Which one of the following activities of the Reserve Bank of India is considered to be part of 'sterilization'?

Updated 11 Apr 2026 · From UPSC Prelims GS Paper I 2023, Q62

Contents13
UPSC Prelims GS2023Indian Economy
  1. AConducting 'Open Market Operations'
  2. BOversight of settlement and payment systems
  3. CDebt and cash management for the Central and State Governments
  4. DRegulating the functions of Non-banking Financial Institutions
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Answer: (A) Conducting 'Open Market Operations'

Sterilization by the RBI means counteracting the effect of foreign capital inflows on domestic money supply.

The RBI does this through open market operations — selling government securities/Treasury bills to absorb excess money from the economy.

This prevents inflation or currency appreciation caused by large capital inflows.

Answer is (a).

Why this was asked

Sterilization prevents foreign capital inflows from increasing domestic money supply and causing inflation through open market operations where RBI sells government securities to absorb excess liquidity.

Large FDI and FPI inflows into India require frequent sterilization by RBI to maintain monetary stability, making this a regularly tested concept in recent years.

Sterilization in Monetary Policy

Indian Economy sterilization Reserve Bank of India

Sterilization: RBI's Tool to Control Money Supply

Must know

Sterilization = RBI counteracting foreign capital inflows to control domestic money supply

Done through Open Market Operations - selling government securities to absorb excess liquidity

Prevents inflation and currency appreciation from large capital inflows

Good to know

Opposite process called reverse sterilization - buying securities to increase money supply

What is Sterilization

Sterilization is RBI's intervention to neutralize the impact of foreign capital inflows on domestic money supply. When large foreign investments enter India, they increase rupee liquidity in the banking system, which can cause inflation or currency appreciation.

How Sterilization Works

%%{init: {"flowchart": {"wrappingWidth": 460}}}%%
flowchart TD
  s1["`**Foreign Capital Inflows**
FDI, FPI, or other foreign investments enter India`"]
  s2["`**Excess Rupee Liquidity**
Banks have more money to lend, increasing money supply`"]
  s3["`**RBI Intervention**
RBI sells government securities through Open Market Operations`"]
  s4["`**Money Supply Controlled**
Excess liquidity absorbed, preventing inflation/currency appreciation`"]
  s1 --> s2
  s2 --> s3
  s3 --> s4

Sterilization vs Reverse Sterilization

Operation

When Used

RBI Action

Money Supply Effect

Sterilization

High capital inflows

Sells govt securities

Reduces money supply

Reverse Sterilization

Capital outflows/recession

Buys govt securities

Increases money supply

Question Context

This question tested knowledge of sterilization as a monetary policy tool. Options B, C, and D are regular RBI functions but not part of sterilization operations.

Exam traps

Trap: Confusing sterilization with general RBI functions like payment systems oversight

Key distinction: Sterilization specifically targets foreign capital inflow effects, not routine operations

Remember: Sterilization always involves Open Market Operations - buying/selling government securities

Open Market Operations

Indian Economy Open Market Operations

Open Market Operations: RBI's Primary Monetary Tool

Must know

OMO = RBI buying/selling government securities to control money supply

Selling securities = reduces money supply (contractionary)

Buying securities = increases money supply (expansionary)

Good to know

Most flexible and frequently used monetary policy tool

Definition & Mechanism

Open Market Operations (OMO) are RBI's purchase and sale of government securities in the open market to regulate money supply and interest rates. Unlike repo/reverse repo which are temporary, OMO creates permanent changes in money supply.

OMO Operations Comparison

Operation

RBI Action

Money Supply

Interest Rates

Economic Condition

Sale of Securities

Sells govt bonds/T-bills

Decreases

Increases

High inflation/excess liquidity

Purchase of Securities

Buys govt bonds/T-bills

Increases

Decreases

Recession/low liquidity

OMO Applications

# Open Market Operations
## Sterilization
- Counter capital inflows
- Prevent currency appreciation
- Control imported inflation
## Regular Monetary Policy
- Manage interest rates
- Control domestic inflation
- Support economic growth
## Liquidity Management
- Seasonal liquidity needs
- Banking system stability
- Government borrowing support
Exam traps

Don't confuse: OMO with Repo/Reverse Repo - OMO is permanent, repo is temporary (1-14 days)

Direction trap: Selling securities reduces money supply (money goes to RBI), buying increases it

UPSC loves: OMO's role in sterilization operations and durable liquidity operations

RBI Functions & Monetary Policy Tools

Indian Economy Reserve Bank of India

RBI Functions: Monetary Policy vs Regulatory Roles

Must know

RBI has 4 core functions: monetary policy, financial regulation, payment systems, government banking

Monetary policy tools: Repo rate, CRR, SLR, OMO, MSF

Good to know

Payment systems oversight includes RTGS, NEFT, UPI regulation

Debt management for Centre and States through market borrowing programs

RBI Functions Analysis

Function

Key Activities

Sterilization Role

Example

Monetary Policy

OMO, Repo, CRR, SLR

Yes - OMO used for sterilization

Selling securities to absorb liquidity

Payment Systems

RTGS, NEFT, UPI oversight

No - operational function

Ensuring payment system stability

Debt Management

Govt borrowing, bond auctions

No - fiscal function

Conducting govt security auctions

Financial Regulation

NBFC regulation, banking supervision

No - regulatory function

Setting NBFC capital norms

Monetary Policy Tools

# RBI Monetary Policy Tools
## Quantitative Tools
- Repo Rate
- Reverse Repo Rate
- CRR
- SLR
- Bank Rate
- MSF
## Qualitative Tools
- Open Market Operations
- Moral Suasion
- Selective Credit Controls
- Reserve Requirements
## Special Operations
- Sterilization
- Operation Twist
- Long Term Repo Operations

Question Elimination Strategy

Options B, C, and D represent important RBI functions but are operational/regulatory, not monetary policy tools. Only OMO (Option A) is used for sterilization because it directly controls money supply through security transactions.

Exam traps

Function confusion: Not all RBI activities are monetary policy - distinguish between policy tools vs operational functions

Sterilization specificity: Only OMO among RBI tools can sterilize foreign inflows, not repo/CRR changes

UPSC pattern: Questions often test which specific RBI function serves which purpose