Pakistans foreign exchange reserves have registered a decline of 23.7 million dollars in one week, report said quoting spokesman State Bank of Pakistan. SBP Spokesman Syed Wasimuddin said that the liquid foreign exchange reserves of the country slipped by 23.7 million dollars to 16.96 billion dollars during the week ended October 18. According to breakup, SBP holds 13.14 billion dollars while the rest 3.82 billion dollars are held by commercial banks.