Bank rate is the rate at which the Reserve Bank of India provides loans to—

1. RBI as the 'Banker to Banks' (basic)

Just as you and I visit a commercial bank (like SBI or HDFC) to deposit our savings or take a loan, commercial banks have their own 'bank' to turn to—the Reserve Bank of India (RBI). This foundational role as the 'Banker to Banks' means the RBI acts as a central clearinghouse and a support system for the entire financial sector. Every Scheduled Commercial Bank is required to maintain a portion of its deposits with the RBI, known as the Cash Reserve Ratio (CRR), which the RBI holds in current accounts Indian Economy, Vivek Singh (7th ed. 2023-24), Money and Banking- Part I, p.69. This setup allows the RBI to facilitate interbank transfers; when banks need to settle debts with one another, the RBI simply adjusts the balances in their respective accounts, ensuring the payment system remains smooth and stable.

The most critical aspect of this relationship is the RBI's role as the Lender of Last Resort. In times of extreme financial stress, if a solvent bank (one that is fundamentally healthy but lacks immediate cash) faces a sudden 'bank run' or liquidity crisis, it can approach the RBI for emergency funds after exhausting all other market options Indian Economy, Nitin Singhania (ed 2nd 2021-22), Money and Banking, p.163. By providing this liquidity against collateral, the RBI prevents individual bank failures from turning into a systemic collapse of the economy.

Furthermore, the RBI uses specific interest rates to manage this relationship. One such tool is the Bank Rate—the standard rate at which the RBI is prepared to buy or rediscount bills of exchange or provide long-term loans to banks Indian Economy, Nitin Singhania (ed 2nd 2021-22), Money and Banking, p.165. Through these lending facilities and its regulatory powers under the Banking Regulation Act 1949, the RBI ensures that banks operate prudently and depositors' interests are protected Indian Economy, Vivek Singh (7th ed. 2023-24), Money and Banking- Part I, p.66.

Feature	Commercial Bank	Reserve Bank of India (RBI)
Primary Customer	Individuals and Businesses	Commercial Banks and Government
Main Objective	Profit maximization	Financial stability and Public interest
Emergency Role	N/A	Lender of Last Resort

Sources: Indian Economy, Vivek Singh (7th ed. 2023-24), Money and Banking- Part I, p.69; Indian Economy, Nitin Singhania (ed 2nd 2021-22), Money and Banking, p.163; Indian Economy, Nitin Singhania (ed 2nd 2021-22), Money and Banking, p.165; Indian Economy, Vivek Singh (7th ed. 2023-24), Money and Banking- Part I, p.66

2. Introduction to Monetary Policy Tools (basic)

To understand how the Reserve Bank of India (RBI) manages the economy, we must first look at its Quantitative Tools. These are instruments designed to regulate the total volume of money and credit in the system. As the 'Banker to Banks,' the RBI uses the Bank Rate as a primary lever to influence the cost of borrowing for the entire banking sector Macroeconomics (NCERT class XII 2025 ed.), Money and Banking, p.42. Specifically, the Bank Rate is the interest rate at which the RBI provides long-term loans and advances to Scheduled Commercial Banks (SCBs) Indian Economy (Nitin Singhania 2nd ed.), Money and Banking, p.165. Historically, the Bank Rate was defined by the RBI Act of 1934 as the rate at which the central bank is prepared to buy or 'rediscount' bills of exchange or other commercial papers. In modern practice, it serves as a benchmark for the cost of credit. Unlike the Repo Rate (which is used for short-term lending against government securities), the Bank Rate is typically applied to loans provided without collateral or approved securities. When the RBI increases the Bank Rate, borrowing becomes more expensive for commercial banks. To maintain their profit margins, these banks pass the cost to consumers by raising their own lending rates, which effectively reduces the money supply and cools down inflation.

Feature	Bank Rate	Repo Rate (for context)
Loan Duration	Long-term	Short-term (Overnight)
Collateral	No collateral required	Requires Government Securities (G-Secs)
Usage	Penal rate and long-term benchmark	Daily liquidity management

Sources: Macroeconomics (NCERT class XII 2025 ed.), Money and Banking, p.42; Indian Economy (Nitin Singhania 2nd ed.), Money and Banking, p.165

3. Statutory Reserves: CRR and SLR (intermediate)

Welcome to Hop 3! Now that we understand how the RBI acts as the 'Banker to Banks,' let's look at the specific rules it uses to ensure banks don't get too reckless with your money. These are called Statutory Reserves. Think of these as safety buckets: a portion of the deposits a bank receives that cannot be lent out to the public. By adjusting the size of these buckets, the RBI directly controls how much money is circulating in the economy.

The first bucket is the Cash Reserve Ratio (CRR). Under Section 42(1) of the RBI Act, 1934, all Scheduled Commercial Banks (SCBs) must keep a certain percentage of their deposits with the RBI in the form of liquid cash Indian Economy, Vivek Singh (7th ed. 2023-24), Money and Banking- Part I, p.63. A crucial point to remember is that the RBI does not pay any interest on these CRR balances Indian Economy, Nitin Singhania (ed 2nd 2021-22), Money and Banking, p.170. If the RBI raises the CRR, banks have less cash to lend, which acts as a limit to money creation and helps cool down inflation Macroeconomics (NCERT class XII 2025 ed.), Money and Banking, p.42.

