The correct answer is (c). The Foreign Exchange Reserve of India on 31 December, 2021 was 693.4 billion U.S. Dollar. This is an increase of 12.4% from the previous year. The increase was mainly due to higher foreign direct investment and portfolio investment inflows. The Foreign Exchange Reserve is a stock of foreign currencies held by the Reserve Bank of India. It is used to meet the country’s external obligations, such as payments for imports, debt servicing, and remittances. The Foreign Exchange Reserve also helps to stabilize the exchange rate of the Indian rupee.
Option (a) is incorrect because the Foreign Exchange Reserve of India on 31 December, 2021 was 693.4 billion U.S. Dollar, not 534.2 billion U.S. Dollar.
Option (b) is incorrect because the Foreign Exchange Reserve of India on 31 December, 2021 was 693.4 billion U.S. Dollar, not 566.4 billion U.S. Dollar.
Option (d) is incorrect because the Foreign Exchange Reserve of India on 31 December, 2021 was 693.4 billion U.S. Dollar, not 634.0 billion U.S. Dollar.