The correct answer is Only M1 and M2. Explanation & Key Takeaways: • M1 and M2 are classified as ‘narrow money’ according to the Reserve Bank of India’s alternative measures of money supply. • M1 includes the most liquid forms of money, such as currency held by the public, demand deposits with the banking system, and other deposits with the RBI. • M2 includes all the components of M1 along with savings deposits with post office savings banks. It is slightly broader than M1 but still considered part of narrow money. • M3, referred to as broad money, includes M1 along with time deposits with the banking system. It goes beyond narrow money classifications. • M4 includes M3 along with all deposits with post office savings banks, excluding National Savings Certificates. It is the broadest measure of money supply and does not fall under narrow money. • Hence, only M1 and M2 are considered narrow money as they represent the most liquid and accessible forms of money in the economy. Related Concepts: • Money Supply Measures: • The Reserve Bank of India (RBI) uses various measures of money supply to understand liquidity in the economy. These measures are classified into M1, M2, M3, and M4. • These classifications help policymakers and economists analyze monetary trends and formulate policies accordingly. • Components of M1: • Currency with the public: Notes and coins in circulation outside the banking system. • Demand deposits: Deposits that can be withdrawn at any time, such as current and savings accounts in banks. • Other deposits: Deposits held by specialized institutions like RBI. • Components of M2: • Includes all components of M1. • Incorporates savings deposits with post office savings banks, making it slightly broader than M1. • Broader Money Measures: • M3: Includes M1 and time deposits with banks. It is referred to as broad money. • M4: Includes M3 along with total deposits with post office savings banks (excluding National Savings Certificates). • Importance of Narrow Money: • Narrow money (M1 and M2) is essential for analyzing the short-term liquidity in the economy. • It provides insights into the immediate purchasing power of the public and the banking system. Important Notes: • Historical Context: The concept of money supply measures was developed to understand the various forms of money in circulation and their impact on economic activities. • RBI's Role: The Reserve Bank of India plays a pivotal role in defining and monitoring the measures of money supply to ensure economic stability. • Policy Implications: Narrow money is often used by policymakers to determine the immediate liquidity available in the economy and implement corrective measures if required. • Global Comparisons: Other central banks globally, such as the Federal Reserve in the US, have similar classifications for money supply, although the terms and measures may vary slightly.