The second bucket is the Statutory Liquidity Ratio (SLR). While CRR is kept with the RBI, the SLR is maintained by the banks themselves. Instead of just cash, SLR can be held in safe, liquid assets like gold or government-approved securities (G-Secs) Indian Economy, Nitin Singhania (ed 2nd 2021-22), Money and Banking, p.170. Because banks can hold SLR in government bonds, they actually earn interest on these reserves, unlike CRR. This tool ensures that banks always have a 'reserve' of liquid assets to meet sudden demand from depositors and also ensures a steady flow of credit to the government.

Feature	Cash Reserve Ratio (CRR)	Statutory Liquidity Ratio (SLR)
Kept with...	The RBI	The Bank itself
Form	Only Cash	Cash, Gold, and G-Secs
Returns	No interest earned	Earns interest/returns
Impact	Short to medium-term liquidity control	Long-term impact on money supply

Sources: Indian Economy, Vivek Singh (7th ed. 2023-24), Money and Banking- Part I, p.63; Indian Economy, Nitin Singhania (ed 2nd 2021-22), Money and Banking, p.169-170; Macroeconomics (NCERT class XII 2025 ed.), Money and Banking, p.42

4. Short-term Liquidity: Repo and Reverse Repo (intermediate)

To understand short-term liquidity, we must look at the Liquidity Adjustment Facility (LAF). Think of the LAF as a daily 'tuning fork' used by the RBI to maintain the right vibration of money in the economy. It allows banks to manage their immediate cash needs through two primary instruments: Repo and Reverse Repo Vivek Singh, Money and Banking- Part I, p.62. Unlike the Bank Rate, which handles long-term needs, the LAF is designed for day-to-day liquidity management.

The Repo Rate (short for Repurchase Option) is the interest rate at which the RBI lends money to commercial banks for the short term. In this transaction, the bank 'sells' approved government securities to the RBI with an agreement to repurchase them at a future date at a higher price. This effectively injects money into the banking system Nitin Singhania, Money and Banking, p.166. Conversely, the Reverse Repo Rate is the rate at which banks can 'park' their excess funds with the RBI. When the RBI increases the Reverse Repo rate, it becomes more attractive for banks to keep money with the RBI rather than lending it to the public, thus absorbing excess liquidity from the market.

The relationship between these rates is crucial. Typically, the Reverse Repo rate is lower than the Repo rate, creating a 'corridor' for interest rates. When the RBI raises the Repo rate, it becomes more expensive for banks to borrow, which usually leads to a rise in deposit and loan rates for customers. It also directly impacts the Call Money Rate—the rate at which banks lend to each other overnight—because if a bank can earn a risk-free return via the Reverse Repo, it will naturally demand a higher rate from other banks in the open market Vivek Singh, Money and Banking- Part I, p.89.

Feature	Repo Rate	Reverse Repo Rate
Direction of Funds	RBI → Commercial Banks	Commercial Banks → RBI
Purpose	Injects liquidity (money supply increases)	Absorbs liquidity (money supply decreases)
Collateral	Bank provides securities to RBI	RBI provides securities to Bank
Cost	Interest paid by Bank to RBI	Interest paid by RBI to Bank

Sources: Indian Economy, Vivek Singh (7th ed. 2023-24), Money and Banking- Part I, p.62; Indian Economy, Nitin Singhania (ed 2nd 2021-22), Money and Banking, p.166; Indian Economy, Vivek Singh (7th ed. 2023-24), Money and Banking- Part I, p.89

5. Emergency Liquidity: Marginal Standing Facility (MSF) (exam-level)

In the world of central banking, the Marginal Standing Facility (MSF) is often described as the "emergency valve" or the "safety valve" for the banking system. Introduced by the RBI in 2011, it is a window that allows Scheduled Commercial Banks (SCBs) to borrow overnight money from the Reserve Bank of India to deal with unexpected, severe liquidity crunches Vivek Singh, Money and Banking- Part I, p.61.

To understand MSF, we must distinguish it from the standard Repo rate. Under the normal Repo window, banks borrow by pledging government securities that are in excess of their mandatory Statutory Liquidity Ratio (SLR) requirements. However, if a bank has exhausted its extra securities and still faces a cash shortage, it can use the MSF. The unique feature of MSF is that it allows banks to dip into their SLR portfolio (up to a specific limit, currently 2% of their NDTL) to provide collateral for the loan Vivek Singh, Money and Banking- Part I, p.61. Because the RBI is allowing banks to break their SLR discipline, this comes at a penal rate of interest, typically 25 basis points (0.25%) higher than the Repo rate Nitin Singhania, Money and Banking, p.167.

Feature	Repo Rate	Marginal Standing Facility (MSF)
Nature	Standard liquidity injection tool.	Emergency "safety valve" for shocks.
Collateral	Securities above the SLR requirement.	Securities within the SLR quota (up to a limit).
Interest Rate	Policy Rate (Lower).	Penal Rate (Higher; Repo + 25 bps).

