Rana Kapoor, the founder of crisis-hit Yes Bank, has been arrested by the Enforcement Directorate after two days of questioning in an alleged bank scam worth Rs 4,300 crore. He will be in their custody till March 11. The Reserve Bank of India (RBI) has capped transactions for every Yes Bank user at Rs 50,000 for a month, till April 3, after the private bank couldn't service its debts following defaults by big firms to whom it had loaned large sums.