The RBI and How Monetary Policy Works

The Reserve Bank of India is the central bank. It manages the currency, the banking system, and the cost of money in the economy. For Prelims, focus on what it does and the tools it uses, not on memorising whatever the current repo rate happens to be, that number changes with every MPC meeting.

Where the RBI gets its income

The RBI earns mainly from:

• Returns on its holdings of government securities.
• Returns on its foreign currency assets held abroad.

It does not lend directly to private companies. Its lending is to banks and the government. This is a common exam trap.

The RBI's roles beyond monetary policy

Monetary policy is only one of the RBI's functions. The others are just as testable:

• Banker to the Government: manages the Government's accounts and public debt.
• Banker's bank: holds banks' reserves and acts as the settlement authority between them.
• Lender of last resort: provides emergency liquidity to banks facing a crisis, when no one else will.
• Sole note-issuing authority: the RBI has the sole right to issue currency notes in India, with one specific exception.

The one-rupee-note trap

The one-rupee note and coins are issued by the Government of India (via the Ministry of Finance), not the RBI, and carry the signature of the Finance Secretary, not the RBI Governor. All other denominations of currency notes are issued by the RBI and carry the Governor's signature. This one exception is UPSC's favourite way to test whether "the RBI issues all currency" is stated as an absolute (wrong) or a near-absolute with the correct carve-out.

Quantitative tools

These affect the overall volume of money and credit in the system:

• Repo rate: the rate at which banks borrow from the RBI. Raising it makes borrowing costlier and cools inflation.
• Reverse repo rate: the rate at which the RBI borrows from banks.
• Cash Reserve Ratio (CRR): the share of deposits banks must keep with the RBI.
• Statutory Liquidity Ratio (SLR): the share banks must hold in safe assets like government securities.
• Open Market Operations (OMO): buying or selling government securities to manage liquidity.

Qualitative (selective) tools

These target where credit flows rather than its total volume:

• Margin requirements: raising the minimum margin on loans against specific collateral (e.g. shares) to curb speculative lending in that sector without touching credit everywhere else.
• Moral suasion: the RBI persuading banks informally, through meetings and letters, to follow a certain lending direction, with no legal compulsion.
• Direct action: formal penalties or restrictions the RBI can impose on a bank that does not comply with its directions.

The quantitative-vs-qualitative split itself is a testable distinction: CRR, SLR, repo, and OMO change the total pool of credit; margin requirements and moral suasion change which sectors get it.

The MPC

The Monetary Policy Committee sets the repo rate to keep retail inflation within a target band. It has six members, three from the RBI (including the Governor, who chairs it) and three external members appointed by the Government, and meets at least four times a year. Decisions are by majority vote; the Governor holds a casting vote in case of a tie.

The inflation target

Under the flexible inflation targeting framework (in force since 2016), the RBI's mandate is to keep CPI (Consumer Price Index) inflation at 4%, with a tolerance band of +/-2%, so anywhere from 2% to 6% is considered "on target." If inflation stays outside this band for three consecutive quarters, the RBI must explain why to the Government and set out a plan to bring it back, a built-in accountability mechanism, not just a target on paper.

Repo vs reverse repo: the direction that trips people up

A quick way to keep these straight: think of the RBI as a bank for banks. Repo rate is what banks pay the RBI to borrow, so a higher repo rate makes loans (and therefore spending) more expensive across the whole economy, cooling inflation. Reverse repo is what the RBI pays banks to park surplus money with it, used to absorb excess liquidity from the system.

Quick revision points

• RBI lends to banks and the government, never directly to private companies.
• RBI issues all currency except the one-rupee note and coins, which the Government of India issues.
• Quantitative tools (repo, CRR, SLR, OMO) change the total credit pool; qualitative tools (margin requirements, moral suasion) target specific sectors.
• MPC: 6 members (3 RBI + 3 external), meets at least 4 times a year, Governor has the casting vote.
• Inflation target: CPI at 4%, band of 2 to 6%, in force since 2016.

Once the tools and roles are clear, practise the statement-based questions UPSC builds around them.