Central Bank and Control over Supply of Money – కేంద్ర బ్యాంకు మరియు ద్రవ్య సరఫరా నియంత్రణ.

ఒక దేశ monetary and banking systemలో అత్యున్నత monetary institutionను Central Bank – కేంద్ర బ్యాంకు అంటారు. భారతదేశంలో Central Bank Reserve Bank of India (RBI).

Core Exam Concept

India's Central Bank → Reserve Bank of India (RBI)

RBI ప్రధాన monetary responsibilitiesలో ఒకటి → Money, Credit and Liquidity Conditionsను Monetary Policy ద్వారా ప్రభావితం చేయడం.

Memory:

Commercial Bank → Publicతో ordinary banking business

Central Bank → Banking and monetary system యొక్క apex institution

Central Bank – Meaning

Central Bank అనేది monetary systemను regulate చేసే, currency managementలో ప్రధాన పాత్ర పోషించే, banking systemకు bankerగా వ్యవహరించే మరియు monetary policyను conduct చేసే apex financial institution.

Reserve Bank of India – RBI

RBI Act → Reserve Bank of India Act, 1934

RBI commenced operations → 1 April 1935

RBI nationalised → 1 January 1949

Important Exam Trap:

RBI Act → 1934
RBI Started Functioning → 1935
RBI Nationalisation → 1949

Major Functions of Central Bank

1. Currency Management / Issue of Banknotes

2. Banker, Agent and Adviser to Government

3. Banker's Bank

4. Custodian of Banks' Reserves

5. Lender of Last Resort

6. Clearing and Settlement Role

7. Credit / Monetary Control

8. Foreign Exchange Reserve Management

9. Regulation and Supervision of Banking/Financial System

10. Monetary Policy

1. Currency Management

Central bank performs a central role in currency management and the issue of banknotes according to the country's legal framework.

India Exam Point:

RBI issues banknotes in India subject to the legal framework, while the ₹1 note is issued by the Government of India.

2. Banker to Government

Central bank acts as banker, agent and adviser to government.

It may perform functions such as:

✓ Maintaining government banking accounts
✓ Receiving and making government payments
✓ Managing public debt functions
✓ Providing monetary and financial advice
✓ Government securities-related functions

3. Banker's Bank

Commercial banks maintain specified balances/reserves with the central bank and use central-bank facilities for settlement and liquidity. Therefore, central bank is called Banker's Bank.

4. Custodian of Cash Reserves

Commercial banks are required to maintain prescribed reserves according to the applicable monetary and regulatory framework.

Memory:

Public → Commercial Banks

Commercial Banks → Central Bank

5. Lender of Last Resort

When eligible banks face temporary liquidity shortages and normal market sources are insufficient, the central bank can provide liquidity under applicable facilities and conditions.

Lender of Last Resort → Central Bank

6. Clearing and Settlement Role

Central bank supports the settlement infrastructure of the banking system, including settlement through accounts maintained with it.

7. Custodian / Manager of Foreign Exchange Reserves

Central banks generally hold and manage official foreign exchange reserves and perform functions related to exchange-rate and external monetary stability.

8. Credit and Monetary Control

Central bank uses monetary-policy and liquidity-management instruments to influence interest rates, liquidity, credit conditions and ultimately aggregate demand and inflation.

Monetary Policy – Meaning

Monetary Policy refers to the use of monetary instruments by the central bank to influence monetary and financial conditions in pursuit of its policy objectives.

Simple Exam Definition:

Central Bank policy relating to money, credit, liquidity and interest-rate conditions → Monetary Policy

Monetary Policy vs Fiscal Policy

Monetary Policy	Fiscal Policy
Central Bank	Government
Interest rates, liquidity, monetary instruments	Taxes, expenditure, borrowing and budget
Repo, CRR, OMO etc.	Taxation and government expenditure
Influences money/credit conditions	Influences aggregate demand through budgetary operations

Most Common Exam Trap:

Repo Rate → Monetary Policy
CRR → Monetary Policy
OMO → Monetary Policy

Tax Rate → Fiscal Policy
Government Expenditure → Fiscal Policy

Monetary Policy Instruments

Traditional exam classifications divide credit-control instruments into:

A. Quantitative / General Methods

Repo / Policy Rates
Bank Rate
Reserve Requirements such as CRR
Open Market Operations

B. Qualitative / Selective Methods

Margin Requirements
Credit Rationing
Selective Credit Control
Moral Suasion
Direct Action

Repo Rate

The Policy Repo Rate is the key policy interest rate under India's monetary-policy framework. Repo transactions involve provision of liquidity against eligible collateral under specified terms.

