MUMBAI: India 's forex reserves increased by $1.994 billion to $419.992 billion for the week ended May 24 on swelling up of the core currency assets, the Reserve Bank said Friday.The overall reserves had declined by $2.05 billion to $417.99 billion in the previous reporting week. The reserves had touched an all-time high of $426 billion in April 2018. In the reporting week, foreign currency assets, which are a major component of the overall reserves increased $1.991 billion to $392.188 billion, the RBI said.Expressed in dollar terms, foreign currency assets include the effect of appreciation or depreciation of non-US units like the euro, pound and the yen held in the reserves.Gold reserves remained unchanged at $23.021 billion, according to data.The special drawing rights with the International Monetary Fund increased $0.8 million to $1.445 billion.The country's reserve position with the fund also increased $2 million to $3.336 billion.