MUMBAI, March 26 -- The Mumbai unit of the Enforcement Directorate (ED) provisionally attached assets worth Rs.36.21 crore as part of its money-laundering probe into the case against Amber Dalal, the proprietor of the firm M/s Ritz Consultancy Services, and others. Dalal is accused of collecting money from investors through a Ponzi scheme and absconding after giving initial returns....