Munaf Kalia is at the centre of a nationwide investigation
Two directors of a Pakistani currency company have been remanded in custody over allegations that they illegally transferred millions of dollars abroad.
The two directors of Khanani and Kalia International (KKI), one of the biggest foreign exchange companies, were arrested on Saturday.
Their company's license to trade has also been suspended for a month and its offices have been searched.
Pakistan's economy is in crisis and the IMF is preparing a rescue package.