India's forex reserves increased by $6.596 billion to reach $665.396 billion in the week ended March 28, according to the RBI.
Foreign currency assets, the largest part of the reserves, rose by $6.158 billion to $565.014 billion.
Gold reserves grew by $519 million, reaching $77.793 billion.
Special Drawing Rights dropped by $65 million to $18.176 billion, and India's IMF reserve position decreased by $16 million to $4.413 billion during the week.