Exam Relationship – Other Things Equal:

Repo Rate ↑ → Borrowing Cost / Market Rates tend to ↑ → Credit and Demand tend to ↓

Repo Rate ↓ → Borrowing Conditions tend to ease → Credit and Demand may ↑

Repo Rate Increase – Transmission

Repo Rate ↑

↓

Short-Term Interest Rate Conditions Tighten

↓

Bank Funding / Lending Rates May Rise

↓

Borrowing & Spending May Slow

↓

Aggregate Demand Pressure ↓

↓

Inflationary Pressure May Moderate

Repo Rate Decrease – Transmission

Repo Rate ↓

↓

Monetary Conditions Ease

↓

Borrowing Costs May Decline

↓

Credit / Investment / Consumption May Rise

↓

Aggregate Demand May Increase

Standing Deposit Facility – SDF

Standing Deposit Facility (SDF) is a standing facility through which RBI can absorb liquidity from eligible entities without providing collateral to the depositor.

SDF → Liquidity Absorption

In the present operating framework, SDF forms the lower end of the policy corridor, while MSF forms the upper end.

Marginal Standing Facility – MSF

Marginal Standing Facility (MSF) provides an overnight borrowing facility for eligible banks under specified RBI conditions.

MSF → Emergency / Marginal Overnight Liquidity Facility for eligible banks

Policy Corridor

MSF Rate – Upper Bound

↑

Policy Repo Rate – Centre

↓

SDF Rate – Lower Bound

Easy Memory:

MSF → Above Repo
Repo → Centre
SDF → Below Repo

Bank Rate

Bank Rate is a rate specified by the central bank under the statutory framework. Historically it has been an important monetary-policy concept. In India's current framework, it is aligned with the MSF rate.

Cash Reserve Ratio – CRR

CRR is the prescribed proportion of banks' relevant net demand and time liabilities that must be maintained as cash balance with RBI, subject to applicable law and RBI regulations.

CRR = Required Cash Balance with RBI / Relevant NDTL × 100

Conceptual Effect:

CRR ↑ → Lendable Resources ↓ → Credit Expansion tends to ↓

CRR ↓ → Lendable Resources ↑ → Credit Expansion potential ↑

Statutory Liquidity Ratio – SLR

SLR refers to the prescribed proportion of relevant liabilities that banks maintain in specified liquid assets according to applicable banking regulations.

Do Not Confuse:

CRR → Cash balance maintained with RBI

SLR → Specified liquid assets maintained by bank itself under the regulatory framework

Open Market Operations – OMO

Open Market Operations involve outright purchase or sale of government securities by the central bank to inject or absorb durable liquidity in the banking system.

RBI Buys Government Securities → Liquidity Injected

RBI Sells Government Securities → Liquidity Absorbed

Memory Trick:

RBI BUYS → Money/Liquidity goes INTO market

RBI SELLS → Money/Liquidity comes OUT OF market

OMO – Expansionary Example

RBI Purchases Securities

↓

Banking-System Liquidity ↑

↓

Capacity for Credit Expansion ↑

↓

Economic Activity May Receive Support

OMO – Contractionary Example

RBI Sells Securities

↓

Liquidity Absorbed

↓

Credit Conditions Tighten

↓

Demand / Inflationary Pressure May Moderate

Quantitative Methods – Master Table

Instrument	Expansionary Direction	Contractionary Direction
Policy Repo Rate	Decrease	Increase
CRR	Decrease	Increase
OMO	Purchase Securities	Sell Securities
Bank Rate	Decrease traditionally signals easing	Increase traditionally signals tightening

Qualitative / Selective Credit Controls

Quantitative instruments influence overall monetary and credit conditions. Qualitative or selective controls seek to influence the direction, purpose or availability of credit.

1. Margin Requirement

Margin is the difference between the value of collateral and the amount of loan sanctioned against it.

