India's foreign exchange reserves rose to $141.55 billion on April 15, from $141.46 billion a week earlier, the Reserve Bank of India said in its weekly statistical supplement on Saturday. The central bank said foreign currency assets expressed in US dollar terms included the effect of appreciation or depreciation of other currencies held in its reserves such as the euro, pound sterling and yen. The foreign exchange reserves include India's Reserve Tranche Position (RTP) in the International Monetary Fund, the central bank said.