India forex reserves surge by $2.56 bn to $644.15 bn

India's foreign exchange reserves surged by $2.56 billion to $644.15 billion during the week ended May 10, the latest data released by the RBI showed on Friday. This is the second consecutive week during which the country's forex reserve has expanded after registering a $3.66 billion rise to $641.59 billion for the week ended on May 3.