Margin = Value of Security − Loan Amount

Example:

Security Value = ₹1,00,000
Margin = 20% = ₹20,000
Maximum Loan = ₹80,000

Margin Requirement ↑ → Loan available against same collateral ↓

2. Credit Rationing

Under credit rationing, the availability or amount of credit may be restricted for specified purposes, sectors or borrowers.

3. Selective Credit Control

Selective controls may be used to influence credit directed toward particular activities or commodities rather than changing total credit uniformly.

4. Moral Suasion

Moral Suasion refers to persuasion, advice, requests or guidance by the central bank to banks to follow desired credit or banking behaviour.

Memory:

Moral Suasion = Persuasion, not direct legal compulsion

5. Direct Action

Central bank may take regulatory or supervisory action against institutions that fail to comply with applicable directions or requirements.

Quantitative vs Qualitative Controls

Quantitative Controls	Qualitative Controls
Influence overall credit/liquidity conditions	Influence direction or use of credit
General in nature	Selective in nature
Repo, CRR, OMO	Margin requirements, credit rationing, moral suasion

Expansionary Monetary Policy

When monetary policy is directed toward easing financial conditions and supporting aggregate demand and economic activity, it is commonly described as Expansionary Monetary Policy.

Typical easing actions may include:

✓ Policy Rate ↓
✓ CRR ↓, where used
✓ RBI purchases securities / injects liquidity
✓ Other liquidity-supporting measures

Expansionary Policy → Liquidity/Credit Conditions Easier → Aggregate Demand tends to ↑

Contractionary Monetary Policy

When monetary policy is tightened to restrain excessive demand and inflationary pressure, it is commonly called Contractionary Monetary Policy.

Typical tightening actions may include:

✓ Policy Rate ↑
✓ CRR ↑, where used
✓ RBI sells securities / absorbs liquidity
✓ Other liquidity-tightening measures

Contractionary Policy → Financial Conditions Tighten → Aggregate Demand tends to ↓

Expansionary vs Contractionary Policy

Expansionary	Contractionary
Repo ↓	Repo ↑
CRR ↓	CRR ↑
OMO Purchase	OMO Sale
Liquidity ↑	Liquidity ↓
Credit conditions ease	Credit conditions tighten
Supports aggregate demand	Restrains aggregate demand

Monetary Policy Transmission

Changing a policy rate does not directly change every price in the economy. It works through a transmission mechanism.

RBI Monetary Policy Action

↓

Money-Market Rates / Liquidity

↓

Bank Deposit & Lending Rates

↓

Borrowing, Saving & Investment Decisions

↓

Aggregate Demand

↓

Output & Inflation

Current RBI Policy Rates – Exam Update

Latest official RBI rates available in the 2026 official RBI data checked for this note:

Policy Repo Rate → 5.25%

Standing Deposit Facility (SDF) → 5.00%

Marginal Standing Facility (MSF) → 5.50%

Bank Rate → 5.50%

Cash Reserve Ratio (CRR) → 3.00%

Statutory Liquidity Ratio (SLR) → 18.00%

Policy Corridor:

SDF = 5.00%
↓
Repo = 5.25%
↑
MSF = 5.50%

Policy rates can change after an RBI monetary-policy decision. For current-affairs examinations, revise the latest RBI rates immediately before the examination.

Numerical 1 – CRR

Suppose relevant bank liabilities for a simplified question = ₹1,000 crore and CRR = 3%.

CRR Balance = 1,000 × 3/100

= ₹30 crore

Numerical 2 – CRR Change

Suppose liabilities = ₹2,000 crore. CRR increases from 3% to 4%.

Old Reserve = 2,000 × 3% = ₹60 crore

New Reserve = 2,000 × 4% = ₹80 crore

Additional Reserve Requirement = ₹20 crore

Other things equal, ₹20 crore more becomes tied up in required cash reserves, reducing immediately available lendable resources.

Numerical 3 – Margin Requirement

Collateral Value = ₹5,00,000
Margin Requirement = 30%

Margin = 5,00,000 × 30% = ₹1,50,000

Maximum Loan = ₹5,00,000 − ₹1,50,000 = ₹3,50,000

Most Important Exam Traps

Trap 1: Monetary Policy → Central Bank; Fiscal Policy → Government.

Trap 2: Repo ↑ generally means monetary tightening, not easing.

Trap 3: CRR ↑ → lendable resources generally ↓.

