Bank

Monetary policy transmission is the process of how the RBI's repo rate changes affect bank interest rates. This mechanism directly impacts your loan EMIs and the returns you earn on fixed deposits.

TrustyBull Editorial 5 min read

How RBI’s Interest Rate Changes Affect Your Loans and Deposits

You see a headline on the news: “RBI cuts repo rate by 25 basis points.” You might just scroll past it, thinking it’s complex financial news that doesn’t affect you. But what if that small change could reduce your home loan EMI by a few thousand rupees? The decisions made in a boardroom at the Reserve Bank of India (RBI) have a direct path to your bank account. To understand this path, you first need to know what is interest rate. An interest rate is simply the price you pay for borrowing money, or the reward you get for saving it.

The process of how the RBI's policy rate changes trickle down to the interest rates you see is called monetary policy transmission. It’s like a chain reaction. Sometimes this chain is fast and smooth; other times, it's slow and clunky. Let's break down how this journey from the RBI to your bank actually works, step by step.

Step 1: The RBI Announces Its Decision

It all starts with the RBI's Monetary Policy Committee (MPC). This group of experts meets every two months to decide on the key policy rate for the country: the repo rate. The repo rate is the interest rate at which commercial banks borrow money from the RBI for their short-term needs.

The MPC has two primary goals:

  1. Control Inflation: If prices are rising too fast (high inflation), the MPC might increase the repo rate. This makes borrowing more expensive for banks, and in turn, for you. The goal is to reduce spending in the economy and bring prices down.
  2. Support Economic Growth: If the economy is slow, the MPC might decrease the repo rate. This makes borrowing cheaper, encouraging businesses to invest and people to spend, which helps the economy grow.

This decision is the first and most powerful signal sent to the entire financial system. You can follow these decisions directly on the RBI's official press releases.

Step 2: Banks’ Cost of Borrowing Changes

When the repo rate changes, the first thing it affects is the cost of funds for banks like SBI, ICICI, and HDFC Bank. If the repo rate goes down, it becomes cheaper for these banks to borrow money from the RBI. If it goes up, it becomes more expensive.

Think of it like this: The RBI is the wholesaler of money, and banks are the retailers. If the wholesaler drops the price of its product (money), the retailer's costs go down.

However, borrowing from the RBI is not a bank's only source of money. They also get a large portion of their funds from customer deposits—the money you and I keep in our savings accounts and Fixed Deposits (FDs). The interest banks pay on these deposits is also a major part of their cost of funds.

Step 3: Banks Adjust Their Lending Rates

This is the most critical and often the slowest step in the transmission process. After their own cost of funds changes, banks are supposed to adjust the interest rates they charge on loans—for homes, cars, personal needs, and businesses.

In the past, this didn't happen very quickly. Banks would be quick to raise loan rates when the repo rate went up but very slow to lower them when it came down. This was because their cost of funds was a mix of many things, including old, high-interest FDs that they were still paying for.

To solve this problem, the RBI introduced a new system. Since October 2019, all new floating-rate retail loans must be linked to an external benchmark. For most banks, this benchmark is the RBI's repo rate itself. This is called the External Benchmark Linked Rate (EBLR) system. It forces banks to pass on changes in the repo rate directly and quickly to new borrowers.

Step 4: The Final Impact Reaches Your Wallet

This is where the policy decision finally affects you. The impact is different for borrowers and savers.

For Borrowers

If you have a floating-rate loan (like a home loan) that is linked to an external benchmark, a change in the repo rate will directly affect your EMI. Banks usually have a reset period, typically once every three months. At the start of the next reset period after an RBI rate change, your loan's interest rate will be adjusted, and your EMI will change.

An Example of Transmission
Imagine the RBI cuts the repo rate by 0.50%.
  • Your Loan: You have a 50 lakh rupee home loan for 20 years, linked to the repo rate.
  • Bank's Action: At the next reset date, the bank reduces your loan's interest rate by 0.50%.
  • Your EMI: Your monthly EMI could decrease by approximately 1,500 rupees. This frees up money for you to save or spend elsewhere.

For Savers

The news is not always good for savers. When banks lower their lending rates, their profit margins shrink. To protect their margins, they also reduce the interest rates they offer on savings products like Fixed Deposits and recurring deposits. So, a repo rate cut that helps borrowers often means lower returns for people who rely on interest income from their savings.

Why Transmission Can Be Imperfect

Even with the EBLR system, monetary policy transmission isn't always perfect. Here are a few reasons why the full effect of an RBI rate cut might not reach you:

  • Old Loan Structures: Many people still have older loans on systems like the Marginal Cost of Funds based Lending Rate (MCLR) or Base Rate, which are not as sensitive to repo rate changes.
  • Credit Risk: A bank adds a 'spread' or margin over the repo rate based on its own costs and the borrower's credit risk. If the bank feels the economy is risky, it might not pass on the full benefit.
  • Bank Health: If a bank has a lot of bad loans (Non-Performing Assets), it might be more focused on protecting its profits than on passing rate cuts to customers.

How to Make Monetary Policy Work for You

You can take a few steps to position yourself better for these changes:

  1. Review Your Home Loan: If you are on an older MCLR or Base Rate system, check with your bank about the process and costs of switching to an EBLR-linked loan. The transmission is much faster.
  2. Plan Your Savings: When you hear that interest rates are likely to fall, you could consider locking your money into longer-term FDs to secure a higher rate before it drops.
  3. Stay Informed: Pay attention to the RBI's bi-monthly policy announcements. Understanding the direction of interest rates helps you make better financial decisions, whether you are borrowing or saving.

Frequently Asked Questions

What is monetary policy transmission?
It's the process by which the RBI's decisions on policy rates, like the repo rate, are passed on by banks to their customers in the form of different loan and deposit interest rates.
Why don't my loan rates change immediately after an RBI announcement?
Transmission can be slow because banks have other costs, like interest on existing fixed deposits. Also, loans on older systems like MCLR adjust slower than new EBLR-linked loans.
Does a repo rate cut always mean lower EMIs?
For floating rate loans linked to an external benchmark, yes, your EMI should decrease after the loan's reset period. For fixed-rate loans, the EMI will not change.
How does the repo rate affect my fixed deposits (FDs)?
When the RBI cuts the repo rate, banks often lower their FD interest rates as well to manage their costs. This means you might earn less on your savings.