Reserve Bank of India
The custodian of the nation's foreign exchange reserves is the Reserve Bank of India (RBI). The RBI is India's central banking institution, which manages the country's monetary policy and foreign exchange reserves to ensure financial stability and economic growth.

Role of Reserve Bank of India
- Management: The RBI is responsible for managing India's foreign exchange reserves, which include foreign currencies, gold, and other assets.
- Regulation: The RBI regulates the flow of foreign exchange in and out of the country to maintain stability in the exchange rate and prevent excessive fluctuations.
- Intervention: The RBI intervenes in the foreign exchange market by buying or selling foreign currencies to control the value of the Indian rupee and protect the country's economic interests.
- Reporting: The RBI regularly reports on the status of India's foreign exchange reserves, including the total amount, composition, and performance over time.
- Policy Formulation: The RBI formulates and implements policies related to the management of foreign exchange reserves to support the country's economic objectives and financial stability.

Significance of Foreign Exchange Reserves
Foreign exchange reserves play a crucial role in supporting the economy by:
- Stabilizing the currency: Reserves help maintain a stable exchange rate, which is essential for international trade and investment.
- Meeting external obligations: Reserves provide a buffer to meet external liabilities and ensure financial stability during times of economic uncertainty.
- Building confidence: Adequate reserves signal to investors and creditors that the country is financially secure and able to meet its obligations.
- Supporting economic growth: Reserves can be used to fund infrastructure projects, import essential goods, and support economic development initiatives.
In conclusion, the Reserve Bank of India plays a critical role as the custodian of the nation's foreign exchange reserves, managing these assets to promote economic stability and growth in India.

Option c RBI ...I guess