Trap 4: RBI buys securities → liquidity injection.

Trap 5: RBI sells securities → liquidity absorption.

Trap 6: SDF → liquidity absorption facility.

Trap 7: MSF → marginal overnight borrowing facility for eligible banks.

Trap 8: SDF is below Repo; MSF is above Repo in the current corridor structure.

Trap 9: Moral Suasion → persuasion/advice, not compulsory punishment.

Trap 10: Margin Requirement ↑ → loan amount against the same collateral ↓.

Trap 11: Quantitative controls affect overall credit conditions; qualitative controls are selective.

Trap 12: RBI Act = 1934; RBI operations began = 1935.

Exam-Oriented MCQs

1. Central Bank of India is:

A) SBI
B) RBI
C) NABARD
D) SEBI

సమాధానం: B) RBI

2. RBI was established under:

A) RBI Act, 1934
B) Banking Regulation Act, 1949
C) Companies Act
D) FEMA

సమాధానం: A

3. RBI commenced operations in:

A) 1934
B) 1935
C) 1947
D) 1949

సమాధానం: B) 1935

4. RBI was nationalised in:

A) 1935
B) 1947
C) 1949
D) 1950

సమాధానం: C) 1949

5. “Banker's Bank” refers to:

A) Central Bank
B) Commercial Bank customer
C) Insurance company
D) Stock exchange

సమాధానం: A

6. Lender of Last Resort is:

A) Central Bank
B) Household
C) Stock Exchange
D) Mutual Fund

సమాధానం: A

7. Monetary policy in India is conducted by:

A) RBI
B) SEBI
C) NITI Aayog
D) CAG

సమాధానం: A

8. Which is a monetary-policy instrument?

A) Repo Rate
B) Income Tax
C) GST Rate
D) Government Salary

సమాధానం: A

9. Which is a fiscal-policy instrument?

A) Government taxation
B) Repo Rate
C) CRR
D) OMO

సమాధానం: A

10. An increase in repo rate generally indicates:

A) Monetary tightening
B) Monetary easing
C) Fiscal expansion
D) Tax reduction

సమాధానం: A

11. A decrease in repo rate generally indicates:

A) Monetary easing
B) Monetary tightening
C) Higher CRR necessarily
D) Higher taxation

సమాధానం: A

12. SDF is primarily used for:

A) Absorbing liquidity
B) Printing currency
C) Government taxation
D) Long-term industrial lending

సమాధానం: A

13. MSF is primarily a facility for:

A) Overnight borrowing by eligible banks
B) Tax collection
C) Currency printing
D) Household deposits

సమాధానం: A

14. The lower end of the current LAF corridor is:

A) SDF
B) MSF
C) Bank Rate
D) CRR

సమాధానం: A) SDF

15. Upper end of the current corridor is:

A) MSF
B) SDF
C) CRR
D) SLR

సమాధానం: A) MSF

16. The policy rate at the centre of the corridor is:

A) Repo Rate
B) CRR
C) SLR
D) Income Tax Rate

సమాధానం: A

17. CRR is maintained as prescribed cash balance with:

A) RBI
B) SEBI
C) NABARD only
D) Ministry of Commerce

సమాధానం: A

18. CRR increase generally causes lendable resources to:

A) Decrease
B) Increase
C) Double
D) Remain necessarily unchanged

సమాధానం: A

19. CRR decrease generally causes lendable resources to:

A) Increase
B) Decrease
C) Become zero
D) Have no possible effect

సమాధానం: A

20. SLR is maintained primarily in:

A) Specified liquid assets by banks
B) Cash only with RBI
C) Foreign banks only
D) Ministry of Finance account

సమాధానం: A

OMO and Credit Control MCQs

21. OMO means:

A) Open Market Operations
B) Official Money Order
C) Open Monetary Output
D) Ordinary Market Option

సమాధానం: A

22. RBI purchases government securities. Liquidity generally:

A) Increases
B) Decreases
C) Becomes zero
D) Is unaffected by definition

సమాధానం: A

23. RBI sells government securities. Liquidity generally:

A) Decreases
B) Increases
C) Doubles
D) Becomes infinite

సమాధానం: A

24. Which action is expansionary?

A) RBI purchase of securities
B) RBI sale of securities
C) CRR increase
D) Repo increase

