Foreign currency assets, a major component of the overall reserves, declined by $3.208 billion to $395.276 billion.
The country's foreign exchange reserves fell by $3.216 billion to $420.366 billion in the week to April 27 due to a fall in foreign currency assets, RBI data showed on Friday.
In the previous week, the reserves had declined by $2.499 billion to $423.582 billion.
The reserves had touched a record high of $426.028 billion in the week to April 13.
It had crossed the $400-billion mark for the first time in the week to September 8, 2017, but has since been fluctuating.
In the reporting week, the foreign currency assets, a major component of the overall reserves, declined by $3.208 billion to $395.276 billion.
Expressed in the US dollar terms, the 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.
After remaining stable for past few weeks, gold reserves increased by $26.6 million to $21.510 billion in the reporting week, the Reserve Bank of India (RBI) said.
The special drawing rights with the International Monetary Fund (IMF) dipped by $14.6 million to $1.523 billion.
The country's reserve position with the IMF also declined by $19.7 million to $2.055 billion, the apex bank said.
Photograph: Choi Bu-Seok/Reuters
