Why this topic matters · 7 min read
RBI Functions is a high-frequency GK topic in IBPS PO. It appears in the General Awareness section (Static + Current GK combined). Expect 1-3 direct questions per attempt on RBI's roles, tools, and departments. Questions range from 'which rate does RBI use to control inflation' to 'what is the role of RBI as banker to banks'. Understanding the core functions helps you answer monetary policy, banking regulation, and currency-related questions confidently.
Overview of RBI
Reserve Bank of India was established on April 1, 1935 under the Reserve Bank of India Act, 1934. It was nationalized in 1949. Headquarters is in Mumbai. It is India's central bank and the supreme monetary authority. The Governor heads the RBI. Currently there are 4 Deputy Governors.
- Established: April 1, 1935 — nationalized: January 1, 1949
- Headquarters: Mumbai (Central Office)
- Governed by RBI Act, 1934
- Current motto: 'वित्तीय समावेश' — Financial Inclusion
- RBI is not a commercial bank — it does not serve individuals directly
Core Functions of RBI — The Big 6
Remember RBI's six core functions using the mnemonic CRIMES: Currency issuance, Regulatory role, Inflation control (monetary policy), Monetary authority, Exchange rate management, Supervisor of banks. Each function covers a specific power the RBI holds over India's financial system.
- 1. Issue of Currency: RBI has monopoly to issue currency notes (except 1 rupee note which is issued by Ministry of Finance)
- 2. Banker to Government: Manages accounts of Central and State governments, handles public debt
- 3. Banker to Banks: Maintains CRR deposits of banks, lender of last resort
- 4. Monetary Policy Authority: Controls money supply and credit using policy rates
- 5. Regulator and Supervisor: Licenses and regulates commercial banks, NBFCs, cooperative banks
- 6. Foreign Exchange Management: Manages forex reserves, administers FEMA 1999
Monetary Policy Tools and Key Rates
RBI uses various quantitative tools to control liquidity and inflation in the economy. The Monetary Policy Committee (MPC), set up in 2016, has 6 members (3 from RBI, 3 external) and decides the Repo Rate every 2 months. These rates are the most exam-asked part of RBI Functions.
- Repo Rate: Rate at which RBI lends to commercial banks (short-term, against govt securities)
- Reverse Repo Rate: Rate at which RBI borrows from commercial banks
- CRR (Cash Reserve Ratio): % of Net Demand and Time Liabilities (NDTL) kept as cash with RBI — earns no interest
- SLR (Statutory Liquidity Ratio): % of NDTL kept in liquid assets like gold, govt securities
- MSF (Marginal Standing Facility): Emergency overnight borrowing by banks from RBI at rate above repo
- Bank Rate: Rate for long-term lending; equals MSF rate currently
Key formulas
Repo Rate Effect
Repo Rate rises → Bank borrowing costs rise → Credit expensive → Inflation falls
When: Use this chain logic when question asks RBI's anti-inflation tool
CRR Impact
CRR rises → Banks hold more cash with RBI → Less money to lend → Liquidity reduced
When: Use when asked how RBI tightens liquidity without changing interest rates
SLR vs CRR
CRR: cash only, no interest earned. SLR: gold + approved securities, some return possible
When: Use to distinguish CRR and SLR in tricky MCQs
Worked examples
If Repo Rate is 6.5% and Reverse Repo is 3.35%, banks prefer to park money with RBI at 3.35% only if no better option — so repo is the key borrowing cost signal for the market.
CRR at 4% means: if a bank has NDTL of Rs 100 crore, it must keep Rs 4 crore as cash with RBI at all times — this money cannot be used for loans.
RBI as Regulator — Licensing and Supervision
RBI grants licenses to banks under the Banking Regulation Act, 1949. It decides who can open a bank, sets capital adequacy norms (Basel III), and can cancel licenses if a bank fails to comply. RBI also regulates NBFCs (Non-Banking Financial Companies) above a certain asset size.
- Banking Regulation Act 1949: Main law giving RBI supervisory powers over banks
- RBI can merge, liquidate, or impose moratorium on failing banks
- Priority Sector Lending norms are set by RBI — 40% of Adjusted Net Bank Credit for domestic banks
- RBI regulates Payment Systems under the Payment and Settlement Systems Act 2007
- Prompt Corrective Action (PCA): RBI framework to handle weak banks — restricts their lending
Foreign Exchange and External Sector Role
RBI manages India's foreign exchange reserves and intervenes in the forex market to prevent sharp rupee depreciation or appreciation. It administers the Foreign Exchange Management Act (FEMA), 1999. FEMA replaced FERA (Foreign Exchange Regulation Act) in 1999 — this distinction is often tested.
