The country's foreign exchange reserves swelled by $3.623 billion to a record high of $538.191 billion in the week ended August 7, RBI data showed on Friday.
In the previous week ended July 31, the reserves had increased by $11.938 billion to reach $534.568 billion.
The reserves had crossed the half-a-trillion mark for the first time in the week ended June 5, 2020, after it had jumped by $8.223 billion to $501.703 billion.
In the week ended August 7, the forex kitty rose on the back of gains in foreign currency assets (FCAs), a major component of the overall reserves.