The country's foreign exchange reserves declined by $4.53 billion to stand at $629.75 billion in the week ended January 28, RBI data showed on Friday.
In the previous week ended January 21, the reserves had decreased by $678 million to $634.29 billion.
It touched a lifetime high of $642.45 billion in the week ended September 3, 2021.
During the reporting week ended January 28, the decrease in the reserves was on account of a fall in the foreign currency assets (FCAs), a major component of the overall reserves, and gold reserves.
FCAs tumbled by $3.50 billion to $566.08 billion, as per weekly data by the Reserve Bank of India (RBI).
Expressed in dollar terms, the foreign currency assets include the effect of appreciation or depreciation of non-US units like the euro, pound and yen held in the foreign exchange reserves.
Gold reserves dipped by $844 million to $39.49 billion in the reporting week.
The special drawing rights (SDRs) with the International Monetary Fund (IMF) declined by $141 million to $19.01 billion.
The country's reserve position with the IMF also dipped by $42 million to $5.17 billion, the data showed.
Photograph: Mohamed Abd El Ghany/Reuters