India's foreign exchange reserves went up by $4.88 billion to reach record high of $728.5 billion in the week ending February 27, latest data released by the Reserve Bank of India (RBI) showed on Friday. For the week ended February 20, foreign currency assets, a major component of the reserves, increased by $561 million to $573.13 billion, the data released by the central bank showed. Expressed in dollar terms, the foreign currency assets include the effects of appreciation or depreciation of non-US units, such as the euro, pound, and yen, held in the foreign exchange reserves.