India's forex reserves decreased by $1.14 billion to $640.87 billion for the week ended on November 5 on a fall in currency and gold assets, the Reserve Bank said on Friday.
The overall reserves had increased by $1.92 billion to $642.02 billion for the previous reporting week.
Foreign currency assets, a major part of the overall reserves, decreased by $881 million to $577.58 billion for the reporting week, the RBI said in the weekly data.
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.
Value of the gold reserves decreased by $234 million to $38.78 billion in the reporting week, the data showed.
The special drawing rights (SDRs) with the International Monetary Fund (IMF) decreased by $17 million to $19.29 billion.
The country's reserve position with the IMF decreased by $14 million to $5.23 billion in the reporting week, the data showed.
Photograph: Nguyen Huy Kham/Reuters