It is also vital to note the structural role of MSF in the Liquidity Adjustment Facility (LAF) Corridor. The MSF rate serves as the upper ceiling of this corridor, while the Reverse Repo rate (or SDF) acts as the floor. Furthermore, in modern monetary policy, the Bank Rate is no longer a primary tool for lending but has been aligned directly with the MSF rate Vivek Singh, Money and Banking- Part I, p.62. Today, the Bank Rate (and thus the MSF rate) is used primarily to calculate penalties for banks that fail to maintain their required CRR or SLR levels.

Sources: Indian Economy, Nitin Singhania .(ed 2nd 2021-22), Chapter 7: Money and Banking, p.167; Indian Economy, Vivek Singh (7th ed. 2023-24), Money and Banking- Part I, p.61-62

6. The Bank Rate: Long-term Lending & Rediscounting (exam-level)

Imagine you are a merchant who has sold goods on credit. You hold a piece of paper — a Bill of Exchange — promising payment in three months. If you need cash today, you take it to your commercial bank, which buys it from you at a slight discount. Now, if the commercial bank itself runs low on cash, it takes that same paper to the Reserve Bank of India (RBI). The RBI buys it again, applying another discount. This process is called rediscounting, and the interest rate the RBI charges for this service is technically the Bank Rate.

Under the Reserve Bank of India Act, 1934, the Bank Rate is defined as the standard rate at which the RBI is prepared to buy or rediscount bills of exchange or other commercial papers Indian Economy, Nitin Singhania (ed 2nd 2021-22), Chapter 7: Money and Banking, p.165. However, in modern practice, the usage has evolved. Today, the Bank Rate acts primarily as the rate at which the RBI provides long-term loans and advances to Scheduled Commercial Banks (SCBs). Unlike the Repo Rate, which handles short-term liquidity, the Bank Rate is often used for long-term requirements and does not always require the pledging of specific government securities as collateral.

As the 'Banker to Banks' and the 'Lender of Last Resort', the RBI uses the Bank Rate to signal its monetary policy stance Indian Economy, Nitin Singhania (ed 2nd 2021-22), Money and Banking, p.163. If the RBI wants to control inflation, it increases the Bank Rate. This makes borrowing more expensive for commercial banks, who then raise interest rates for their own customers. This 'dear money' policy reduces the money supply in the economy. Conversely, lowering the rate makes credit cheaper, stimulating growth.

Feature	Bank Rate	Repo Rate
Tenure	Long-term	Short-term (Overnight/14 days)
Collateral	No specific collateral (Rediscounting)	Government Securities (Repurchase)
Usage	Penalty benchmark & Long-term loans	Daily liquidity management

While the RBI regulates various entities including NBFCs and Cooperative Banks Indian Economy, Vivek Singh (7th ed. 2023-24), Money and Banking- Part I, p.66, the Bank Rate is specifically aligned with the commercial banking sector. It also serves as a benchmark for penal interest rates; if a bank fails to maintain its required reserves (like CRR or SLR), the penalty is often calculated as 'Bank Rate plus X%'.

Sources: Indian Economy, Nitin Singhania (ed 2nd 2021-22), Chapter 7: Money and Banking, p.165; Indian Economy, Nitin Singhania (ed 2nd 2021-22), Money and Banking, p.163; Indian Economy, Vivek Singh (7th ed. 2023-24), Money and Banking- Part I, p.66

7. Solving the Original PYQ (exam-level)

Now that you have mastered the various functions of the Reserve Bank of India (RBI), particularly its role as the 'Banker to Banks', this question tests your ability to identify the specific counterparty in monetary policy operations. You have recently learned that the RBI manages liquidity through different windows; while the Repo Rate handles short-term needs, the Bank Rate is a long-term tool. According to Indian Economy, Nitin Singhania, it is the standard rate at which the central bank is prepared to buy or rediscount bills of exchange, effectively acting as the benchmark cost of credit for the banking system.

To arrive at the correct answer, (B) Scheduled Commercial Banks, you must apply the logic of the financial hierarchy. The RBI does not engage in retail banking or direct corporate lending. Instead, it serves as the Lender of Last Resort specifically for the commercial banking sector. When these banks face a liquidity crunch or need to rediscount their commercial papers long-term, they turn to the RBI. Since the Bank Rate is the interest charged on these specific advances without the need for collateral (unlike Repo), it naturally applies to the entities the RBI is legally mandated to support—the Scheduled Commercial Banks.

UPSC often includes distractors like Public Sector Undertakings (PSUs) and the Private Corporate Sector to test if you understand the institutional boundaries of the central bank. These entities borrow from commercial banks, not the RBI. Similarly, while Non-Banking Financial Institutions (NBFCs) are regulated by the RBI, they do not have the same primary access to the Bank Rate window as scheduled banks do. By remembering that the Bank Rate is a tool for inter-bank liquidity regulation, you can easily eliminate these traps and focus on the formal banking channel.