- FEMA 1999 replaced FERA 1973 — FEMA is civil law, FERA was criminal law
- RBI manages forex reserves — India's reserves are among top 5 globally
- RBI uses forex reserves to stabilize rupee exchange rate
- Current Account transactions are freely allowed under FEMA; Capital Account has restrictions
- RBI reports forex reserves weekly in its bulletin
Developmental and Promotional Functions
Beyond regulation and monetary control, RBI also plays a development role. It promotes financial inclusion, sets up institutions, and manages agricultural and rural credit policies. Many students forget these softer functions — they are tested in GK.
- RBI set up NABARD (National Bank for Agriculture and Rural Development) in 1982
- RBI set up NHB (National Housing Bank) in 1988
- RBI promotes financial literacy and consumer protection
- Lead Bank Scheme: allocates districts to specific banks for rural development
- RBI publishes important reports: Annual Report, Report on Currency and Finance, Monetary Policy Report
⚠ Common mistakes to avoid
- Confusing 1 rupee note issuer: It is issued by Ministry of Finance (Government of India), NOT RBI — RBI issues all other notes
- Mixing up CRR and SLR: CRR is purely cash kept with RBI, earns zero interest. SLR includes gold and approved securities and can earn some return
- Thinking Reverse Repo Rate is always exactly Repo minus 25 bps — after the liquidity framework revision, the corridor has changed; always verify current figures from news
- Forgetting that FEMA is a civil law (not criminal like FERA) — questions often test FEMA vs FERA distinction
- Assuming RBI regulates ALL financial entities — SEBI regulates capital markets, IRDAI regulates insurance, PFRDA regulates pensions — RBI only handles banks, NBFCs, and payment systems
🧠 Memory aids
- CRIMES mnemonic for 6 functions: Currency issue, Regulatory role, Inflation control, Monetary authority, Exchange management, Supervisor of banks
- For rates order from highest to lowest: MSF greater than Repo greater than Reverse Repo — think of it as a staircase: emergency borrowing costs most, parking money earns least
- 1 rupee note trick: One is the loneliest number — 1 rupee note stands alone under Finance Ministry, not RBI
- FEMA vs FERA: FEMA = Friendly (civil), FERA = Ferocious (criminal) — the newer law became softer
🎯 IBPS PO exam tips
- IBPS PO GA section has 1-2 questions directly on RBI rates in almost every attempt — always check the current Repo Rate, CRR, and SLR from the latest RBI policy announcement before the exam
- Questions are often indirect: 'Which body administers FEMA?' or 'Who is the lender of last resort in India?' — know all such one-liner facts about RBI's identity
- MPC composition is frequently asked: 6 members total, 3 from RBI (Governor + 2 Deputy Governors), 3 external government nominees — decisions by majority vote, Governor has casting vote
- Static GK questions on RBI founding date (April 1, 1935), nationalization (1949), and HQ (Mumbai) appear regularly in prelims — easy 1-mark pickups
- Current affairs link: Every bi-monthly MPC meeting generates a question opportunity — follow RBI press releases for updated policy rates, especially 2-3 months before your exam date
Q1 · hard · AI-verified
Under the RBI's guidelines on Priority Sector Lending, what percentage of Adjusted Net Bank Credit must be allocated to agriculture by domestic scheduled commercial banks?
- 25%
- 15%
- 20%
- 18%
Q2 · hard · AI-verified
Under the RBI's Master Direction on Know Your Customer, what is the time limit for banks to complete Customer Due Diligence (CDD) for high-risk customers after account opening?
- 30 days
- 45 days
- 60 days
- 15 days
Q3 · hard · AI-verified
Under the RBI's revised guidelines on 'on tap' licensing for Small Finance Banks, what is the minimum paid-up capital requirement for promoters other than scheduled commercial banks?
- ₹100 crore
- ₹200 crore
- ₹300 crore
- ₹500 crore
Q4 · hard · AI-verified
What is the minimum capital adequacy ratio that banks must maintain under Basel III norms as implemented by RBI, including the Capital Conservation Buffer?
- 9.0%
- 11.5%
- 10.875%
- 12.0%
Q5 · hard · AI-verified
Under the RBI's Master Direction on Financial Parameters, what is the minimum Core Investment Companies (CIC) should maintain as Net Owned Fund?
- ₹100 crore
- ₹500 crore
- ₹1000 crore
- ₹2000 crore