The reserves had risen by $204.9 million to $295.71 billion in the previous reporting week.
Foreign currency assets (FCAs), which form a major part of the overall reserves, dipped $1.681 billion to $266.953 billion in the week under review, the Reserve Bank said.
FCAs, expressed in dollar terms, include the effect of appreciation or depreciation of the non-US currencies such as the euro, pound and yen, held in reserves.
During the week under review, the gold reserves fell by $878.6 milion to $19.724 billion.
The special drawing rights fell by $27.8 million to $4.434 billion, while India's reserve position with the IMF declined $12.5 million to $1.997 billion.
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