Reserve Bank of India (RBI)

The Reserve Bank of India (RBI), established on 1 April 1935 under the RBI Act, 1934, is the country's central bank and the apex monetary authority. Originally set up during British rule and nationalised in 1949, it is often called the 'banker's bank' and the 'lender of last resort'. The RBI sits at the heart of India's financial system, managing the currency, steering monetary policy, regulating banks and acting as banker and debt manager to the government.

Monetary authority

The RBI's foremost role is to formulate and implement monetary policy — controlling the supply of money and the cost of credit to achieve price stability while keeping in mind the objective of growth. Since 2016, it operates under a formal flexible inflation-targeting framework, with policy decisions taken by a six-member Monetary Policy Committee (MPC). By adjusting the repo rate and other tools, the RBI influences interest rates across the economy, aiming to keep retail (CPI) inflation at 4%, within a band of 2-6%.

Issuer of currency

The RBI is the sole authority for issuing currency notes in India, except the one-rupee note and coins, which are issued by the Government of India (though the RBI puts them into circulation). It follows the 'Minimum Reserve System', under which it must hold reserves of gold and foreign securities worth at least ₹200 crore. By managing the design, printing, distribution and withdrawal of notes — and ensuring an adequate supply of clean, genuine currency — the RBI maintains public confidence in the currency.

Banker, agent and adviser to the government

The RBI acts as banker to both the central and state governments — maintaining their accounts, receiving and making payments, and providing short-term finance through Ways and Means Advances. It also manages the government's public debt by issuing and servicing government securities, and advises the government on economic and financial matters, including the borrowing programme and financial-sector policy.

Banker to banks and lender of last resort

As the 'bank of banks', the RBI holds the reserves of commercial banks (through the Cash Reserve Ratio), settles inter-bank transactions, and provides them short-term funds. Crucially, it acts as the lender of last resort — when a solvent bank faces a temporary liquidity crunch and cannot borrow elsewhere, the RBI can lend to it, preventing panic and protecting the stability of the whole financial system.

Regulator and supervisor of the financial system

The RBI regulates and supervises banks and many non-banking financial companies (NBFCs) under the Banking Regulation Act, 1949. It licenses banks, sets prudential norms on capital and bad loans, conducts inspections, and can take action against errant institutions — including placing them under a moratorium or resolution. This function protects depositors' interests and keeps the banking system sound.

Manager of foreign exchange

The RBI manages the Foreign Exchange Management Act (FEMA), 1999, facilitating external trade and payments and promoting the orderly development of the foreign-exchange market. It holds and manages the country's foreign-exchange reserves, and intervenes in the currency market to curb excessive volatility in the rupee's exchange rate — though India follows a managed-float regime rather than a fixed rate.

Developmental and other functions

Beyond its core roles, the RBI performs promotional and developmental functions — expanding banking to rural and underserved areas, promoting financial inclusion and priority-sector lending, developing payment systems (such as UPI through its subsidiary NPCI framework and the introduction of the Central Bank Digital Currency, the e-rupee), and protecting consumers through grievance-redress mechanisms like the Ombudsman scheme.

Governance and autonomy

The RBI is headed by a Governor, assisted by Deputy Governors, and is overseen by a Central Board of Directors. While it works closely with the government, its operational autonomy — especially in monetary policy — is considered vital for credibility. Debates periodically arise over the balance between RBI autonomy and government influence, for instance over the transfer of surplus reserves or the setting of interest rates, making central-bank independence a recurring theme in economic governance.

Why it matters for UPSC

The RBI's establishment year, its functions — currency issue, monetary policy, banking regulation, its role as banker to the government and lender of last resort — and the ₹1 note exception are commonly tested in Prelims, often in statement-based questions. The MPC, inflation targeting and RBI autonomy are strong Mains themes on the economy and institutions.