Q. Consider the following: 

1. M1
2. M2
3. M3
4. M4

The Post office deposits are included in which of the above?
Answer: Only M2 & M4
Notes: In the context of money supply in India, M1 includes currency in circulation and demand deposits, M2 includes M1 plus savings deposits, M3 includes M1 plus time deposits, and M4 includes M3 plus all post office deposits. Therefore, post office deposits are included in M4, making "Only M2 & M4" the correct answer. M4 is the broadest measure of money supply, encompassing all forms of money, including those held in post offices.