సమాధానం: A

25. Which action is contractionary?

A) RBI sale of securities
B) RBI purchase of securities
C) Repo reduction
D) CRR reduction

సమాధానం: A

26. Moral suasion means:

A) Persuasion by central bank
B) Tax increase
C) Currency printing
D) Compulsory nationalisation

సమాధానం: A

27. Margin requirement is:

A) Selective credit-control method
B) Fiscal deficit measure
C) National income method
D) Inflation index

సమాధానం: A

28. Credit rationing is a:

A) Selective credit-control technique
B) GDP calculation method
C) Fiscal deficit formula
D) Tax system

సమాధానం: A

29. Quantitative credit controls primarily affect:

A) Overall credit/liquidity conditions
B) One commodity only by definition
C) Tax collection
D) Population

సమాధానం: A

30. Qualitative controls mainly influence:

A) Direction/use of credit
B) GDP accounting only
C) Government taxation
D) Population growth

సమాధానం: A

Current RBI Rate MCQs

31. In the latest 2026 RBI data used here, Policy Repo Rate is:

A) 3.00%
B) 5.00%
C) 5.25%
D) 5.50%

సమాధానం: C) 5.25%

32. Current SDF rate in the RBI data used here is:

A) 3.00%
B) 5.00%
C) 5.25%
D) 5.50%

సమాధానం: B) 5.00%

33. Current MSF rate in the RBI data used here is:

A) 5.00%
B) 5.25%
C) 5.50%
D) 6.50%

సమాధానం: C) 5.50%

34. Current CRR in the RBI data used here is:

A) 3.00%
B) 4.00%
C) 5.00%
D) 18.00%

సమాధానం: A) 3.00%

35. Current SLR in the RBI data used here is:

A) 3%
B) 5.25%
C) 10%
D) 18%

సమాధానం: D) 18%

Numerical MCQs

36. NDTL = ₹1,000 crore and CRR = 3%. Required cash reserve:

A) ₹3 crore
B) ₹30 crore
C) ₹300 crore
D) ₹970 crore

సమాధానం: B) ₹30 crore

37. NDTL = ₹2,000 crore and CRR = 3%. Reserve:

A) ₹20 crore
B) ₹30 crore
C) ₹60 crore
D) ₹600 crore

సమాధానం: C) ₹60 crore

38. CRR rises from 3% to 4% on ₹1,000 crore. Additional reserve:

A) ₹5 crore
B) ₹10 crore
C) ₹30 crore
D) ₹40 crore

సమాధానం: B) ₹10 crore

39. Collateral = ₹1,00,000 and margin = 20%. Maximum loan:

A) ₹20,000
B) ₹80,000
C) ₹1,00,000
D) ₹1,20,000

సమాధానం: B) ₹80,000

40. Collateral = ₹5,00,000 and margin = 30%. Maximum loan:

A) ₹1,50,000
B) ₹2,50,000
C) ₹3,50,000
D) ₹5,00,000

సమాధానం: C) ₹3,50,000

Tricky MCQs

41. Which combination is correct?

A) Repo ↑ – Expansionary
B) CRR ↑ – Expansionary
C) OMO Purchase – Expansionary
D) OMO Sale – Expansionary

సమాధానం: C

42. Which combination is correct?

A) Repo ↓ – Tightening
B) CRR ↓ – Easing
C) OMO Sale – Easing
D) SDF – Currency printing

సమాధానం: B

43. Which instrument directly involves government securities?

A) OMO
B) CRR
C) Moral Suasion
D) Margin Requirement

సమాధానం: A

44. Which one is NOT a qualitative method?

A) Moral Suasion
B) Credit Rationing
C) Margin Requirement
D) CRR

సమాధానం: D) CRR

45. Which is NOT a quantitative/general instrument?

A) Repo Rate
B) OMO
C) CRR
D) Moral Suasion

సమాధానం: D

Assertion–Reason MCQs

Code

A) Assertion and Reason are true; Reason correctly explains Assertion.

B) Both are true; Reason is not the correct explanation.

C) Assertion is true; Reason is false.

D) Assertion is false; Reason is true.

46. Assertion: An increase in CRR tends to reduce bank lending capacity.
Reason: Banks must keep a larger proportion of relevant liabilities as required cash balances.

