(a) Department of Consumer Affairs 

(b) Expenditure Management Commission 

(c) Financial Stability and Development Council 

(d) Reserve Bank of India 

Ans: d

Explanation:

A core function of the Reserve Bank has been the formulation and implementation of monetary policy with the objectives of maintaining price stability and ensuring adequate flow of credit to productive sectors of the economy. To these was added, in more recent times, the goal of maintaining financial stability. 

The objective of maintaining financial stability has spanned its role from external account management to oversight of banks and non-banking financial institutions as also of money, government securities and foreign exchange markets.   

Hence, option d is correct.

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