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The Indian banking system plays a vital role in maintaining economic stability by managing the flow of money and credit in the economy. At the heart of this system is the Reserve Bank of India (RBI), the country's central bank, which regulates banks and controls liquidity to ensure smooth functioning of the financial system.
To manage liquidity and influence economic activity, RBI uses several tools, including the Cash Reserve Ratio (CRR), Statutory Liquidity Ratio (SLR), Repo rate, and Reverse Repo rate. These tools help control the amount of money banks can lend, influence inflation, and stabilize the economy.
In this chapter, we will explore these concepts from the ground up, understand their purposes, how they work, and their effects on banks and the economy.
What is CRR? The Cash Reserve Ratio is the minimum percentage of a bank's total deposits that must be kept as cash reserves with the RBI. This amount cannot be used by banks for lending or investment.
Why does CRR exist? CRR ensures that banks always keep a certain amount of money safe and liquid, which helps the RBI control liquidity in the economy. When RBI increases CRR, banks have less money to lend, reducing money supply and controlling inflation. When CRR decreases, banks can lend more, increasing money supply.
| Bank Deposits (INR) | CRR (%) | Amount Reserved with RBI (INR) | Funds Available for Lending (INR) |
|---|---|---|---|
| Rs.100 crore | 4% | Rs.4 crore | Rs.96 crore |
| Rs.200 crore | 5% | Rs.10 crore | Rs.190 crore |
| Rs.500 crore | 3% | Rs.15 crore | Rs.485 crore |
What is SLR? The Statutory Liquidity Ratio is the minimum percentage of a bank's net demand and time liabilities (NDTL) that must be maintained in the form of liquid assets. These assets include government securities, gold, and cash.
Why is SLR important? SLR ensures banks maintain a safe buffer of liquid assets to meet their obligations and remain solvent. It also helps the government borrow money by requiring banks to invest in government securities.
| Parameter | Cash Reserve Ratio (CRR) | Statutory Liquidity Ratio (SLR) |
|---|---|---|
| Purpose | Control liquidity by holding cash with RBI | Ensure solvency and control credit by holding liquid assets |
| Assets Involved | Cash only | Cash, gold, government securities |
| Impact on Bank Funds | Reduces cash available for lending | Reduces investible funds but earns interest |
| Held With | Reserve Bank of India (RBI) | Bank itself (in approved securities) |
What is Repo? Repo (Repurchase Agreement) is a short-term borrowing mechanism where banks borrow money from RBI by selling their securities (usually government bonds) to RBI with an agreement to repurchase them at a later date at a predetermined price. The interest rate charged on this borrowing is called the Repo Rate.
What is Reverse Repo? Reverse Repo is the opposite transaction where RBI borrows money from banks by selling securities to them with an agreement to buy them back later. The interest rate paid by RBI to banks in this transaction is called the Reverse Repo Rate.
Why do these exist? These tools help RBI manage liquidity in the banking system. When RBI wants to inject liquidity, it lowers the repo rate to encourage banks to borrow and lend more. When RBI wants to absorb excess liquidity, it raises the reverse repo rate to encourage banks to park funds with RBI.
graph TD Bank -->|Sells securities + receives cash| RBI[Reserve Bank of India] RBI -->|Agrees to sell back securities later + charges repo rate interest| Bank RBI -->|Sells securities + receives cash| Bank Bank -->|Agrees to buy back securities later + earns reverse repo interest| RBI
| Feature | Repo | Reverse Repo |
|---|---|---|
| Who borrows? | Banks borrow from RBI | RBI borrows from banks |
| Direction of funds | RBI gives cash to banks | Banks give cash to RBI |
| Interest rate | Repo rate (paid by banks) | Reverse repo rate (paid by RBI) |
| Effect on liquidity | Increases liquidity | Absorbs liquidity |
Step 1: Identify the formula for CRR amount:
CRR Amount = \(\frac{CRR\%}{100} \times \text{Total Deposits}\)
Step 2: Substitute the given values:
CRR% = 4%, Total Deposits = Rs.250 crore
CRR Amount = \(\frac{4}{100} \times 250 = 10\) crore
Answer: The bank must keep Rs.10 crore as cash reserve with RBI.
Step 1: Use the SLR formula:
SLR Amount = \(\frac{SLR\%}{100} \times \text{NDTL}\)
Step 2: Substitute the values:
SLR% = 18%, NDTL = Rs.400 crore
SLR Amount = \(\frac{18}{100} \times 400 = 72\) crore
Step 3: Calculate funds available for lending:
Funds available = NDTL - SLR amount = Rs.400 crore - Rs.72 crore = Rs.328 crore
Answer: The bank must maintain Rs.72 crore in liquid assets and can lend up to Rs.328 crore.
Step 1: Understand that the repo rate is the interest rate at which banks borrow from RBI.
Step 2: When the repo rate increases from 6% to 7%, borrowing becomes more expensive for banks.
Step 3: As borrowing costs rise, banks may reduce borrowing and lending activities.
Step 4: Reduced lending leads to lower money supply in the economy, helping control inflation.
Answer: The increase in repo rate raises borrowing costs for banks, reduces liquidity, and helps curb inflation.
Step 1: Use the interest formula for reverse repo:
Interest = Principal \(\times \frac{Reverse\ Repo\ Rate}{100} \times \frac{Days}{365}\)
Step 2: Substitute the values:
Principal = Rs.50 crore, Reverse Repo Rate = 4%, Days = 90
Interest = \(50 \times \frac{4}{100} \times \frac{90}{365} = 50 \times 0.04 \times 0.2466 = Rs.0.4932\) crore
Answer: The bank earns approximately Rs.0.49 crore as interest.
Step 1: Calculate CRR amount:
CRR Amount = \(\frac{4}{100} \times 500 = Rs.20\) crore
Step 2: Calculate SLR amount:
SLR Amount = \(\frac{18}{100} \times 480 = Rs.86.4\) crore
Step 3: Calculate total reserves:
Total reserves = CRR + SLR = Rs.20 crore + Rs.86.4 crore = Rs.106.4 crore
Step 4: Calculate funds available for lending:
Funds available = Total deposits - Total reserves = Rs.500 crore - Rs.106.4 crore = Rs.393.6 crore
Answer: The bank must keep Rs.106.4 crore as reserves and can lend Rs.393.6 crore.
When to use: When distinguishing between CRR and SLR in questions.
When to use: While solving numerical problems under time constraints.
When to use: To understand the flow and purpose of repo and reverse repo operations.
When to use: In theoretical questions on monetary policy impact.
When to use: During exam preparation to improve problem-solving skills.
| Parameter | Cash Reserve Ratio (CRR) | Statutory Liquidity Ratio (SLR) | Repo | Reverse Repo |
|---|---|---|---|---|
| Purpose | Control liquidity by holding cash with RBI | Ensure solvency and control credit by holding liquid assets | Short-term borrowing by banks from RBI | RBI borrows from banks to absorb liquidity |
| Assets Involved | Cash only | Cash, gold, government securities | Securities sold to RBI | Securities bought from RBI |
| Held With | RBI | Bank itself | RBI | Banks |
| Effect on Liquidity | Reduces funds available for lending | Reduces investible funds but earns interest | Increases liquidity | Absorbs liquidity |
| Interest Rate | N/A | N/A | Repo rate (paid by banks) | Reverse repo rate (paid by RBI) |
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