సమాధానం: A

47. Assertion: RBI purchase of government securities can inject liquidity.
Reason: RBI pays funds into the financial system when it purchases securities.

సమాధానం: A

48. Assertion: Moral suasion is a qualitative credit-control method.
Reason: It uses persuasion or guidance to influence bank behaviour.

సమాధానం: A

49. Assertion: Repo-rate increases are normally associated with monetary tightening.
Reason: Higher policy rates can transmit to higher borrowing costs and weaker aggregate demand.

సమాధానం: A

50. Assertion: RBI sale of securities injects liquidity into the banking system.
Reason: Buyers pay funds to RBI when RBI sells securities.

సమాధానం: D

Additional High-Probability MCQs

51. Which facility forms the floor of the present policy corridor?

A) SDF
B) MSF
C) CRR
D) SLR

సమాధానం: A

52. Which facility forms the upper bound?

A) SDF
B) MSF
C) CRR
D) OMO

సమాధానం: B

53. Repo rate lies:

A) At the centre of the present corridor
B) Below SDF
C) Above MSF
D) Equal to CRR

సమాధానం: A

54. Expansionary monetary policy is generally used to:

A) Ease monetary conditions
B) Deliberately reduce all bank reserves to zero
C) Increase taxes
D) Reduce government expenditure by definition

సమాధానం: A

55. Contractionary monetary policy is generally intended to:

A) Restrain excessive demand/inflation pressure
B) Increase aggregate demand without limit
C) Reduce all taxes
D) Increase fiscal deficit

సమాధానం: A

56. Central bank's emergency liquidity role is called:

A) Lender of Last Resort
B) Borrower of First Resort
C) Fiscal Agent only
D) Credit Multiplier

సమాధానం: A

57. Monetary-policy transmission ultimately attempts to influence:

A) Demand, output and inflation
B) Only population
C) Only rainfall
D) Only tax revenue

సమాధానం: A

58. Margin requirement rises from 20% to 40%. Loan against the same collateral generally:

A) Falls
B) Rises
C) Remains necessarily unchanged
D) Doubles

సమాధానం: A

59. Which institution is custodian/manager of India's official foreign-exchange reserves?

A) RBI
B) Commercial bank customer
C) Stock broker
D) Municipality

సమాధానం: A

60. The central objective of monetary control is best described as influencing:

A) Monetary, liquidity and credit conditions
B) Agricultural rainfall
C) Population census
D) Election boundaries

సమాధానం: A

One-Minute Master Table

Concept	Remember
Central Bank of India	RBI
RBI Act	1934
RBI Operations Began	1 April 1935
RBI Nationalisation	1 January 1949
Lender of Last Resort	Central Bank
Monetary Policy	Central Bank
Fiscal Policy	Government
Repo ↑	Tightening tendency
Repo ↓	Easing tendency
CRR ↑	Lendable resources ↓
CRR ↓	Lendable resources ↑
OMO Purchase	Liquidity Injection
OMO Sale	Liquidity Absorption
SDF	Liquidity Absorption / Corridor Floor
MSF	Marginal borrowing / Corridor Ceiling
Moral Suasion	Persuasion
Margin ↑	Loan against same collateral ↓

చివరి నిమిషం పునశ్చరణ

India Central Bank → RBI

RBI Act → 1934

RBI Started → 1 April 1935

Nationalised → 1 January 1949

Banker's Bank → RBI

Lender of Last Resort → RBI

Monetary Policy → RBI / Central Bank

Fiscal Policy → Government

Repo ↑ → Tightening

Repo ↓ → Easing

CRR ↑ → Credit Expansion ↓

CRR ↓ → Credit Expansion ↑

RBI Buys Securities → Liquidity ↑

RBI Sells Securities → Liquidity ↓

SDF → Absorbs Liquidity

MSF → Provides Marginal Overnight Liquidity

Moral Suasion → Persuasion

Margin ↑ → Loan Amount ↓

Current Repo → 5.25%

Current SDF → 5.00%

Current MSF → 5.50%

Current CRR → 3.00%

Current SLR → 18.00%

Exam Final Recall

Central Bank → RBI → Functions → Monetary Policy → Repo Rate → SDF → MSF → CRR → SLR → Open Market Operations → Quantitative Controls → Qualitative Controls → Expansionary Policy → Contractionary Policy → Monetary Transmission

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