In the previous week, the total reserves had risen by USD 1.97 billion to USD 313.83 billion.
Foreign currency assets (FCAs), a major constituent of the overall reserves, increased by USD 1.266 billion to USD 287.816 billion in the period, RBI said.
Foreign currency assets, expressed in dollar terms, include the effect of appreciation/depreciation of the non-US currencies such as the euro, pound and yen held in reserves.
The gold reserves remained unchanged at USD 20.965 billion, as per the RBI data.