The country's foreign exchange reserves declined by $942 million to $393.523 billion in the week to October 19 on account of a fall in foreign currency assets, according to RBI data.
In the previous week, the reserves had seen a steep fall of $5.14 billion to reach $394.465 billion.
In the reporting week, foreign currency assets, a major component of overall reserves, fell by $922.4 million to $369.076 billion, as per the RBI data.
Expressed in US dollars, foreign currency assets include the effect of appreciation or depreciation of the non-US currencies such as the euro, the pound and the yen held in the reserves.
Forex reserves had touched a record high of $426.028 billion in the week to April 13, 2018. Since then, the forex kitty has been on a slide and is now down by over $31 billion.
Gold reserves remained unchanged at $20.522 billion in the reporting week, the data showed.
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The special drawing rights with the International Monetary Fund (IMF) was down by $7.3 million to $1.465 billion.
The country's reserve position with the IMF also declined by $12.3 million to $2.495 billion, the apex bank said.