In the previous week, the reserves had fallen by USD 1.159 billion to USD 398.761 billion.
The foreign currency assets (FCAs), a major component of the overall reserves, fell by USD 547.8 million to USD 374.320 billion, the data showed.
Expressed in US dollar terms, FCAs include effect of appreciation or depreciation of non-US currencies such as the euro, the pound and the yen held in the reserves.
The special drawing rights with the International Monetary Fund (IMF) rose by USD 1.4 million to USD 1.491 billion.
The country's reserve position with the IMF increased by USD 2.2 million to USD 2.260 billion, the apex bank said.